3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 # define GSL_POSINF INFINITY
25 # define GSL_NEGINF (-INFINITY)
26 #elif defined(HUGE_VAL)
27 # define GSL_POSINF HUGE_VAL
28 # define GSL_NEGINF (-HUGE_VAL)
30 # define GSL_POSINF (gsl_posinf())
31 # define GSL_NEGINF (gsl_neginf())
36 #elif defined(INFINITY)
37 # define GSL_NAN (INFINITY/INFINITY)
39 # define GSL_NAN (gsl_nan())
42 #define GSL_POSZERO (+0)
43 #define GSL_NEGZERO (-0)
45 #endif /* __GSL_NAN_H__ */