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Fix bug #314:

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- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std)
- remove the overloads for array expression that were in the std namespace
This commit is contained in:
Gael Guennebaud
2012-11-06 15:25:50 +01:00
parent 959ef37006
commit a76fbbf397
88 changed files with 496 additions and 468 deletions
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7
Eigen/src/LU/FullPivLU.h
View File

@@ -293,11 +293,12 @@ template<typename _MatrixType> class FullPivLU
*/
inline Index rank() const
{
using std::abs;
eigen_assert(m_isInitialized && "LU is not initialized.");
RealScalar premultiplied_threshold = internal::abs(m_maxpivot) * threshold();
RealScalar premultiplied_threshold = abs(m_maxpivot) * threshold();
Index result = 0;
for(Index i = 0; i < m_nonzero_pivots; ++i)
result += (internal::abs(m_lu.coeff(i,i)) > premultiplied_threshold);
result += (abs(m_lu.coeff(i,i)) > premultiplied_threshold);
return result;
}
@@ -547,6 +548,7 @@ struct kernel_retval<FullPivLU<_MatrixType> >
template<typename Dest> void evalTo(Dest& dst) const
{
using std::abs;
const Index cols = dec().matrixLU().cols(), dimker = cols - rank();
if(dimker == 0)
{
@@ -632,6 +634,7 @@ struct image_retval<FullPivLU<_MatrixType> >
template<typename Dest> void evalTo(Dest& dst) const
{
using std::abs;
if(rank() == 0)
{
// The Image is just {0}, so it doesn't have a basis properly speaking, but let's

4
Eigen/src/LU/Inverse.h
View File

@@ -55,6 +55,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 1>
bool& invertible
)
{
using std::abs;
determinant = matrix.coeff(0,0);
invertible = abs(determinant) > absDeterminantThreshold;
if(invertible) result.coeffRef(0,0) = typename ResultType::Scalar(1) / determinant;
@@ -98,6 +99,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 2>
bool& invertible
)
{
using std::abs;
typedef typename ResultType::Scalar Scalar;
determinant = matrix.determinant();
invertible = abs(determinant) > absDeterminantThreshold;
@@ -167,6 +169,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 3>
bool& invertible
)
{
using std::abs;
typedef typename ResultType::Scalar Scalar;
Matrix<Scalar,3,1> cofactors_col0;
cofactors_col0.coeffRef(0) = cofactor_3x3<MatrixType,0,0>(matrix);
@@ -251,6 +254,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 4>
bool& invertible
)
{
using std::abs;
determinant = matrix.determinant();
invertible = abs(determinant) > absDeterminantThreshold;
if(invertible) compute_inverse<MatrixType, ResultType>::run(matrix, inverse);