sysdeps/m68k/m680x0/fpu/s_atan.c

   1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library.  If not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <math.h>
  19
  20 #ifndef FUNC
  21 #define FUNC atan
  22 #endif
  23 #ifndef float_type
  24 #define float_type double
  25 #endif
  26
  27 #define __CONCATX(a,b) __CONCAT(a,b)
  28
  29 float_type
  30 __CONCATX(__,FUNC) (x)
  31      float_type x;
  32 {
  33   return __m81_u(__CONCATX(__,FUNC))(x);
  34 }
  35
  36 #define weak_aliasx(a,b) weak_alias(a,b)
  37 weak_aliasx (__CONCATX(__,FUNC), FUNC)