diff options
Diffstat (limited to 'unsupported/test/matrix_power.cpp')
| -rw-r--r-- | unsupported/test/matrix_power.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/unsupported/test/matrix_power.cpp b/unsupported/test/matrix_power.cpp index c5967d2eb..7d90066c8 100644 --- a/unsupported/test/matrix_power.cpp +++ b/unsupported/test/matrix_power.cpp @@ -86,6 +86,28 @@ void testExponentLaws(const MatrixType& m, double tol) } } +template<typename MatrixType, typename VectorType> +void testMatrixVectorProduct(const MatrixType& m, const VectorType& v, double tol) +{ + typedef typename MatrixType::RealScalar RealScalar; + MatrixType m1; + VectorType v1, v2, v3; + RealScalar p; + + for (int i=0; i<g_repeat; ++i) { + generateTestMatrix<MatrixType>::run(m1, m.rows()); + MatrixPower<MatrixType> mpow(m1); + + v1 = VectorType::Random(v.rows(), v.cols()); + p = internal::random<RealScalar>(); + + v2.noalias() = mpow(p) * v1; + v3.noalias() = mpow(p).eval() * v1; + std::cout << "testMatrixVectorProduct: error powerm = " << relerr(v2, v3) << '\n'; + VERIFY(v2.isApprox(v3, static_cast<RealScalar>(tol))); + } +} + void test_matrix_power() { typedef Matrix<long double,Dynamic,Dynamic> MatrixXe; @@ -105,4 +127,14 @@ void test_matrix_power() CALL_SUBTEST_5(testExponentLaws(Matrix3cf(), 1e-4)); CALL_SUBTEST_8(testExponentLaws(Matrix4f(), 1e-4)); CALL_SUBTEST_6(testExponentLaws(MatrixXf(8,8), 1e-4)); + + CALL_SUBTEST_2(testMatrixVectorProduct(Matrix2d(), Vector2d(), 1e-13)); + CALL_SUBTEST_7(testMatrixVectorProduct(Matrix<double,3,3,RowMajor>(), Vector3d(), 1e-13)); + CALL_SUBTEST_3(testMatrixVectorProduct(Matrix4cd(), Vector4cd(), 1e-13)); + CALL_SUBTEST_4(testMatrixVectorProduct(MatrixXd(8,8), MatrixXd(8,2), 1e-13)); + CALL_SUBTEST_1(testMatrixVectorProduct(Matrix2f(), Vector2f(), 1e-4)); + CALL_SUBTEST_5(testMatrixVectorProduct(Matrix3cf(), Vector3cf(), 1e-4)); + CALL_SUBTEST_8(testMatrixVectorProduct(Matrix4f(), Vector4f(), 1e-4)); + CALL_SUBTEST_6(testMatrixVectorProduct(MatrixXf(8,8), VectorXf(8), 1e-4)); + CALL_SUBTEST_9(testMatrixVectorProduct(MatrixXe(7,7), MatrixXe(7,9), 1e-13)); } |