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add EIGEN_NO_AUTOMATIC_RESIZING

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if defined, already initialized matrices won't be automatically resized in assignments
uninitialized matrices may still be initialized
This commit is contained in:
Benoit Jacob 2009-01-28 16:44:03 +00:00
parent 1b194193ef
commit 9bc44094c5
1 changed files with 6 additions and 0 deletions
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6
Eigen/src/Core/Matrix.h
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@ -463,6 +463,12 @@ class Matrix
template<typename OtherDerived> template<typename OtherDerived>
EIGEN_STRONG_INLINE void _resize_to_match(const MatrixBase<OtherDerived>& other) EIGEN_STRONG_INLINE void _resize_to_match(const MatrixBase<OtherDerived>& other)
{ {
#ifdef EIGEN_NO_AUTOMATIC_RESIZING
ei_assert((this->size()==0 || (IsVectorAtCompileTime ? (this->size() == other.size())
: (rows() == other.rows() && cols() == other.cols())))
&& "Size mismatch. Automatic resizing is disabled because EIGEN_NO_AUTOMATIC_RESIZING is defined");
#endif
if(RowsAtCompileTime == 1) if(RowsAtCompileTime == 1)
{ {
ei_assert(other.isVector()); ei_assert(other.isVector());