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Add a call_assignment_no_alias_no_transpose shortcut

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This commit is contained in:
Gael Guennebaud 2015-06-24 17:50:43 +02:00
parent 02db7c9bc6
commit 36643eec0c
1 changed files with 20 additions and 1 deletions
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21
Eigen/src/Core/AssignEvaluator.h
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@ -756,6 +756,26 @@ EIGEN_DEVICE_FUNC void call_assignment_no_alias(Dst& dst, const Src& src)
call_assignment_no_alias(dst, src, internal::assign_op<typename Dst::Scalar>());
}
template<typename Dst, typename Src, typename Func>
EIGEN_DEVICE_FUNC void call_assignment_no_alias_no_transpose(Dst& dst, const Src& src, const Func& func)
{
Index dstRows = src.rows();
Index dstCols = src.cols();
if((dst.rows()!=dstRows) || (dst.cols()!=dstCols))
dst.resize(dstRows, dstCols);
// TODO check whether this is the right place to perform these checks:
EIGEN_STATIC_ASSERT_LVALUE(Dst)
EIGEN_STATIC_ASSERT_SAME_MATRIX_SIZE(Dst,Src)
Assignment<Dst,Src,Func>::run(dst, src, func);
}
template<typename Dst, typename Src>
EIGEN_DEVICE_FUNC void call_assignment_no_alias_no_transpose(Dst& dst, const Src& src)
{
call_assignment_no_alias_no_transpose(dst, src, internal::assign_op<typename Dst::Scalar>());
}
// forward declaration
template<typename Dst, typename Src> void check_for_aliasing(const Dst &dst, const Src &src);
@ -783,7 +803,6 @@ struct Assignment<DstXprType, SrcXprType, Functor, EigenBase2EigenBase, Scalar>
EIGEN_DEVICE_FUNC static void run(DstXprType &dst, const SrcXprType &src, const internal::assign_op<typename DstXprType::Scalar> &/*func*/)
{
eigen_assert(dst.rows() == src.rows() && dst.cols() == src.cols());
src.evalTo(dst);
}
};