ceph/src/boost/libs/qvm/test/mul_mv_test.cpp

   1 //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
   2
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/qvm/vec_mat_operations.hpp>
   7 #include <boost/qvm/mat_operations.hpp>
   8 #include <boost/qvm/vec_operations.hpp>
   9 #include <boost/qvm/mat.hpp>
  10 #include <boost/qvm/vec.hpp>
  11 #include "test_qvm_matrix.hpp"
  12 #include "test_qvm_vector.hpp"
  13 #include "gold.hpp"
  14
  15 namespace
  16     {
  17     template <class T,class U>
  18     struct same_type;
  19
  20     template <class T>
  21     struct
  22     same_type<T,T>
  23         {
  24         };
  25
  26     template <class T,class U>
  27     void
  28     check_same_type( T const &, U const & )
  29         {
  30         same_type<T,U>();
  31         }
  32
  33     template <int M,int N>
  34     void
  35     test()
  36         {
  37         using namespace boost::qvm::sfinae;
  38         test_qvm::matrix<M1,M,N> const x(42,1);
  39         test_qvm::vector<V1,N> const y(42,1);
  40             {
  41             test_qvm::vector<V2,M> r=x*y;
  42             test_qvm::multiply_mv(r.b,x.b,y.b);
  43             BOOST_QVM_TEST_CLOSE(r.a,r.b,0.0000001f);
  44             }
  45             {
  46             test_qvm::vector<V2,M> r=mref(x)*y;
  47             test_qvm::multiply_mv(r.b,x.b,y.b);
  48             BOOST_QVM_TEST_CLOSE(r.a,r.b,0.0000001f);
  49             }
  50             {
  51             test_qvm::vector<V2,M> r=x*vref(y);
  52             test_qvm::multiply_mv(r.b,x.b,y.b);
  53             BOOST_QVM_TEST_CLOSE(r.a,r.b,0.0000001f);
  54             }
  55         check_same_type(x*y,boost::qvm::vec<float,M>());
  56         }
  57     }
  58
  59 int
  60 main()
  61     {
  62     test<1,2>();
  63     test<2,1>();
  64     test<2,2>();
  65     test<1,3>();
  66     test<3,1>();
  67     test<3,3>();
  68     test<1,4>();
  69     test<4,1>();
  70     test<4,4>();
  71     test<1,5>();
  72     test<5,1>();
  73     test<5,5>();
  74     return boost::report_errors();
  75     }