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aligned-on-scalar assertion was still too aggressive: it now takes into account the sizes at runtime

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Gael Guennebaud 2015-06-13 21:49:11 +02:00
parent 62b08cf9f9
commit 37ed0d991a
1 changed files with 5 additions and 3 deletions
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8
Eigen/src/Core/Map.h
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@ -174,14 +174,16 @@ template<typename PlainObjectType, int MapOptions, typename StrideType> class Ma
protected: protected:
static void checkPointer(const Scalar* dataPtr) void checkPointer(const Scalar* dataPtr)
{ {
enum { enum {
MightTryToAlignOnScalar = internal::packet_traits<Scalar>::AlignedOnScalar MightTryToAlignOnScalar = internal::packet_traits<Scalar>::AlignedOnScalar
&& bool(internal::traits<Map>::Flags&PacketAccessBit) && bool(internal::traits<Map>::Flags&PacketAccessBit)
&& internal::is_lvalue<Map>::value && internal::is_lvalue<Map>::value,
PacketSize = internal::packet_traits<Scalar>::size
}; };
eigen_assert(EIGEN_IMPLIES(bool(MightTryToAlignOnScalar), (size_t(dataPtr) % sizeof(Scalar)) == 0) Index linear_size = bool(internal::traits<Map>::Flags&LinearAccessBit) ? this->size() : this->innerSize();
eigen_assert(EIGEN_IMPLIES(bool(MightTryToAlignOnScalar) && (linear_size>=PacketSize), (size_t(dataPtr) % sizeof(Scalar)) == 0)
&& "input pointer is not aligned on scalar boundary, e.g., use \"EIGEN_ALIGN8 T ptr[N];\" for double or complex<float>"); && "input pointer is not aligned on scalar boundary, e.g., use \"EIGEN_ALIGN8 T ptr[N];\" for double or complex<float>");
} }