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- /* specfunc/gsl_sf_trig.h
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- /* Author: G. Jungman */
- #ifndef __GSL_SF_TRIG_H__
- #define __GSL_SF_TRIG_H__
- #include "gsl_sf_result.h"
- #undef __BEGIN_DECLS
- #undef __END_DECLS
- #ifdef __cplusplus
- # define __BEGIN_DECLS extern "C" {
- # define __END_DECLS }
- #else
- # define __BEGIN_DECLS /* empty */
- # define __END_DECLS /* empty */
- #endif
- __BEGIN_DECLS
- /* Sin(x) with GSL semantics. This is actually important
- * because we want to control the error estimate, and trying
- * to guess the error for the standard library implementation
- * every time it is used would be a little goofy.
- */
- int gsl_sf_sin_e(double x, gsl_sf_result * result);
- double gsl_sf_sin(const double x);
- /* Cos(x) with GSL semantics.
- */
- int gsl_sf_cos_e(double x, gsl_sf_result * result);
- double gsl_sf_cos(const double x);
- /* Hypot(x,y) with GSL semantics.
- */
- int gsl_sf_hypot_e(const double x, const double y, gsl_sf_result * result);
- double gsl_sf_hypot(const double x, const double y);
- /* Sin(z) for complex z
- *
- * exceptions: GSL_EOVRFLW
- */
- int gsl_sf_complex_sin_e(const double zr, const double zi, gsl_sf_result * szr, gsl_sf_result * szi);
- /* Cos(z) for complex z
- *
- * exceptions: GSL_EOVRFLW
- */
- int gsl_sf_complex_cos_e(const double zr, const double zi, gsl_sf_result * czr, gsl_sf_result * czi);
- /* Log(Sin(z)) for complex z
- *
- * exceptions: GSL_EDOM, GSL_ELOSS
- */
- int gsl_sf_complex_logsin_e(const double zr, const double zi, gsl_sf_result * lszr, gsl_sf_result * lszi);
- /* Sinc(x) = sin(pi x) / (pi x)
- *
- * exceptions: none
- */
- int gsl_sf_sinc_e(double x, gsl_sf_result * result);
- double gsl_sf_sinc(const double x);
- /* Log(Sinh(x)), x > 0
- *
- * exceptions: GSL_EDOM
- */
- int gsl_sf_lnsinh_e(const double x, gsl_sf_result * result);
- double gsl_sf_lnsinh(const double x);
- /* Log(Cosh(x))
- *
- * exceptions: none
- */
- int gsl_sf_lncosh_e(const double x, gsl_sf_result * result);
- double gsl_sf_lncosh(const double x);
- /* Convert polar to rectlinear coordinates.
- *
- * exceptions: GSL_ELOSS
- */
- int gsl_sf_polar_to_rect(const double r, const double theta, gsl_sf_result * x, gsl_sf_result * y);
- /* Convert rectilinear to polar coordinates.
- * return argument in range [-pi, pi]
- *
- * exceptions: GSL_EDOM
- */
- int gsl_sf_rect_to_polar(const double x, const double y, gsl_sf_result * r, gsl_sf_result * theta);
- /* Sin(x) for quantity with an associated error.
- */
- int gsl_sf_sin_err_e(const double x, const double dx, gsl_sf_result * result);
- /* Cos(x) for quantity with an associated error.
- */
- int gsl_sf_cos_err_e(const double x, const double dx, gsl_sf_result * result);
- /* Force an angle to lie in the range (-pi,pi].
- *
- * exceptions: GSL_ELOSS
- */
- int gsl_sf_angle_restrict_symm_e(double * theta);
- double gsl_sf_angle_restrict_symm(const double theta);
- /* Force an angle to lie in the range [0, 2pi)
- *
- * exceptions: GSL_ELOSS
- */
- int gsl_sf_angle_restrict_pos_e(double * theta);
- double gsl_sf_angle_restrict_pos(const double theta);
- int gsl_sf_angle_restrict_symm_err_e(const double theta, gsl_sf_result * result);
- int gsl_sf_angle_restrict_pos_err_e(const double theta, gsl_sf_result * result);
- __END_DECLS
- #endif /* __GSL_SF_TRIG_H__ */
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