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Big 1009, part 2/2: add static assertion on LinearAccessBit in coeff(index)-like methods.

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This commit is contained in:
Gael Guennebaud 2015-11-27 10:06:47 +01:00
parent 91a7059459
commit ca001d7c2a
2 changed files with 8 additions and 1 deletions
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6
Eigen/src/Core/DenseCoeffsBase.h
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@ -138,6 +138,8 @@ class DenseCoeffsBase<Derived,ReadOnlyAccessors> : public EigenBase<Derived>
EIGEN_STRONG_INLINE CoeffReturnType EIGEN_STRONG_INLINE CoeffReturnType
coeff(Index index) const coeff(Index index) const
{ {
EIGEN_STATIC_ASSERT(internal::evaluator<Derived>::Flags & LinearAccessBit,
THIS_COEFFICIENT_ACCESSOR_TAKING_ONE_ACCESS_IS_ONLY_FOR_EXPRESSIONS_ALLOWING_LINEAR_ACCESS)
eigen_internal_assert(index >= 0 && index < size()); eigen_internal_assert(index >= 0 && index < size());
return internal::evaluator<Derived>(derived()).coeff(index); return internal::evaluator<Derived>(derived()).coeff(index);
} }
@ -243,6 +245,8 @@ class DenseCoeffsBase<Derived,ReadOnlyAccessors> : public EigenBase<Derived>
template<int LoadMode> template<int LoadMode>
EIGEN_STRONG_INLINE PacketReturnType packet(Index index) const EIGEN_STRONG_INLINE PacketReturnType packet(Index index) const
{ {
EIGEN_STATIC_ASSERT(internal::evaluator<Derived>::Flags & LinearAccessBit,
THIS_COEFFICIENT_ACCESSOR_TAKING_ONE_ACCESS_IS_ONLY_FOR_EXPRESSIONS_ALLOWING_LINEAR_ACCESS)
typedef typename internal::packet_traits<Scalar>::type DefaultPacketType; typedef typename internal::packet_traits<Scalar>::type DefaultPacketType;
eigen_internal_assert(index >= 0 && index < size()); eigen_internal_assert(index >= 0 && index < size());
return internal::evaluator<Derived>(derived()).template packet<LoadMode,DefaultPacketType>(index); return internal::evaluator<Derived>(derived()).template packet<LoadMode,DefaultPacketType>(index);
@ -370,6 +374,8 @@ class DenseCoeffsBase<Derived, WriteAccessors> : public DenseCoeffsBase<Derived,
EIGEN_STRONG_INLINE Scalar& EIGEN_STRONG_INLINE Scalar&
coeffRef(Index index) coeffRef(Index index)
{ {
EIGEN_STATIC_ASSERT(internal::evaluator<Derived>::Flags & LinearAccessBit,
THIS_COEFFICIENT_ACCESSOR_TAKING_ONE_ACCESS_IS_ONLY_FOR_EXPRESSIONS_ALLOWING_LINEAR_ACCESS)
eigen_internal_assert(index >= 0 && index < size()); eigen_internal_assert(index >= 0 && index < size());
return internal::evaluator<Derived>(derived()).coeffRef(index); return internal::evaluator<Derived>(derived()).coeffRef(index);
} }

3
Eigen/src/Core/util/StaticAssert.h
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@ -94,7 +94,8 @@
OBJECT_ALLOCATED_ON_STACK_IS_TOO_BIG, OBJECT_ALLOCATED_ON_STACK_IS_TOO_BIG,
IMPLICIT_CONVERSION_TO_SCALAR_IS_FOR_INNER_PRODUCT_ONLY, IMPLICIT_CONVERSION_TO_SCALAR_IS_FOR_INNER_PRODUCT_ONLY,
STORAGE_LAYOUT_DOES_NOT_MATCH, STORAGE_LAYOUT_DOES_NOT_MATCH,
EIGEN_INTERNAL_ERROR_PLEASE_FILE_A_BUG_REPORT__INVALID_COST_VALUE EIGEN_INTERNAL_ERROR_PLEASE_FILE_A_BUG_REPORT__INVALID_COST_VALUE,
THIS_COEFFICIENT_ACCESSOR_TAKING_ONE_ACCESS_IS_ONLY_FOR_EXPRESSIONS_ALLOWING_LINEAR_ACCESS
}; };
}; };