1 /* specfunc/gsl_sf_elementary.h 2 * 3 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman 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 /* Author: G. Jungman */ 21 22 /* Miscellaneous elementary functions and operations. 23 */ 24 #ifndef __GSL_SF_ELEMENTARY_H__ 25 #define __GSL_SF_ELEMENTARY_H__ 26 27 #include "gsl_sf_result.h" 28 29 #undef __BEGIN_DECLS 30 #undef __END_DECLS 31 #ifdef __cplusplus 32 # define __BEGIN_DECLS extern "C" { 33 # define __END_DECLS } 34 #else 35 # define __BEGIN_DECLS /* empty */ 36 # define __END_DECLS /* empty */ 37 #endif 38 39 __BEGIN_DECLS 40 41 42 /* Multiplication. 43 * 44 * exceptions: GSL_EOVRFLW, GSL_EUNDRFLW 45 */ 46 int gsl_sf_multiply_e(const double x, const double y, gsl_sf_result * result); 47 double gsl_sf_multiply(const double x, const double y); 48 49 50 /* Multiplication of quantities with associated errors. 51 */ 52 int gsl_sf_multiply_err_e(const double x, const double dx, const double y, const double dy, gsl_sf_result * result); 53 54 55 __END_DECLS 56 57 #endif /* __GSL_SF_ELEMENTARY_H__ */ 58