1: /* Copyright (C) 1997, 1998, 1999, 2000, 2004 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, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.  */
   18: 
   19: #if !defined _MATH_H && !defined _COMPLEX_H
   20: # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
   21: #endif
   22: 
   23: #if defined  __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
   24: # define _MATH_H_MATHDEF        1
   25: 
   26: /* Normally, there is no long double type and the `float' and `double'
   27:    expressions are evaluated as `double'.  */
   28: typedef double float_t;         /* `float' expressions are evaluated as
   29:                                    `double'.  */
   30: typedef double double_t;        /* `double' expressions are evaluated as
   31:                                    `double'.  */
   32: 
   33: /* The values returned by `ilogb' for 0 and NaN respectively.  */
   34: # define FP_ILOGB0      (-2147483647)
   35: # define FP_ILOGBNAN    2147483647
   36: 
   37: #endif  /* ISO C99 */
   38: 
   39: #ifndef __NO_LONG_DOUBLE_MATH
   40: /* Signal that we do not really have a `long double'.  The disables the
   41:    declaration of all the `long double' function variants.  */
   42: # define __NO_LONG_DOUBLE_MATH  1
   43: #endif