TRIG(3) 						User Contributed Perl Documentation						   TRIG(3)

NAME

       PDL::GSLSF::TRIG - PDL interface to GSL Special Functions

DESCRIPTION

       This is an interface to the Special Function package present in the GNU Scientific Library.

SYNOPSIS

Functions
FUNCTIONS

       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.

AUTHOR

       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.

perl v5.8.0							    2003-01-29								   TRIG(3)