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move also inverse() to ReturnByValue, by doing a solve on NestByValue<Identity>.

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also: adding resize() to MatrixBase was really needed ;)
This commit is contained in:
Benoit Jacob
2009-09-26 11:40:29 -04:00
parent 176c26feb5
commit e82ab8a5dd
4 changed files with 15 additions and 33 deletions
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8
Eigen/src/LU/Inverse.h
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@@ -200,7 +200,7 @@ struct ei_compute_inverse
{
static inline void run(const MatrixType& matrix, MatrixType* result)
{
matrix.partialLu().computeInverse(result);
result = matrix.partialLu().inverse();
}
};
@@ -281,9 +281,7 @@ inline void MatrixBase<Derived>::computeInverse(PlainMatrixType *result) const
template<typename Derived>
inline const typename MatrixBase<Derived>::PlainMatrixType MatrixBase<Derived>::inverse() const
{
PlainMatrixType result(rows(), cols());
computeInverse(&result);
return result;
return inverse(*this);
}
@@ -299,7 +297,7 @@ struct ei_compute_inverse_with_check
typedef typename MatrixType::Scalar Scalar;
LU<MatrixType> lu( matrix );
if( !lu.isInvertible() ) return false;
lu.computeInverse(result);
*result = lu.inverse();
return true;
}
};