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bug #1609: add inplace transposition unit test

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This commit is contained in:
Gael Guennebaud 2018-10-10 21:48:58 +02:00
parent 2bf1a31d81
commit 76ceae49c1
1 changed files with 13 additions and 3 deletions
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16
test/permutationmatrices.cpp
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@ -126,6 +126,16 @@ template<typename MatrixType> void permutationmatrices(const MatrixType& m)
VERIFY_IS_APPROX(m_permuted, lp*m_original*rp.transpose());
VERIFY_IS_APPROX(lt.inverse()*m_permuted*rt.inverse(), m_original);
// Check inplace transpositions
m_permuted = m_original;
VERIFY_IS_APPROX(m_permuted = lt * m_permuted, lp * m_original);
m_permuted = m_original;
VERIFY_IS_APPROX(m_permuted = lt.inverse() * m_permuted, lp.inverse() * m_original);
m_permuted = m_original;
VERIFY_IS_APPROX(m_permuted = m_permuted * rt, m_original * rt);
m_permuted = m_original;
VERIFY_IS_APPROX(m_permuted = m_permuted * rt.inverse(), m_original * rt.inverse());
}
template<typename T>
@ -147,7 +157,7 @@ void bug890()
MapType(v1.data(),2,1,S(1,1)) = P * MapType(rhs.data(),2,1,S(1,1));
VERIFY_IS_APPROX(v1, (P * rhs).eval());
MapType(v1.data(),2,1,S(1,1)) = P.inverse() * MapType(rhs.data(),2,1,S(1,1));
VERIFY_IS_APPROX(v1, (P.inverse() * rhs).eval());
}
@ -160,8 +170,8 @@ EIGEN_DECLARE_TEST(permutationmatrices)
CALL_SUBTEST_3( permutationmatrices(Matrix<double,3,3,RowMajor>()) );
CALL_SUBTEST_4( permutationmatrices(Matrix4d()) );
CALL_SUBTEST_5( permutationmatrices(Matrix<double,40,60>()) );
CALL_SUBTEST_6( permutationmatrices(Matrix<double,Dynamic,Dynamic,RowMajor>(20, 30)) );
CALL_SUBTEST_7( permutationmatrices(MatrixXcf(15, 10)) );
CALL_SUBTEST_6( permutationmatrices(Matrix<double,Dynamic,Dynamic,RowMajor>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
CALL_SUBTEST_7( permutationmatrices(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
}
CALL_SUBTEST_5( bug890<double>() );
}