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Merge pull request #3193 from Tilka/nan_check

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video_core: optimize NaN check
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Sebastian Valle 2017-12-05 19:08:58 -05:00 • committed by GitHub
commit 4835342032
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1 changed files with 2 additions and 2 deletions
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src/video_core/pica_types.h
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@ -60,8 +60,8 @@ public:
Float<M, E> operator*(const Float<M, E>& flt) const { Float<M, E> operator*(const Float<M, E>& flt) const {
float result = value * flt.ToFloat32(); float result = value * flt.ToFloat32();
// PICA gives 0 instead of NaN when multiplying by inf // PICA gives 0 instead of NaN when multiplying by inf
if (!std::isnan(value) && !std::isnan(flt.ToFloat32()))
if (std::isnan(result)) if (std::isnan(result))
if (!std::isnan(value) && !std::isnan(flt.ToFloat32()))
result = 0.f; result = 0.f;
return Float<M, E>::FromFloat32(result); return Float<M, E>::FromFloat32(result);
} }