diff options
Diffstat (limited to 'test/array_for_matrix.cpp')
| -rw-r--r-- | test/array_for_matrix.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/test/array_for_matrix.cpp b/test/array_for_matrix.cpp index db5f3b34a..97e03be83 100644 --- a/test/array_for_matrix.cpp +++ b/test/array_for_matrix.cpp @@ -45,7 +45,7 @@ template<typename MatrixType> void array_for_matrix(const MatrixType& m) VERIFY_IS_MUCH_SMALLER_THAN(m1.rowwise().sum().sum() - m1.sum(), m1.squaredNorm()); VERIFY_IS_MUCH_SMALLER_THAN(m1.colwise().sum() + m2.colwise().sum() - (m1+m2).colwise().sum(), (m1+m2).squaredNorm()); VERIFY_IS_MUCH_SMALLER_THAN(m1.rowwise().sum() - m2.rowwise().sum() - (m1-m2).rowwise().sum(), (m1-m2).squaredNorm()); - VERIFY_IS_APPROX(m1.colwise().sum(), m1.colwise().redux(internal::scalar_sum_op<Scalar>())); + VERIFY_IS_APPROX(m1.colwise().sum(), m1.colwise().redux(internal::scalar_sum_op<Scalar,Scalar>())); // vector-wise ops m3 = m1; @@ -144,9 +144,21 @@ template<typename MatrixType> void comparisons(const MatrixType& m) template<typename VectorType> void lpNorm(const VectorType& v) { using std::sqrt; + typedef typename VectorType::RealScalar RealScalar; VectorType u = VectorType::Random(v.size()); - VERIFY_IS_APPROX(u.template lpNorm<Infinity>(), u.cwiseAbs().maxCoeff()); + if(v.size()==0) + { + VERIFY_IS_APPROX(u.template lpNorm<Infinity>(), RealScalar(0)); + VERIFY_IS_APPROX(u.template lpNorm<1>(), RealScalar(0)); + VERIFY_IS_APPROX(u.template lpNorm<2>(), RealScalar(0)); + VERIFY_IS_APPROX(u.template lpNorm<5>(), RealScalar(0)); + } + else + { + VERIFY_IS_APPROX(u.template lpNorm<Infinity>(), u.cwiseAbs().maxCoeff()); + } + VERIFY_IS_APPROX(u.template lpNorm<1>(), u.cwiseAbs().sum()); VERIFY_IS_APPROX(u.template lpNorm<2>(), sqrt(u.array().abs().square().sum())); VERIFY_IS_APPROX(numext::pow(u.template lpNorm<5>(), typename VectorType::RealScalar(5)), u.array().abs().pow(5).sum()); @@ -255,6 +267,8 @@ void test_array_for_matrix() CALL_SUBTEST_5( lpNorm(VectorXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); CALL_SUBTEST_4( lpNorm(VectorXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); } + CALL_SUBTEST_5( lpNorm(VectorXf(0)) ); + CALL_SUBTEST_4( lpNorm(VectorXcf(0)) ); for(int i = 0; i < g_repeat; i++) { CALL_SUBTEST_4( resize(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); CALL_SUBTEST_5( resize(MatrixXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); |