ceph/src/boost/libs/qvm/test/mag_v_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_operations.hpp>
  10 #endif
  11
  12 #include "test_qvm_vector.hpp"
  13 #include "gold.hpp"
  14
  15 namespace
  16     {
  17     template <int Dim>
  18     void
  19     test()
  20         {
  21         using namespace boost::qvm::sfinae;
  22
  23         test_qvm::vector<V1,Dim> const x(42,1);
  24         float m1=mag(x);
  25         float m2=mag(vref(x));
  26         float m3=sqrtf(test_qvm::dot<float>(x.a,x.a));
  27         BOOST_QVM_TEST_CLOSE(m1,m3,0.000001f);
  28         BOOST_QVM_TEST_CLOSE(m2,m3,0.000001f);
  29         }
  30     }
  31
  32 int
  33 main()
  34     {
  35     test<2>();
  36     test<3>();
  37     test<4>();
  38     test<5>();
  39     return boost::report_errors();
  40     }