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Define Permutation*<>::Scalar to 'void', re-enable scalar type compatibility check in assignment while relaxing this test for void types.

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This commit is contained in:
Gael Guennebaud
2015-10-06 17:18:06 +02:00
parent fb51bab272
commit 26cde4db3c
3 changed files with 11 additions and 7 deletions
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7
Eigen/src/Core/util/XprHelper.h
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@@ -654,6 +654,11 @@ bool is_same_dense(const T1 &, const T2 &, typename enable_if<!(has_direct_acces
return false;
}
template<typename T, typename U> struct is_same_or_void { enum { value = is_same<T,U>::value }; };
template<typename T> struct is_same_or_void<void,T> { enum { value = 1 }; };
template<typename T> struct is_same_or_void<T,void> { enum { value = 1 }; };
template<> struct is_same_or_void<void,void> { enum { value = 1 }; };
} // end namespace internal
// we require Lhs and Rhs to have the same scalar type. Currently there is no example of a binary functor
@@ -666,7 +671,7 @@ bool is_same_dense(const T1 &, const T2 &, typename enable_if<!(has_direct_acces
#define EIGEN_CHECK_BINARY_COMPATIBILIY(BINOP,LHS,RHS) \
EIGEN_STATIC_ASSERT((internal::functor_is_product_like<BINOP>::ret \
? int(internal::scalar_product_traits<LHS, RHS>::Defined) \
: int(internal::is_same<LHS, RHS>::value)), \
: int(internal::is_same_or_void<LHS, RHS>::value)), \
YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
} // end namespace Eigen