GH-46739: [C++] Fix Float16 signed zero/NaN equality comparisons - #46973

Merged

pitrou merged 15 commits into

apache:mainfrom

benibus:GH-46739-incorrect-float16-compare

Sep 4, 2025

Commits on Sep 4, 2025

Add example tests mentioned in issue
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6195178
Fix Float16 zero/NaN comparisons
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93b8a0a
Exclude Float16 NaNs from being randomly generated
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187877b
Update scalar/array tests
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3ee9649
Move/revise GetFloat test helper
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42cc849
Enable constructing HalfFloatScalar from Float16
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7a730c5
Test HalfFloat in TestNumericScalar
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08d45d1
Fix params for RandomArrayGenerator::Float16
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8c8ad06
Use is_half_float_type
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e3a3688
Fix MSVC warnings
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109fe8c
Improve random HalfFloat generation
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4e69d1c
Address additional review points
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2e53f4a
Remove RealToCType
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d038d96
Replace NumericHelper
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fb60726
Remove leftover debug logs
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116b975