devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix bug #314: move remaining math functions from internal to numext namespace

Browse Source
This commit is contained in:
Gael Guennebaud
2013-06-10 23:40:56 +02:00
parent 827843bbbd
commit 62670c83a0
71 changed files with 408 additions and 388 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Eigen/src/SVD/JacobiSVD.h
View File

@@ -374,7 +374,7 @@ struct svd_precondition_2x2_block_to_be_real<MatrixType, QRPreconditioner, true>
using std::sqrt;
Scalar z;
JacobiRotation<Scalar> rot;
RealScalar n = sqrt(abs2(work_matrix.coeff(p,p)) + abs2(work_matrix.coeff(q,p)));
RealScalar n = sqrt(numext::abs2(work_matrix.coeff(p,p)) + numext::abs2(work_matrix.coeff(q,p)));
if(n==0)
{
z = abs(work_matrix.coeff(p,q)) / work_matrix.coeff(p,q);
@@ -413,8 +413,8 @@ void real_2x2_jacobi_svd(const MatrixType& matrix, Index p, Index q,
{
using std::sqrt;
Matrix<RealScalar,2,2> m;
m << real(matrix.coeff(p,p)), real(matrix.coeff(p,q)),
real(matrix.coeff(q,p)), real(matrix.coeff(q,q));
m << numext::real(matrix.coeff(p,p)), numext::real(matrix.coeff(p,q)),
numext::real(matrix.coeff(q,p)), numext::real(matrix.coeff(q,q));
JacobiRotation<RealScalar> rot1;
RealScalar t = m.coeff(0,0) + m.coeff(1,1);
RealScalar d = m.coeff(1,0) - m.coeff(0,1);
@@ -426,7 +426,7 @@ void real_2x2_jacobi_svd(const MatrixType& matrix, Index p, Index q,
else
{
RealScalar u = d / t;
rot1.c() = RealScalar(1) / sqrt(RealScalar(1) + abs2(u));
rot1.c() = RealScalar(1) / sqrt(RealScalar(1) + numext::abs2(u));
rot1.s() = rot1.c() * u;
}
m.applyOnTheLeft(0,1,rot1);