PDL::GSLSF::TRIG - PDL interface to GSL Special Functions This is an interface to the Special Function package present in the GNU Scientific Library.

gsl_sf_sin
Signature: (double x(); double [o]y(); double [o]e()) Sin(x) with GSL semantics.

gsl_sf_cos
Signature: (double x(); double [o]y(); double [o]e()) Cos(x) with GSL semantics.

gsl_sf_hypot
Signature: (double x(); double xx(); double [o]y(); double [o]e()) Hypot(x,xx) with GSL semantics.

gsl_sf_complex_sin
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye()) Sin(z) for complex z

gsl_sf_complex_cos
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye()) Cos(z) for complex z

gsl_sf_complex_logsin
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye()) Log(Sin(z)) for complex z

gsl_sf_lnsinh
Signature: (double x(); double [o]y(); double [o]e()) Log(Sinh(x)) with GSL semantics.

gsl_sf_lncosh
Signature: (double x(); double [o]y(); double [o]e()) Log(Cos(x)) with GSL semantics.

gsl_sf_polar_to_rect
Signature: (double r(); double t(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye()) Convert polar to rectlinear coordinates.

gsl_sf_rect_to_polar
Signature: (double x(); double y(); double [o]r(); double [o]t(); double [o]re(); double [o]te()) Convert rectlinear to polar coordinates. return argument in range [-pi, pi].

gsl_sf_angle_restrict_symm
Signature: (double [o]y()) Force an angle to lie in the range (-pi,pi].

gsl_sf_angle_restrict_pos
Signature: (double [o]y()) Force an angle to lie in the range [0,2 pi).

gsl_sf_sin_err
Signature: (double x(); double dx(); double [o]y(); double [o]e()) Sin(x) for quantity with an associated error.

gsl_sf_cos_err
Signature: (double x(); double dx(); double [o]y(); double [o]e()) Cos(x) for quantity with an associated error. This file copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> All rights reserved. There is no warranty. You are allowed to redistribute this software / documentation under certain conditions. For details, see the file COPYING in the PDL distribution. If this file is separated from the PDL distribution, the copyright notice should be included in the file. The GSL SF modules were written by G. Jungman.