1  /* Test code declaring narrowing functions does not conflict with user macros.
       2     Copyright (C) 2018-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* The code generating declarations of narrowing functions involves
      20     concatenations of fragments of function names that are not
      21     themselves reserved; thus, it needs to be arranged so that those
      22     fragments are not subject to macro expansion.  Verify that
      23     inclusion of <math.h> compiles with such fragments defined as
      24     macros.  */
      25  
      26  #define f test macro
      27  #define d test macro
      28  #define l test macro
      29  #define f16 test macro
      30  #define f32 test macro
      31  #define f64 test macro
      32  #define f128 test macro
      33  #define f32x test macro
      34  #define f64x test macro
      35  #define f128x test macro
      36  #define add test macro
      37  #define sub test macro
      38  #define mul test macro
      39  #define div test macro
      40  #define dadd test macro
      41  #define dsub test macro
      42  #define dmul test macro
      43  #define ddiv test macro
      44  #define dsqrt test macro
      45  #define dfma test macro
      46  
      47  #include <math.h>
      48  
      49  static int
      50  do_test (void)
      51  {
      52    /* This is a compilation test.  */
      53    return 0;
      54  }
      55  
      56  #include <support/test-driver.c>