math/test-narrow-macros.c

   1 /* Test code declaring narrowing functions does not conflict with user macros.
   2    Copyright (C) 2018-2021 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>