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see #3539: a testcase was provided to recreate the problem

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test/Jamfile.v2: added new target

test/test_complex_norms.cpp: added new testcase for complex vector norms

svn path=/trunk/libs/numeric/ublas/; revision=61135
This commit is contained in:
Gunter Winkler
2010-04-07 19:15:07 +00:00
parent b574c7c97b
commit e6ae79be8b
2 changed files with 84 additions and 0 deletions
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2
test/Jamfile.v2
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@@ -130,4 +130,6 @@ test-suite numeric/uBLAS
]
[ run test_coordinate_matrix_sort.cpp
]
[ run test_complex_norms.cpp
]
;

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test/test_complex_norms.cpp Normal file
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@@ -0,0 +1,82 @@
// Copyright 2010 Gunter Winkler <guwi17@gmx.de>
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/numeric/ublas/vector.hpp>
#include <boost/numeric/ublas/io.hpp>
#include <boost/numeric/ublas/matrix.hpp>
#include <complex>
#include "libs/numeric/ublas/test/utils.hpp"
using namespace boost::numeric::ublas;
static const double TOL(1.0e-5); ///< Used for comparing two real numbers.
BOOST_UBLAS_TEST_DEF ( test_double_complex_norm_inf ) {
typedef std::complex<double> dComplex;
vector<dComplex> v(4);
for (unsigned int i = 0; i < v.size(); ++i)
v[i] = dComplex(i, i + 1);
const double expected = abs(v[3]);
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_inf(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_inf(v) - expected) < TOL);
v *= 3.;
BOOST_UBLAS_TEST_CHECK(std::abs(norm_inf(v) - (3.0*expected)) < TOL);
}
BOOST_UBLAS_TEST_DEF ( test_double_complex_norm_2 ) {
typedef std::complex<double> dComplex;
vector<dComplex> v(4);
for (unsigned int i = 0; i < v.size(); ++i)
v[i] = dComplex(i, i + 1);
const double expected = sqrt(44.0);
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
v *= 3.;
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - (3.0*expected)) < TOL);
}
BOOST_UBLAS_TEST_DEF ( test_float_complex_norm_inf ) {
typedef std::complex<float> dComplex;
vector<dComplex> v(4);
for (unsigned int i = 0; i < v.size(); ++i)
v[i] = dComplex(i, i + 1);
const float expected = abs(v[3]);
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_inf(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_inf(v) - expected) < TOL);
v *= 3.;
BOOST_UBLAS_TEST_CHECK(std::abs(norm_inf(v) - (3.0*expected)) < TOL);
}
BOOST_UBLAS_TEST_DEF ( test_float_complex_norm_2 ) {
typedef std::complex<float> dComplex;
vector<dComplex> v(4);
for (unsigned int i = 0; i < v.size(); ++i)
v[i] = dComplex(i, i + 1);
const float expected = sqrt(44.0);
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
v *= 3.;
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - (3.0*expected)) < TOL);
}
int main() {
BOOST_UBLAS_TEST_BEGIN();
BOOST_UBLAS_TEST_DO( test_double_complex_norm_inf );
BOOST_UBLAS_TEST_DO( test_float_complex_norm_inf );
BOOST_UBLAS_TEST_DO( test_double_complex_norm_2 );
BOOST_UBLAS_TEST_DO( test_float_complex_norm_2 );
BOOST_UBLAS_TEST_END();
}