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bug #1400: fix stableNorm with EIGEN_DONT_ALIGN_STATICALLY

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(grafted from 659087b622e94f7e35a56b7ed2cb01b024c80a7b
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This commit is contained in:
Gael Guennebaud 2017-03-07 10:02:34 +01:00
parent faf8af25ed
commit f2e8f96151
1 changed files with 2 additions and 1 deletions
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3
Eigen/src/Core/StableNorm.h
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@ -170,7 +170,8 @@ MatrixBase<Derived>::stableNorm() const
enum { enum {
CanAlign = ( (int(DerivedCopyClean::Flags)&DirectAccessBit) CanAlign = ( (int(DerivedCopyClean::Flags)&DirectAccessBit)
|| (int(internal::evaluator<DerivedCopyClean>::Alignment)>0) // FIXME Alignment)>0 might not be enough || (int(internal::evaluator<DerivedCopyClean>::Alignment)>0) // FIXME Alignment)>0 might not be enough
) && (blockSize*sizeof(Scalar)*2<EIGEN_STACK_ALLOCATION_LIMIT) // ifwe cannot allocate on the stack, then let's not bother about this optimization ) && (blockSize*sizeof(Scalar)*2<EIGEN_STACK_ALLOCATION_LIMIT)
&& (EIGEN_MAX_STATIC_ALIGN_BYTES>0) // if we cannot allocate on the stack, then let's not bother about this optimization
}; };
typedef typename internal::conditional<CanAlign, Ref<const Matrix<Scalar,Dynamic,1,0,blockSize,1>, internal::evaluator<DerivedCopyClean>::Alignment>, typedef typename internal::conditional<CanAlign, Ref<const Matrix<Scalar,Dynamic,1,0,blockSize,1>, internal::evaluator<DerivedCopyClean>::Alignment>,
typename DerivedCopyClean::ConstSegmentReturnType>::type SegmentWrapper; typename DerivedCopyClean::ConstSegmentReturnType>::type SegmentWrapper;