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bug #1195: move NumTraits::Div<>::Cost to internal::scalar_div_cost (with some specializations in arch/SSE and arch/AVX)

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Gael Guennebaud
2016-09-08 08:36:27 +02:00
parent d780983f59
commit 471eac5399
8 changed files with 39 additions and 27 deletions
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5
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -162,6 +162,11 @@ template<> struct unpacket_traits<Packet4f> { typedef float type; enum {size=4,
template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2, alignment=Aligned16}; typedef Packet2d half; };
template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4, alignment=Aligned16}; typedef Packet4i half; };
#ifndef EIGEN_VECTORIZE_AVX
template<> struct scalar_div_cost<float,true> { enum { value = 7 }; };
template<> struct scalar_div_cost<double,true> { enum { value = 8 }; };
#endif
#if EIGEN_COMP_MSVC==1500
// Workaround MSVC 9 internal compiler error.
// TODO: It has been detected with win64 builds (amd64), so let's check whether it also happens in 32bits+SSE mode