Uh oh!
There was an error while loading. Please reload this page.
- Notifications
You must be signed in to change notification settings - Fork 14
Expand file tree
/
Copy pathTile.cpp
More file actions
Latest commit
130 lines (111 loc) · 3.81 KB
/
Copy pathTile.cpp
File metadata and controls
130 lines (111 loc) · 3.81 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
// System
#include<assert.h>
#include<string.h>
#include<limits>
// Local
#include"BinaryIO.h"
#include"utils.h"
// Self
#include"Tile.h"
voidTile::to_binary(std::string &dest) const {
dest.resize(binary_length());
BinaryWriter writer((unsignedchar*)&dest[0], (unsignedchar*)&dest[dest.length()]);
writer.write(header);
writer.write(double_samples);
writer.write(string_samples);
writer.write(ranges);
}
size_tTile::binary_length() const {
returnBinaryWriter::write_length(header)
+ BinaryWriter::write_length(double_samples)
+ BinaryWriter::write_length(string_samples)
+ BinaryWriter::write_length(ranges);
}
voidTile::from_binary(const std::string &src) {
BinaryReader reader((constunsignedchar*)&src[0], (constunsignedchar*)&src[src.length()]);
reader.read(header);
reader.read(double_samples);
if (!reader.eof()) {
reader.read(string_samples);
} else {
string_samples.clear();
}
if (!reader.eof()) {
reader.read(ranges);
} else {
ranges.clear();
}
}
template <classT>
voidinsert_samples_helper(const DataSample<T> *begin, const DataSample<T> *end, std::vector<DataSample<T> > &dest)
{
// Assert sortedness
for (int i = 1; i < end-begin; i++) assert(begin[i-1].time <= begin[i].time);
std::vector<DataSample<T> > tmp(dest.size() + (end-begin));
DataSample<T> *begin2 = &dest[0];
DataSample<T> *end2 = &dest[dest.size()];
DataSample<T> *out = &tmp[0];
// Merge
while (!(begin == end && begin2 == end2)) {
if (begin == end) *out++ = *begin2++;
elseif (begin2 == end2 || begin->time < begin2->time) {
// Next sample comes from new source. Skip if deletion value
if (begin->is_deletion_value()) {
begin++;
} else {
*out++ = *begin++;
}
} elseif (begin2->time < begin->time) *out++ = *begin2++;
elseif (begin->is_deletion_value()) {
// Delete value
begin++;
begin2++;
} else {
// Duplicate entry. Overwrite
*out++ = *begin++;
begin2++;
}
}
dest.resize(out - &tmp[0]);
std::copy(&tmp[0], out, &dest[0]);
}
voidTile::insert_samples(const DataSample<double> *begin, const DataSample<double> *end) {
insert_samples_helper(begin, end, double_samples);
for (const DataSample<double> *s = begin; s < end; s++) {
// TODO(rsargent): if we're deleting a sample with NaN, we should recalc ranges
if (!isnan(s->value)) {
ranges.times.add(s->time);
ranges.double_samples.add(s->value);
}
}
}
voidTile::insert_samples(const DataSample<std::string> *begin, const DataSample<std::string> *end) {
insert_samples_helper(begin, end, string_samples);
for (const DataSample<std::string> *s = begin; s < end; s++) {
ranges.times.add(s->time);
}
}
doubleTile::first_sample_time() const
{
double ret = std::numeric_limits<double>::max();
if (double_samples.size()) ret = std::min(ret, double_samples[0].time);
if (string_samples.size()) ret = std::min(ret, string_samples[0].time);
return ret;
}
doubleTile::last_sample_time() const
{
double ret = -std::numeric_limits<double>::max();
if (double_samples.size()) ret = std::max(ret, double_samples.back().time);
if (string_samples.size()) ret = std::max(ret, string_samples.back().time);
return ret;
}
std::string Tile::summary() const
{
double doubles_weight = 0, strings_weight = 0;
for (unsigned i = 0; i < double_samples.size(); i++) doubles_weight += double_samples[i].weight;
for (unsigned i = 0; i < string_samples.size(); i++) strings_weight += string_samples[i].weight;
returnstring_printf("[ndoubles %zd weight %f; nstrings %zd weight %f; ranges times=%s doubles=%s]",
double_samples.size(), doubles_weight,
string_samples.size(), strings_weight,
ranges.times.to_string("%.6f").c_str(), ranges.double_samples.to_string().c_str());
}