ublas/test/test_scaled_norm.cpp
Ronald Wampler ad76936f49 Fix compilation error when BOOST_UBLAS_SCALED_NORM is defined
Commit e6b113 changed the `size_type` typedef to be based on the
container and in doing so missed the case in vector_norm_2 when
BOOST_UBLAS_SCALED_NORM is define. Also added test cases.
2016-04-07 15:13:17 -04:00

42 lines
1.1 KiB
C++

// 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 "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_scaled_norm_2 ) {
vector<double> v(2);
v[0] = 0; v[1] = 1.0e155;
const double expected = 1.0e155;
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
}
BOOST_UBLAS_TEST_DEF ( test_float_scaled_norm_2 ) {
vector<float> v(2);
v[0] = 0; v[1] = 1.0e20;
const float expected = 1.0e20;
BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
}
int main() {
BOOST_UBLAS_TEST_BEGIN();
BOOST_UBLAS_TEST_DO( test_double_scaled_norm_2 );
BOOST_UBLAS_TEST_DO( test_float_scaled_norm_2 );
BOOST_UBLAS_TEST_END();
}