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Regression test for bug #302

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(transplanted from 80fd8fab87d7d65cfeb9b1e64d8b42ee4463ab64
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Changed DenseIndex to Index
This commit is contained in:
Christoph Hertzberg 2015-04-26 21:05:33 +02:00
parent 8c6a3b5ace
commit da2baf685d
1 changed files with 8 additions and 1 deletions
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9
test/lu.cpp
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@ -100,7 +100,9 @@ template<typename MatrixType> void lu_invertible()
LU.h
*/
typedef typename NumTraits<typename MatrixType::Scalar>::Real RealScalar;
int size = internal::random<int>(1,EIGEN_TEST_MAX_SIZE);
Index size = MatrixType::RowsAtCompileTime;
if( size==Dynamic)
size = internal::random<Index>(1,EIGEN_TEST_MAX_SIZE);
MatrixType m1(size, size), m2(size, size), m3(size, size);
FullPivLU<MatrixType> lu;
@ -122,6 +124,10 @@ template<typename MatrixType> void lu_invertible()
m2 = lu.solve(m3);
VERIFY_IS_APPROX(m3, m1*m2);
VERIFY_IS_APPROX(m2, lu.inverse()*m3);
// Regression test for Bug 302
MatrixType m4 = MatrixType::Random(size,size);
VERIFY_IS_APPROX(lu.solve(m3*m4), lu.solve(m3)*m4);
}
template<typename MatrixType> void lu_partial_piv()
@ -171,6 +177,7 @@ void test_lu()
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1( lu_non_invertible<Matrix3f>() );
CALL_SUBTEST_1( lu_invertible<Matrix3f>() );
CALL_SUBTEST_1( lu_verify_assert<Matrix3f>() );
CALL_SUBTEST_2( (lu_non_invertible<Matrix<double, 4, 6> >()) );