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BUG: Fix single to half-precision conversion on PPC64/VSX3 #25219

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Merged
merged 1 commit into from
Nov 21, 2023
Merged

BUG: Fix single to half-precision conversion on PPC64/VSX3 #25219

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4 changes: 4 additions & 0 deletions numpy/core/src/common/half.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,11 @@ class Half final {
__vector float vf32 = vec_splats(f);
__vector unsigned short vf16;
__asm__ __volatile__ ("xvcvsphp %x0,%x1" : "=wa" (vf16) : "wa" (vf32));
#ifdef __BIG_ENDIAN__
bits_ = vec_extract(vf16, 1);
#else
bits_ = vec_extract(vf16, 0);
#endif
#else
bits_ = half_private::FromFloatBits(BitCast<uint32_t>(f));
#endif
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