LOG(3) User Contributed Perl Documentation LOG(3)NAMEPDL::GSLSF::LOG - PDL interface to GSL Special Functions
DESCRIPTION
This is an interface to the Special Function package present in the GNU
Scientific Library.
SYNOPSISFUNCTIONS
gsl_sf_log
Signature: (double x(); double [o]y(); double [o]e())
Provide a logarithm function with GSL semantics.
gsl_sf_log does not process bad values. It will set the bad-value flag
of all output piddles if the flag is set for any of the input piddles.
gsl_sf_complex_log
Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
Complex Logarithm exp(lnr + I theta) = zr + I zi Returns argument in
[-pi,pi].
gsl_sf_complex_log does not process bad values. It will set the bad-
value flag of all output piddles if the flag is set for any of the
input piddles.
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 v5.18.1 2014-01-17 LOG(3)