boost/libs/qvm/test/diag_mat_test.cpp
2021-10-05 21:37:46 +02:00

48 lines
1.1 KiB
C++

//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
//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)
#ifdef BOOST_QVM_TEST_SINGLE_HEADER
# include BOOST_QVM_TEST_SINGLE_HEADER
#else
# include <boost/qvm/map.hpp>
# include <boost/qvm/vec_operations.hpp>
# include <boost/qvm/mat_operations.hpp>
# include <boost/qvm/mat.hpp>
#endif
#include <boost/qvm/mat_traits_array.hpp>
#include "test_qvm_vector.hpp"
#include "gold.hpp"
namespace
{
template <int Dim>
void
test()
{
using namespace boost::qvm;
test_qvm::vector<V1,Dim> x(42,1);
float y[Dim][Dim]; assign(y,diag_mat(x));
for( int i=0; i!=Dim; ++i )
x.b[i]=y[i][i];
BOOST_QVM_TEST_EQ(x.a,x.b);
test_qvm::scalar_multiply_v(x.b,x.a,2.0f);
diag(diag_mat(x)) *= 2;
BOOST_QVM_TEST_EQ(x.a,x.b);
diag_mat(x) + diag_mat(x);
-diag_mat(x);
}
}
int
main()
{
test<2>();
test<3>();
test<4>();
test<5>();
return boost::report_errors();
}