42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/numeric/ublas/vector.hpp>
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#include <boost/numeric/ublas/io.hpp>
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#include "utils.hpp"
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using namespace boost::numeric::ublas;
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static const double TOL(1.0e-5); ///< Used for comparing two real numbers.
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BOOST_UBLAS_TEST_DEF ( test_double_scaled_norm_2 ) {
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vector<double> v(2);
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v[0] = 0; v[1] = 1.0e155;
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const double expected = 1.0e155;
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BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
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BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
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}
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BOOST_UBLAS_TEST_DEF ( test_float_scaled_norm_2 ) {
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vector<float> v(2);
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v[0] = 0; v[1] = 1.0e20;
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const float expected = 1.0e20;
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BOOST_UBLAS_DEBUG_TRACE( "norm is " << norm_2(v) );
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BOOST_UBLAS_TEST_CHECK(std::abs(norm_2(v) - expected) < TOL);
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}
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int main() {
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BOOST_UBLAS_TEST_BEGIN();
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BOOST_UBLAS_TEST_DO( test_double_scaled_norm_2 );
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BOOST_UBLAS_TEST_DO( test_float_scaled_norm_2 );
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BOOST_UBLAS_TEST_END();
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}
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