1 /* sys/gsl_sys.h 2 * 3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough 4 * 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. 9 * 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. 14 * 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. 18 */ 19 20 #ifndef __GSL_SYS_H__ 21 #define __GSL_SYS_H__ 22 23 #undef __BEGIN_DECLS 24 #undef __END_DECLS 25 #ifdef __cplusplus 26 # define __BEGIN_DECLS extern "C" { 27 # define __END_DECLS } 28 #else 29 # define __BEGIN_DECLS /* empty */ 30 # define __END_DECLS /* empty */ 31 #endif 32 33 __BEGIN_DECLS 34 35 double gsl_log1p (const double x); 36 double gsl_expm1 (const double x); 37 double gsl_hypot (const double x, const double y); 38 double gsl_hypot3 (const double x, const double y, const double z); 39 double gsl_acosh (const double x); 40 double gsl_asinh (const double x); 41 double gsl_atanh (const double x); 42 43 int gsl_isnan (const double x); 44 int gsl_isinf (const double x); 45 int gsl_finite (const double x); 46 47 double gsl_nan (void); 48 double gsl_posinf (void); 49 double gsl_neginf (void); 50 double gsl_fdiv (const double x, const double y); 51 52 double gsl_coerce_double (const double x); 53 float gsl_coerce_float (const float x); 54 long double gsl_coerce_long_double (const long double x); 55 56 double gsl_ldexp(const double x, const int e); 57 double gsl_frexp(const double x, int * e); 58 59 int gsl_fcmp (const double x1, const double x2, const double epsilon); 60 61 __END_DECLS 62 63 #endif /* __GSL_SYS_H__ */ 64