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

66 lines
1.4 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 <boost/qvm/vec.hpp>
#include <boost/qvm/map_mat_vec.hpp>
#include "test_qvm_matrix.hpp"
#include "test_qvm_vector.hpp"
#include "gold.hpp"
namespace
{
template <int A,int B,bool LessThan=(A<B)>
struct
get_min
{
static int const value=B;
};
template <int A,int B>
struct
get_min<A,B,true>
{
static int const value=A;
};
template <int Rows,int Cols>
void
test()
{
using namespace boost::qvm;
int const D=get_min<Rows,Cols>::value;
test_qvm::matrix<M1,Rows,Cols> x(42,1);
test_qvm::vector<V1,D> y=diag(x);
for( int i=0; i!=D; ++i )
y.b[i]=x.a[i][i];
BOOST_QVM_TEST_EQ(y.a,y.b);
diag(x) *= 2;
for( int i=0; i!=D; ++i )
x.b[i][i] *= 2;
BOOST_QVM_TEST_EQ(x.a,x.b);
diag(x) + diag(x);
-diag(x);
}
}
int
main()
{
test<1,2>();
test<1,3>();
test<1,4>();
test<1,5>();
test<2,1>();
test<3,1>();
test<4,1>();
test<5,1>();
test<2,2>();
test<3,3>();
test<4,4>();
test<5,5>();
return boost::report_errors();
}