diff options
Diffstat (limited to 'test/permutationmatrices.cpp')
| -rw-r--r-- | test/permutationmatrices.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/permutationmatrices.cpp b/test/permutationmatrices.cpp index 13b01cd83..ec3a8541c 100644 --- a/test/permutationmatrices.cpp +++ b/test/permutationmatrices.cpp @@ -72,6 +72,15 @@ template<typename MatrixType> void permutationmatrices(const MatrixType& m) Matrix<Scalar,Cols,Cols> rm(rp); VERIFY_IS_APPROX(m_permuted, lm*m_original*rm); + + VERIFY_IS_APPROX(lp.inverse()*m_permuted*rp.inverse(), m_original); + VERIFY((lp*lp.inverse()).toDenseMatrix().isIdentity()); + + LeftPermutationVectorType lv2; + randomPermutationVector(lv2, rows); + LeftPermutationType lp2(lv2); + Matrix<Scalar,Rows,Rows> lm2(lp2); + VERIFY_IS_APPROX((lp*lp2).toDenseMatrix().template cast<Scalar>(), lm2*lm); } void test_permutationmatrices() |