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Use truncation rather than rounding when casting Packet2d to Packet2l.

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This commit is contained in:
Rasmus Munk Larsen 2024-03-27 14:37:52 -07:00
parent 7b5d32b7c9
commit 4dccaa587e
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/arch/SSE/TypeCasting.h
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@ -89,7 +89,7 @@ EIGEN_STRONG_INLINE Packet4i pcast<Packet2d, Packet4i>(const Packet2d& a, const
template <>
EIGEN_STRONG_INLINE Packet2l pcast<Packet2d, Packet2l>(const Packet2d& a) {
#if EIGEN_ARCH_x86_64
return _mm_set_epi64x(_mm_cvtsd_si64(preverse(a)), _mm_cvtsd_si64(a));
return _mm_set_epi64x(_mm_cvttsd_si64(preverse(a)), _mm_cvttsd_si64(a));
#else
return _mm_set_epi64x(static_cast<int64_t>(pfirst(preverse(a))), static_cast<int64_t>(pfirst(a)));
#endif