all: migrate to math/rand/v2#801

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Merged
kortschak merged 4 commits into from
Mar 25, 2025
+49 −67
Merged

all: migrate to math/rand/v2 #801

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463db7c
all: migrate to math/rand/v2
Juneezee Mar 23, 2025
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Update golden images for ARM64
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1 change: 0 additions & 1 deletion go.mod
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
codeberg.org/go-pdf/fpdf v0.10.0
git.sr.ht/~sbinet/gg v0.6.0
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
golang.org/x/image v0.25.0
gonum.org/v1/gonum v0.16.0
rsc.io/pdf v0.1.1
Expand Down
2 changes: 0 additions & 2 deletions go.sum
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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down
5 changes: 2 additions & 3 deletions gob/gob_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
"bytes"
"encoding/gob"
"image/color"
"math/rand/v2"
"os"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/plot"
_ "gonum.org/v1/plot/gob"
"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// Get some random points
n := 15
Expand Down
7 changes: 3 additions & 4 deletions palette/moreland/luminance_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
"fmt"
"image/color"
"math/rand/v2"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
b.Fatal(err)
}
p.SetMax(1)
rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.At(rand.Float64()); err != nil {
if _, err := p.At(rng.Float64()); err != nil {
b.Fatal(err)
}
}
Expand Down
8 changes: 3 additions & 5 deletions palette/moreland/smooth_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
"image/color"
"math"
"math/rand/v2"
"strings"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

start := msh{M: 80, S: 1.08, H: -1.1}
end := msh{M: 80, S: 1.08, H: 0.5}
p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
p := SmoothBlueRed()
p.SetMax(1.0000000001)
rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
for i := 0; i < b.N; i++ {
if _, err := p.At(rand.Float64()); err != nil {
if _, err := p.At(rng.Float64()); err != nil {
b.Fatal(err)
}
}
Expand Down
5 changes: 2 additions & 3 deletions plotter/barchart_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
"image/color"
"log"
"math/rand/v2"
"runtime"

"golang.org/x/exp/rand"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// Create random data points between -1 and 1.
const n = 6
Expand Down
5 changes: 2 additions & 3 deletions plotter/boxplot_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
"fmt"
"image/color"
"log"

"golang.org/x/exp/rand"
"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// Create the sample data.
const n = 100
Expand Down
5 changes: 2 additions & 3 deletions plotter/bubbles_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
"image/color"
"log"
"math"

"golang.org/x/exp/rand"
"math/rand/v2"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// randomTriples returns some random but correlated x, y, z triples
randomTriples := func(n int) plotter.XYZs {
Expand Down
5 changes: 2 additions & 3 deletions plotter/contour_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
"log"
"math"
"math/rand/v2"
"runtime"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/gonum/mat"
"gonum.org/v1/plot"
"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
rnd := rand.New(rand.NewSource(1234))
rnd := rand.New(rand.NewPCG(1234, 1234))

const stddev = 2
data := make([]float64, 6400)
Expand Down
7 changes: 3 additions & 4 deletions plotter/contour_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
"flag"
"fmt"
"math"
"math/rand/v2"
"reflect"
"slices"
"sort"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/gonum/mat"
"gonum.org/v1/plot"
"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

if !*visualDebug {
return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

data := make([]float64, 6400)
for i := range data {
Expand Down
5 changes: 2 additions & 3 deletions plotter/errbars_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
"log"

"golang.org/x/exp/rand"
"math/rand/v2"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

randomError := func(n int) plotter.Errors {
err := make(plotter.Errors, n)
Expand Down
8 changes: 4 additions & 4 deletions plotter/filledLine_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
"image/color"
"log"

"golang.org/x/exp/rand"
"math/rand/v2"
"runtime"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// randomPoints returns some random x, y points
// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

p.Add(filled)

err = p.Save(200, 200, "testdata/filledLine.png")
err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
if err != nil {
log.Panic(err)
}
Expand Down
12 changes: 6 additions & 6 deletions plotter/filledLine_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
"image/color"
"log"
"math/rand/v2"
"runtime"
"testing"

"golang.org/x/exp/rand"

"gonum.org/v1/plot"
"gonum.org/v1/plot/cmpimg"
"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// randomPoints returns some random x, y points
// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

p.Add(filled)
// testing clipping
p.X.Min, p.X.Max = 1, 3
p.Y.Max = -1
p.X.Min, p.X.Max = 1, 3.5
p.Y.Max = 4

err = p.Save(200, 200, "testdata/clippedFilledLine.png")
if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}
5 changes: 2 additions & 3 deletions plotter/histogram_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
"image/color"
"log"
"math"

"golang.org/x/exp/rand"
"math/rand/v2"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// stdNorm returns the probability of drawing a
// value from a standard normal distribution.
Expand Down
5 changes: 2 additions & 3 deletions plotter/quartile_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
"log"

"golang.org/x/exp/rand"
"math/rand/v2"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// Create the example data.
n := 100
Expand Down
8 changes: 4 additions & 4 deletions plotter/scatterColor_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
"fmt"
"log"
"math"
"math/rand/v2"
"os"

"golang.org/x/exp/rand"

"gonum.org/v1/plot"
"gonum.org/v1/plot/palette/moreland"
"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// randomTriples returns some random but correlated x, y, z triples
randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
d := (z - minZ) / (maxZ - minZ)
rng := maxZ - minZ
k := d*rng + minZ
c, err := colors.At(k)
// Clamp k to avoid potential overflow due to floating point error.
c, err := colors.At(min(k, colors.Max()))
if err != nil {
log.Panic(err)
}
Expand Down
5 changes: 2 additions & 3 deletions plotter/scatter_example_test.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
"image/color"
"log"

"golang.org/x/exp/rand"
"math/rand/v2"

"gonum.org/v1/plot"
"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
rnd := rand.New(rand.NewSource(1))
rnd := rand.New(rand.NewPCG(1, 1))

// randomPoints returns some random x, y points
// with some interesting kind of trend.
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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all: migrate to math/rand/v2#801

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to your account

 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

 Merged


all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


Juneezee Mar 23, 2025
20fe218

Update golden images for ARM64


Juneezee Mar 23, 2025
ef323c5

Apply code suggestion


Juneezee Mar 24, 2025
31197f7

Apply code suggestions


Juneezee Mar 25, 2025

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1 change: 0 additions & 1 deletion
go.mod

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

View file


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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

 Merged


all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


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1 change: 0 additions & 1 deletion
go.mod

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

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all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


Juneezee Mar 23, 2025
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Update golden images for ARM64


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1 change: 0 additions & 1 deletion
go.mod

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

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all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


Juneezee Mar 23, 2025
20fe218

Update golden images for ARM64


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ef323c5

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1 change: 0 additions & 1 deletion
go.mod

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
all: migrate to math/rand/v2#801

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to your account

 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

 Merged


all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


Juneezee Mar 23, 2025
20fe218

Update golden images for ARM64


Juneezee Mar 23, 2025
ef323c5

Apply code suggestion


Juneezee Mar 24, 2025
31197f7

Apply code suggestions


Juneezee Mar 25, 2025

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1 change: 0 additions & 1 deletion
go.mod

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

 Merged


all: migrate to math/rand/v2
#801
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all: migrate to math/rand/v2


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Update golden images for ARM64


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1 change: 0 additions & 1 deletion
go.mod

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
Expand Down

5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
Expand Down

8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
Expand Down

5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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 Merged

kortschak
merged 4 commits into

from

Mar 25, 2025

+49

−67

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all: migrate to math/rand/v2
#801
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463db7c

all: migrate to math/rand/v2


Juneezee Mar 23, 2025
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Update golden images for ARM64


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1 change: 0 additions & 1 deletion
go.mod

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,6 @@ require (
	codeberg.org/go-pdf/fpdf v0.10.0
	git.sr.ht/~sbinet/gg v0.6.0
	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c
	golang.org/x/image v0.25.0
	gonum.org/v1/gonum v0.16.0
	rsc.io/pdf v0.1.1
Expand Down

2 changes: 0 additions & 2 deletions
go.sum

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,8 +28,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
Expand Down

5 changes: 2 additions & 3 deletions
gob/gob_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,10 @@ import (
	"bytes"
	"encoding/gob"
	"image/color"
	"math/rand/v2"
	"os"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	_ "gonum.org/v1/plot/gob"
	"gonum.org/v1/plot/plotter"
Expand All@@ -25,7 +24,7 @@ func init() {
}

func TestPersistency(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Get some random points
	n := 15
Expand Down

7 changes: 3 additions & 4 deletions
palette/moreland/luminance_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package moreland
import (
	"fmt"
	"image/color"
	"math/rand/v2"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/floats/scalar"
)

Expand DownExpand Up@@ -151,10 +150,10 @@ func BenchmarkLuminance_At(b *testing.B) {
 b.Fatal(err)
 }
 p.SetMax(1)
 rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
 b.Run(fmt.Sprintf("%d controls", n), func(b *testing.B) {
 for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
 }
Expand Down

8 changes: 3 additions & 5 deletions
palette/moreland/smooth_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package moreland
import (
	"image/color"
	"math"
	"math/rand/v2"
	"strings"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot/palette"
)

Expand DownExpand Up@@ -177,7 +176,6 @@ func testRGB(t *testing.T, i int, label string, c1 color.Color, c2 [3]float64) {
}

func TestSmoothDiverging_At(t *testing.T) {

	start := msh{M: 80, S: 1.08, H: -1.1}
	end := msh{M: 80, S: 1.08, H: 0.5}
	p := newSmoothDiverging(start, end, 88)
Expand All@@ -199,9 +197,9 @@ func TestSmoothDiverging_At(t *testing.T) {
func BenchmarkSmoothDiverging_At(b *testing.B) {
	p := SmoothBlueRed()
	p.SetMax(1.0000000001)
	rand.Seed(1)
rng := rand.New(rand.NewPCG(1, 1))
	for i := 0; i < b.N; i++ {
 if _, err := p.At(rand.Float64()); err != nil {
 if _, err := p.At(rng.Float64()); err != nil {
 b.Fatal(err)
 }
	}
Expand Down

5 changes: 2 additions & 3 deletions
plotter/barchart_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,10 +7,9 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
Expand DownExpand Up@@ -158,7 +157,7 @@ func ExampleBarChart() {

// This example shows a bar chart with both positive and negative values.
func ExampleBarChart_positiveNegative() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create random data points between -1 and 1.
	const n = 6
Expand Down

5 changes: 2 additions & 3 deletions
plotter/boxplot_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,16 +8,15 @@ import (
	"fmt"
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
Comment thread
Juneezee marked this conversation as resolved.


	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleBoxPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the sample data.
	const n = 100
Expand Down

5 changes: 2 additions & 3 deletions
plotter/bubbles_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -21,7 +20,7 @@ import (
// Each point is plotted with a different radius size depending on
// external criteria.
func ExampleScatter_bubbles() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/contour_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,11 +7,10 @@ package plotter_test
import (
	"log"
	"math"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
Expand All@@ -21,7 +20,7 @@ import (
)

func ExampleContour() {
	rnd := rand.New(rand.NewSource(1234))
	rnd := rand.New(rand.NewPCG(1234, 1234))

	const stddev = 2
	data := make([]float64, 6400)
Expand Down

7 changes: 3 additions & 4 deletions
plotter/contour_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,13 +8,12 @@ import (
	"flag"
	"fmt"
	"math"
	"math/rand/v2"
	"reflect"
	"slices"
	"sort"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/gonum/mat"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette"
Expand DownExpand Up@@ -74,7 +73,7 @@ func TestHeatMapWithContour(t *testing.T) {
}

func TestComplexContours(t *testing.T) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	if !*visualDebug {
 return
Expand DownExpand Up@@ -121,7 +120,7 @@ func BenchmarkComplexContour32(b *testing.B) { complexContourBench(32, b) }
var cp map[float64][]vg.Path

func complexContourBench(noise float64, b *testing.B) {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	data := make([]float64, 6400)
	for i := range data {
Expand Down

5 changes: 2 additions & 3 deletions
plotter/errbars_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -6,8 +6,7 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -16,7 +15,7 @@ import (

// ExampleErrors draws points and error bars.
func ExampleErrors() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	randomError := func(n int) plotter.Errors {
 err := make(plotter.Errors, n)
Expand Down

8 changes: 4 additions & 4 deletions
plotter/filledLine_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,15 +7,15 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"
	"runtime"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
)

func ExampleLine_filledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -46,7 +46,7 @@ func ExampleLine_filledLine() {

	p.Add(filled)

	err = p.Save(200, 200, "testdata/filledLine.png")
	err = p.Save(200, 200, "testdata/filledLine_"+runtime.GOARCH+".png")
	if err != nil {
 log.Panic(err)
	}
Expand Down

12 changes: 6 additions & 6 deletions
plotter/filledLine_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -7,18 +7,18 @@ package plotter_test
import (
	"image/color"
	"log"
	"math/rand/v2"
	"runtime"
	"testing"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/cmpimg"
	"gonum.org/v1/plot/plotter"
)

// See https://github.com/gonum/plot/issues/488
func clippedFilledLine() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
Expand DownExpand Up@@ -49,8 +49,8 @@ func clippedFilledLine() {

	p.Add(filled)
	// testing clipping
	p.X.Min, p.X.Max = 1, 3
	p.Y.Max = -1
	p.X.Min, p.X.Max = 1, 3.5
	p.Y.Max = 4

	err = p.Save(200, 200, "testdata/clippedFilledLine.png")
	if err != nil {
Expand All@@ -59,6 +59,6 @@ func clippedFilledLine() {
}

func TestFilledLine(t *testing.T) {
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine.png")
	cmpimg.CheckPlot(ExampleLine_filledLine, t, "filledLine_"+runtime.GOARCH+".png")
	cmpimg.CheckPlot(clippedFilledLine, t, "clippedFilledLine.png")
}

5 changes: 2 additions & 3 deletions
plotter/histogram_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,8 +8,7 @@ import (
	"image/color"
	"log"
	"math"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -18,7 +17,7 @@ import (

// An example of making a histogram.
func ExampleHistogram() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// stdNorm returns the probability of drawing a
	// value from a standard normal distribution.
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5 changes: 2 additions & 3 deletions
plotter/quartile_example_test.go

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Expand Up@@ -6,16 +6,15 @@ package plotter_test

import (
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
)

func ExampleQuartPlot() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// Create the example data.
	n := 100
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8 changes: 4 additions & 4 deletions
plotter/scatterColor_example_test.go

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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,10 +8,9 @@ import (
	"fmt"
	"log"
	"math"
	"math/rand/v2"
	"os"

	"golang.org/x/exp/rand"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/palette/moreland"
	"gonum.org/v1/plot/plotter"
Expand All@@ -24,7 +23,7 @@ import (
// Each point is plotted with a different color depending on
// external criteria.
func ExampleScatter_color() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomTriples returns some random but correlated x, y, z triples
	randomTriples := func(n int) plotter.XYZs {
Expand DownExpand Up@@ -76,7 +75,8 @@ func ExampleScatter_color() {
 d := (z - minZ) / (maxZ - minZ)
 rng := maxZ - minZ
 k := d*rng + minZ
 c, err := colors.At(k)
 // Clamp k to avoid potential overflow due to floating point error.
 c, err := colors.At(min(k, colors.Max()))
 if err != nil {
 log.Panic(err)
 }
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5 changes: 2 additions & 3 deletions
plotter/scatter_example_test.go

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Expand Up@@ -7,8 +7,7 @@ package plotter_test
import (
	"image/color"
	"log"

	"golang.org/x/exp/rand"
	"math/rand/v2"

	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
Expand All@@ -19,7 +18,7 @@ import (
// ExampleScatter draws some scatter points, a line,
// and a line with points.
func ExampleScatter() {
	rnd := rand.New(rand.NewSource(1))
	rnd := rand.New(rand.NewPCG(1, 1))

	// randomPoints returns some random x, y points
	// with some interesting kind of trend.
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