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fix resizing in noalias for blocks, and make -=/+= use evaluators

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This commit is contained in:
Gael Guennebaud 2013-12-13 18:06:58 +01:00
parent 2ca0ccd2f2
commit e94fe4cc3e
2 changed files with 9 additions and 1 deletions
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8
Eigen/src/Core/CwiseBinaryOp.h
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@ -213,8 +213,12 @@ template<typename OtherDerived>
EIGEN_STRONG_INLINE Derived &
MatrixBase<Derived>::operator-=(const MatrixBase<OtherDerived> &other)
{
#ifdef EIGEN_TEST_EVALUATORS
call_assignment(derived(), other.derived(), internal::sub_assign_op<Scalar>());
#else
SelfCwiseBinaryOp<internal::scalar_difference_op<Scalar>, Derived, OtherDerived> tmp(derived());
tmp = other.derived();
#endif
return derived();
}
@ -227,8 +231,12 @@ template<typename OtherDerived>
EIGEN_STRONG_INLINE Derived &
MatrixBase<Derived>::operator+=(const MatrixBase<OtherDerived>& other)
{
#ifdef EIGEN_TEST_EVALUATORS
call_assignment(derived(), other.derived(), internal::add_assign_op<Scalar>());
#else
SelfCwiseBinaryOp<internal::scalar_sum_op<Scalar>, Derived, OtherDerived> tmp(derived());
tmp = other.derived();
#endif
return derived();
}

2
Eigen/src/Core/NoAlias.h
View File

@ -41,7 +41,7 @@ class NoAlias
EIGEN_STRONG_INLINE ExpressionType& operator=(const StorageBase<OtherDerived>& other)
{
// TODO either call resize here or call "call_assignment" through m_expression.lazyAssign() ??
m_expression.resizeLike(other.derived());
m_expression.resize(other.derived().rows(), other.derived().cols());
call_assignment(*this, other.derived(), internal::assign_op<Scalar>());
return m_expression;
}