libc/sysdeps/linux/nds32/bits/mathdef.h

   1 /*
   2  * Copyright (C) 2016 Andes Technology, Inc.
   3  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   4  */
   5
   6 /* Copyright (C) 1999, 2000, 2004 Free Software Foundation, Inc.
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Lesser General Public
  10    License as published by the Free Software Foundation; either
  11    version 2.1 of the License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Lesser General Public License for more details.
  17
  18    You should have received a copy of the GNU Lesser General Public
  19    License along with the GNU C Library; if not, write to the Free
  20    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21    02111-1307 USA.  */
  22
  23 #if !defined _MATH_H && !defined _COMPLEX_H
  24 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
  25 #endif
  26
  27 #if defined  __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
  28 # define _MATH_H_MATHDEF        1
  29
  30 /* GCC does not promote `float' values to `double'.  */
  31 typedef float float_t;          /* `float' expressions are evaluated as
  32                                    `float'.  */
  33 typedef double double_t;        /* `double' expressions are evaluated as
  34                                    `double'.  */
  35
  36 /* The values returned by `ilogb' for 0 and NaN respectively.  */
  37 # define FP_ILOGB0      (-2147483647)
  38 # define FP_ILOGBNAN    (2147483647)
  39
  40 #endif  /* ISO C99 */