GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-07-21 20:34:28 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix issues in previously added additionnal product tests

Browse Source
This commit is contained in:
Gael Guennebaud 2008-07-06 19:02:03 +00:00
parent a9d319d44f
commit c910c517b3
1 changed files with 20 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
test/product.cpp
View File

@ -23,6 +23,13 @@
// Eigen. If not, see <http://www.gnu.org/licenses/>. // Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h" #include "main.h"
#include <Eigen/QR>
template<typename Derived1, typename Derived2>
bool areNotApprox(const MatrixBase<Derived1>& m1, const MatrixBase<Derived2>& m2, typename Derived1::Scalar epsilon = precision<typename Derived1::Scalar>())
{
return !((m1-m2).matrixNorm() < epsilon * std::max(m1.matrixNorm(), m2.matrixNorm()));
}
template<typename MatrixType> void product(const MatrixType& m) template<typename MatrixType> void product(const MatrixType& m)
{ {
@ -89,18 +96,28 @@ template<typename MatrixType> void product(const MatrixType& m)
VERIFY_RAISES_ASSERT(m3 = m1*m1); VERIFY_RAISES_ASSERT(m3 = m1*m1);
// test the previous tests were not screwed up because operator* returns 0 // test the previous tests were not screwed up because operator* returns 0
VERIFY_IS_NOT_APPROX((m1.transpose()*m2).template cast<FloatingPoint>(), (m2.transpose()*m1).template cast<FloatingPoint>()); // (we use the more accurate default epsilon)
if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)
{
VERIFY(areNotApprox(m1.transpose()*m2,m2.transpose()*m1));
}
// test optimized operator+= path // test optimized operator+= path
res = square; res = square;
res += (m1 * m2.transpose()).lazy(); res += (m1 * m2.transpose()).lazy();
VERIFY_IS_APPROX(res, square + m1 * m2.transpose()); VERIFY_IS_APPROX(res, square + m1 * m2.transpose());
VERIFY_IS_NOT_APPROX(res.template cast<FloatingPoint>(), (square + m2 * m1.transpose()).template cast<FloatingPoint>()); if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)
{
VERIFY(areNotApprox(res,square + m2 * m1.transpose()));
}
res2 = square2; res2 = square2;
res2 += (m1.transpose() * m2).lazy(); res2 += (m1.transpose() * m2).lazy();
VERIFY_IS_APPROX(res2, square2 + m1.transpose() * m2); VERIFY_IS_APPROX(res2, square2 + m1.transpose() * m2);
VERIFY_IS_NOT_APPROX(res2.template cast<FloatingPoint>(), (square2 + m2.transpose() * m1).template cast<FloatingPoint>()); if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)
{
VERIFY(areNotApprox(res2,square2 + m2.transpose() * m1));
}
} }
void test_product() void test_product()