Fixes for min and abs after Benoit's comments, switched to numext.

This commit is contained in:
Robert Lukierski
2016-10-13 15:00:22 +01:00
parent 471075f7ad
commit a94791b69a
7 changed files with 18 additions and 31 deletions

View File

@@ -641,22 +641,20 @@ MatrixBase<Derived>::triangularView() const
template<typename Derived>
bool MatrixBase<Derived>::isUpperTriangular(const RealScalar& prec) const
{
EIGEN_USING_STD_MATH(abs)
RealScalar maxAbsOnUpperPart = static_cast<RealScalar>(-1);
EIGEN_USING_STD_MATH(min)
for(Index j = 0; j < cols(); ++j)
{
Index maxi = (min)(j, rows()-1);
Index maxi = numext::mini(j, rows()-1);
for(Index i = 0; i <= maxi; ++i)
{
RealScalar absValue = abs(coeff(i,j));
RealScalar absValue = numext::abs(coeff(i,j));
if(absValue > maxAbsOnUpperPart) maxAbsOnUpperPart = absValue;
}
}
RealScalar threshold = maxAbsOnUpperPart * prec;
for(Index j = 0; j < cols(); ++j)
for(Index i = j+1; i < rows(); ++i)
if(abs(coeff(i, j)) > threshold) return false;
if(numext::abs(coeff(i, j)) > threshold) return false;
return true;
}
@@ -668,21 +666,19 @@ bool MatrixBase<Derived>::isUpperTriangular(const RealScalar& prec) const
template<typename Derived>
bool MatrixBase<Derived>::isLowerTriangular(const RealScalar& prec) const
{
EIGEN_USING_STD_MATH(abs)
EIGEN_USING_STD_MATH(min)
RealScalar maxAbsOnLowerPart = static_cast<RealScalar>(-1);
for(Index j = 0; j < cols(); ++j)
for(Index i = j; i < rows(); ++i)
{
RealScalar absValue = abs(coeff(i,j));
RealScalar absValue = numext::abs(coeff(i,j));
if(absValue > maxAbsOnLowerPart) maxAbsOnLowerPart = absValue;
}
RealScalar threshold = maxAbsOnLowerPart * prec;
for(Index j = 1; j < cols(); ++j)
{
Index maxi = (min)(j, rows()-1);
Index maxi = numext::mini(j, rows()-1);
for(Index i = 0; i < maxi; ++i)
if(abs(coeff(i, j)) > threshold) return false;
if(numext::abs(coeff(i, j)) > threshold) return false;
}
return true;
}
@@ -893,10 +889,9 @@ struct triangular_assignment_loop<Kernel, Mode, Dynamic, SetOpposite>
EIGEN_DEVICE_FUNC
static inline void run(Kernel &kernel)
{
EIGEN_USING_STD_MATH(min)
for(Index j = 0; j < kernel.cols(); ++j)
{
Index maxi = (min)(j, kernel.rows());
Index maxi = numext::mini(j, kernel.rows());
Index i = 0;
if (((Mode&Lower) && SetOpposite) || (Mode&Upper))
{