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Support Product::coeff(0,0) even for dynamic matrices

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This commit is contained in:
Gael Guennebaud
2014-02-18 13:32:30 +01:00
parent 8cfb138e73
commit 7002aa858f
2 changed files with 23 additions and 25 deletions
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26
Eigen/src/Core/Product.h
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@@ -109,16 +109,6 @@ public:
{
return typename internal::evaluator<ProductXpr>::type(derived()).coeff(0,0);
}
Scalar coeff(Index row, Index col) const
{
return typename internal::evaluator<ProductXpr>::type(derived()).coeff(row,col);
}
Scalar coeff(Index i) const
{
return typename internal::evaluator<ProductXpr>::type(derived()).coeff(i);
}
};
} // namespace internal
@@ -132,6 +122,22 @@ class ProductImpl<Lhs,Rhs,Option,Dense>
typedef typename internal::dense_product_base<Lhs, Rhs, Option> Base;
EIGEN_DENSE_PUBLIC_INTERFACE(Derived)
Scalar coeff(Index row, Index col) const
{
EIGEN_STATIC_ASSERT_SIZE_1x1(Derived)
eigen_assert(this->rows() == 1 && this->cols() == 1);
return typename internal::evaluator<Derived>::type(derived()).coeff(row,col);
}
Scalar coeff(Index i) const
{
EIGEN_STATIC_ASSERT_SIZE_1x1(Derived)
eigen_assert(this->rows() == 1 && this->cols() == 1);
return typename internal::evaluator<Derived>::type(derived()).coeff(i);
}
};
/***************************************************************************