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| author | Piotr Byszewski <piotr.byszewski@mobica.com> | 2023-04-21 11:47:30 +0200 |
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| committer | Piotr Byszewski <piotr.byszewski@mobica.com> | 2023-04-21 11:47:30 +0200 |
| commit | 4bc032d6e16609ff11f3447e20b0c895d231a86a (patch) | |
| tree | 5bc7b7ef8dbe37f7489ab7b112dd33db42212eb1 /framework | |
| parent | 1dbd69823db8dd1058994fbc904527d7a0e7d681 (diff) | |
| parent | e46697b72bf6e3966d233e226a20139a08984299 (diff) | |
| download | deqp-4bc032d6e16609ff11f3447e20b0c895d231a86a.tar.gz | |
Merge vk-gl-cts/vulkan-cts-1.3.1 into vk-gl-cts/vulkan-cts-1.3.2
Change-Id: Ic89a637988dbb5a5fa4e06689b4e3c23f5eb2d3d
Diffstat (limited to 'framework')
| -rw-r--r-- | framework/delibs/debase/deFloat16.h | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/framework/delibs/debase/deFloat16.h b/framework/delibs/debase/deFloat16.h index 4b25c842b..1857ef779 100644 --- a/framework/delibs/debase/deFloat16.h +++ b/framework/delibs/debase/deFloat16.h @@ -60,14 +60,41 @@ float deFloat16To32 (deFloat16 val16); *//*--------------------------------------------------------------------*/ double deFloat16To64 (deFloat16 val16); +DE_INLINE deUint16 deHalfExponent(deFloat16 x) +{ + return (deUint16)((x & 0x7c00u) >> 10); +} + +DE_INLINE deUint16 deHalfMantissa(deFloat16 x) +{ + return (deUint16)(x & 0x03ffu); +} + +DE_INLINE deUint16 deHalfHighestMantissaBit(deFloat16 x) +{ + return (deUint16)(x & (1u << 9)); +} + +DE_INLINE deUint16 deHalfSign(deFloat16 x) +{ + return (deUint16)(x >> 15); +} + +static const deUint16 deHalfMaxExponent = 0x1f; + +DE_INLINE deBool deHalfIsZero(deFloat16 x) +{ + return deHalfExponent(x) == 0 && deHalfMantissa(x) == 0; +} + DE_INLINE deBool deHalfIsPositiveZero(deFloat16 x) { - return deFloat16To32(x) == 0 && (x >> 15) == 0; + return deHalfIsZero(x) && (deHalfSign(x) == 0); } DE_INLINE deBool deHalfIsNegativeZero(deFloat16 x) { - return deFloat16To32(x) == 0 && (x >> 15) != 0; + return deHalfIsZero(x) && (deHalfSign(x) != 0); } static const deFloat16 deFloat16SignalingNaN = 0x7c01; @@ -75,19 +102,37 @@ static const deFloat16 deFloat16QuietNaN = 0x7e01; DE_INLINE deBool deHalfIsIEEENaN(deFloat16 x) { - deUint16 e = (deUint16)((x & 0x7c00u) >> 10); - deUint16 m = (x & 0x03ffu); - return e == 0x1f && m != 0; + return deHalfExponent(x) == deHalfMaxExponent && deHalfMantissa(x) != 0; } DE_INLINE deBool deHalfIsSignalingNaN(deFloat16 x) { - return deHalfIsIEEENaN(x) && (x & (1u << 9)) == 0; + return deHalfIsIEEENaN(x) && deHalfHighestMantissaBit(x) == 0; } DE_INLINE deBool deHalfIsQuietNaN(deFloat16 x) { - return deHalfIsIEEENaN(x) && (x & (1u << 9)) != 0; + return deHalfIsIEEENaN(x) && deHalfHighestMantissaBit(x) != 0; +} + +DE_INLINE deBool deHalfIsInf(deFloat16 x) +{ + return deHalfExponent(x) == deHalfMaxExponent && deHalfMantissa(x) == 0; +} + +DE_INLINE deBool deHalfIsPositiveInf(deFloat16 x) +{ + return deHalfIsInf(x) && (deHalfSign(x) == 0); +} + +DE_INLINE deBool deHalfIsNegativeInf(deFloat16 x) +{ + return deHalfIsInf(x) && (deHalfSign(x) != 0); +} + +DE_INLINE deBool deHalfIsDenormal(deFloat16 x) +{ + return deHalfExponent(x) == 0 && deHalfMantissa(x) != 0; } DE_END_EXTERN_C |