ports/sysdeps/alpha/bits/mathdef.h

   1 /* Copyright (C) 1997-2014 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 #if !defined _MATH_H && !defined _COMPLEX_H
  19 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
  20 #endif
  21
  22 /* FIXME! This file describes properties of the compiler, not the machine;
  23    it should not be part of libc!  */
  24
  25 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
  26 # define _MATH_H_MATHDEF        1
  27
  28 /* Alpha has "float" and "double" operations.  */
  29 typedef float float_t;    /* float expressions are evaluated as float.  */
  30 typedef double double_t;  /* double expressions are evaluated as double.  */
  31
  32 /* The values returned by `ilogb' for 0 and NaN respectively.  */
  33 # define FP_ILOGB0     (-2147483647)
  34 # define FP_ILOGBNAN   (2147483647)
  35
  36 #endif  /* ISO C99 && MATH_H */
  37
  38 #if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF
  39 # define _COMPLEX_H_MATHDEF 1
  40 # if defined(__GNUC__) && !__GNUC_PREREQ(3,4)
  41
  42 /* Due to an ABI change, we need to remap the complex float symbols.  */
  43 #  define _Mdouble_             float
  44 #  define __MATHCALL(function, args) \
  45     __MATHDECL (_Complex float, function, args)
  46 #  define __MATHDECL(type, function, args) \
  47     __MATHDECL_1(type, function##f, args, __c1_##function##f); \
  48     __MATHDECL_1(type, __##function##f, args, __c1_##function##f)
  49 #  define __MATHDECL_1(type, function, args, alias) \
  50     extern type function args __asm__(#alias) __THROW
  51
  52 #  include <bits/cmathcalls.h>
  53
  54 #  undef _Mdouble_
  55 #  undef __MATHCALL
  56 #  undef __MATHDECL
  57 #  undef __MATHDECL_1
  58
  59 # endif /* GNUC before 3.4 */
  60 #endif /* COMPLEX_H */