libstdc++-v3/testsuite/experimental/simd/tests/sincos.cc

   1 // Copyright (C) 2020-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // only: float|double|ldouble * * *
  19 // xfail: run * * * *
  20 // expensive: * [1-9] * *
  21 #include "bits/verify.h"
  22 #include "bits/metahelpers.h"
  23 #include "bits/mathreference.h"
  24 #include "bits/simd_view.h"
  25 #include "bits/test_values.h"
  26
  27 template <typename V>
  28   void
  29   test()
  30   {
  31     using std::cos;
  32     using std::sin;
  33     using T = typename V::value_type;
  34
  35     vir::test::setFuzzyness<float>(2);
  36     vir::test::setFuzzyness<double>(1);
  37
  38     const auto& testdata = referenceData<function::sincos, T>();
  39     std::experimental::experimental::simd_view<V>(testdata).for_each(
  40       [&](const V input, const V expected_sin, const V expected_cos) {
  41         FUZZY_COMPARE(sin(input), expected_sin) << " input = " << input;
  42         FUZZY_COMPARE(sin(-input), -expected_sin) << " input = " << input;
  43         FUZZY_COMPARE(cos(input), expected_cos) << " input = " << input;
  44         FUZZY_COMPARE(cos(-input), expected_cos) << " input = " << input;
  45       });
  46   }