diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2012-09-27 09:37:05 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2012-09-27 09:37:05 +0200 |
| commit | 8b83e66906d9e52047137c0e45fc81076f915e13 (patch) | |
| tree | 4e5b650050072d417d844697ba5ded7ff7418f08 /test/diagonalmatrices.cpp | |
| parent | 1b004d579469e83d0af607e9083c680c55025694 (diff) | |
add scalar multiple to diagonal matrices
(transplanted from dc5b335f9fbc25b15a408d8b1458a0140c0a8248
)
Diffstat (limited to 'test/diagonalmatrices.cpp')
| -rw-r--r-- | test/diagonalmatrices.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/diagonalmatrices.cpp b/test/diagonalmatrices.cpp index 3f5776dfc..7e9c80d7b 100644 --- a/test/diagonalmatrices.cpp +++ b/test/diagonalmatrices.cpp @@ -32,6 +32,8 @@ template<typename MatrixType> void diagonalmatrices(const MatrixType& m) rv2 = RowVectorType::Random(cols); LeftDiagonalMatrix ldm1(v1), ldm2(v2); RightDiagonalMatrix rdm1(rv1), rdm2(rv2); + + Scalar s1 = internal::random<Scalar>(); SquareMatrixType sq_m1 (v1.asDiagonal()); VERIFY_IS_APPROX(sq_m1, v1.asDiagonal().toDenseMatrix()); @@ -76,6 +78,13 @@ template<typename MatrixType> void diagonalmatrices(const MatrixType& m) big.block(i,j,rows,cols) = big.block(i,j,rows,cols) * rv1.asDiagonal(); VERIFY_IS_APPROX((big.block(i,j,rows,cols)) , m1 * rv1.asDiagonal() ); + + // scalar multiple + VERIFY_IS_APPROX(LeftDiagonalMatrix(ldm1*s1).diagonal(), ldm1.diagonal() * s1); + VERIFY_IS_APPROX(LeftDiagonalMatrix(s1*ldm1).diagonal(), s1 * ldm1.diagonal()); + + VERIFY_IS_APPROX(m1 * (rdm1 * s1), (m1 * rdm1) * s1); + VERIFY_IS_APPROX(m1 * (s1 * rdm1), (m1 * rdm1) * s1); } void test_diagonalmatrices() |