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The only(?) way to test complex matrix power.

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This commit is contained in:
Chen-Pang He 2013-07-10 02:59:16 +08:00
parent 5c95892b83
commit 4466875d54
1 changed files with 23 additions and 0 deletions
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23
unsupported/test/matrix_power.cpp
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@ -142,6 +142,19 @@ void testSingular(MatrixType m, double tol)
}
}
template<typename MatrixType>
void testLogThenExp(MatrixType m, double tol)
{
typedef typename MatrixType::Scalar Scalar;
Scalar x;
for (int i=0; i < g_repeat; ++i) {
generateTestMatrix<MatrixType>::run(m, m.rows());
x = internal::random<Scalar>();
VERIFY(m.pow(x).isApprox((x * m.log()).exp(), tol));
}
}
typedef Matrix<double,3,3,RowMajor> Matrix3dRowMajor;
typedef Matrix<long double,Dynamic,Dynamic> MatrixXe;
@ -173,4 +186,14 @@ void test_matrix_power()
CALL_SUBTEST_8(testSingular(Matrix4f(), 1e-4));
CALL_SUBTEST_6(testSingular(MatrixXf(2,2), 1e-3));
CALL_SUBTEST_9(testSingular(MatrixXe(7,7), 1e-13));
CALL_SUBTEST_2(testLogThenExp(Matrix2d(), 1e-13));
CALL_SUBTEST_7(testLogThenExp(Matrix3dRowMajor(), 1e-13));
CALL_SUBTEST_3(testLogThenExp(Matrix4cd(), 1e-13));
CALL_SUBTEST_4(testLogThenExp(MatrixXd(8,8), 2e-12));
CALL_SUBTEST_1(testLogThenExp(Matrix2f(), 1e-4));
CALL_SUBTEST_5(testLogThenExp(Matrix3cf(), 1e-4));
CALL_SUBTEST_8(testLogThenExp(Matrix4f(), 1e-4));
CALL_SUBTEST_6(testLogThenExp(MatrixXf(2,2), 1e-3));
CALL_SUBTEST_9(testLogThenExp(MatrixXe(7,7), 1e-13));
}