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

   1 // Copyright 2008-2022 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 #ifdef BOOST_QVM_TEST_SINGLE_HEADER
   7 #   include BOOST_QVM_TEST_SINGLE_HEADER
   8 #else
   9 #   include <boost/qvm/vec_mat_operations.hpp>
  10 #   include <boost/qvm/mat_operations.hpp>
  11 #   include <boost/qvm/vec_operations.hpp>
  12 #   include <boost/qvm/mat.hpp>
  13 #   include <boost/qvm/vec.hpp>
  14 #endif
  15
  16 #include "test_qvm_matrix.hpp"
  17 #include "test_qvm_vector.hpp"
  18 #include "gold.hpp"
  19
  20 namespace
  21     {
  22     template <class T,class U>
  23     struct same_type;
  24
  25     template <class T>
  26     struct
  27     same_type<T,T>
  28         {
  29         };
  30
  31     template <class T,class U>
  32     void
  33     check_same_type( T const &, U const & )
  34         {
  35         same_type<T,U>();
  36         }
  37
  38     template <int M,int N>
  39     void
  40     test()
  41         {
  42         using namespace boost::qvm::sfinae;
  43         test_qvm::matrix<M1,M,N> const x(42,1);
  44         test_qvm::vector<V1,N> const y(42,1);
  45             {
  46             test_qvm::vector<V2,M> r=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=mref(x)*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             {
  56             test_qvm::vector<V2,M> r=x*vref(y);
  57             test_qvm::multiply_mv(r.b,x.b,y.b);
  58             BOOST_QVM_TEST_CLOSE(r.a,r.b,0.0000001f);
  59             }
  60         check_same_type(x*y,boost::qvm::vec<float,M>());
  61         }
  62     }
  63
  64 int
  65 main()
  66     {
  67     test<1,2>();
  68     test<2,1>();
  69     test<2,2>();
  70     test<1,3>();
  71     test<3,1>();
  72     test<3,3>();
  73     test<1,4>();
  74     test<4,1>();
  75     test<4,4>();
  76     test<1,5>();
  77     test<5,1>();
  78     test<5,5>();
  79     return boost::report_errors();
  80     }