qvm/test/normalize_v_test.cpp
2016-04-04 17:24:57 -07:00

48 lines
1.3 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)
#include <boost/qvm/vec_operations.hpp>
#include "test_qvm_vector.hpp"
#include "gold.hpp"
namespace
{
template <class T,class U> struct same_type_tester;
template <class T> struct same_type_tester<T,T> { };
template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
template <int Dim>
void
test()
{
using namespace boost::qvm::sfinae;
{
test_qvm::vector<V1,Dim> const x(42,1);
test_same_type(x,normalized(x));
test_qvm::vector<V1,Dim> y=normalized(x);
float m=sqrtf(test_qvm::dot<float>(x.a,x.a));
test_qvm::scalar_multiply_v(y.b,x.a,1/m);
BOOST_QVM_TEST_CLOSE(y.a,y.b,0.000001f);
}
{
test_qvm::vector<V1,Dim> x(42,1);
float m=sqrtf(test_qvm::dot<float>(x.a,x.a));
test_qvm::scalar_multiply_v(x.b,x.a,1/m);
normalize(x);
BOOST_QVM_TEST_CLOSE(x.a,x.b,0.000001f);
}
}
}
int
main()
{
test<2>();
test<3>();
test<4>();
test<5>();
return boost::report_errors();
}