include/gsl/gsl_sys.h

0001 /* sys/gsl_sys.h
0002  *
0003  * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
0004  *
0005  * This program is free software; you can redistribute it and/or modify
0006  * it under the terms of the GNU General Public License as published by
0007  * the Free Software Foundation; either version 3 of the License, or (at
0008  * your option) any later version.
0009  *
0010  * This program is distributed in the hope that it will be useful, but
0011  * WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0013  * General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU General Public License
0016  * along with this program; if not, write to the Free Software
0017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
0018  */
0019
0020 #ifndef __GSL_SYS_H__
0021 #define __GSL_SYS_H__
0022
0023 #undef __BEGIN_DECLS
0024 #undef __END_DECLS
0025 #ifdef __cplusplus
0026 # define __BEGIN_DECLS extern "C" {
0027 # define __END_DECLS }
0028 #else
0029 # define __BEGIN_DECLS /* empty */
0030 # define __END_DECLS /* empty */
0031 #endif
0032
0033 __BEGIN_DECLS
0034
0035 double gsl_log1p (const double x);
0036 double gsl_expm1 (const double x);
0037 double gsl_hypot (const double x, const double y);
0038 double gsl_hypot3 (const double x, const double y, const double z);
0039 double gsl_acosh (const double x);
0040 double gsl_asinh (const double x);
0041 double gsl_atanh (const double x);
0042
0043 int gsl_isnan (const double x);
0044 int gsl_isinf (const double x);
0045 int gsl_finite (const double x);
0046
0047 double gsl_nan (void);
0048 double gsl_posinf (void);
0049 double gsl_neginf (void);
0050 double gsl_fdiv (const double x, const double y);
0051
0052 double gsl_coerce_double (const double x);
0053 float gsl_coerce_float (const float x);
0054 long double gsl_coerce_long_double (const long double x);
0055
0056 double gsl_ldexp(const double x, const int e);
0057 double gsl_frexp(const double x, int * e);
0058
0059 int gsl_fcmp (const double x1, const double x2, const double epsilon);
0060
0061 __END_DECLS
0062
0063 #endif /* __GSL_SYS_H__ */