libstdc++-v3/testsuite/26_numerics/headers/cmath/51083.cc

   1 // { dg-do run { target c++11 } }
   2 //
   3 // Copyright (C) 2011-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <cmath>
  21
  22 namespace a
  23 {
  24   template<typename> class Mat { };
  25
  26   template<typename T> struct Mat2 : Mat<T> { };
  27
  28   template<typename T>
  29     int fdim(Mat<T>) { return 1; }
  30
  31   template<typename T, typename U>
  32     int floor(Mat<T>, U) { return 1; }
  33   template<typename T, typename U>
  34     int floor(T, Mat<U>) { return 1; }
  35
  36   template<typename T, typename U, typename V>
  37     int fma(Mat<T>, U, V) { return 1; }
  38   template<typename T, typename U, typename V>
  39     int fma(T, Mat<U>, V) { return 1; }
  40   template<typename T, typename U, typename V>
  41     int fma(T, U, Mat<V>) { return 1; }
  42 }
  43
  44 int main()
  45 {
  46   int __attribute__((unused)) i;
  47
  48   using namespace std;
  49
  50   a::Mat2<double> c;
  51   i = fdim(c);
  52   i = floor(c, 0.);
  53   i = floor(0., c);
  54   i = floor(c, 1);
  55   i = floor(1, c);
  56   i = fma(c, 0., 1.);
  57   i = fma(0., c, 1.);
  58   i = fma(0., 1., c);
  59   i = fma(c, 0., 1);
  60   i = fma(0., c, 1);
  61   i = fma(0., 1, c);
  62 }