1DILOG(3)              User Contributed Perl Documentation             DILOG(3)
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NAME

6       PDL::GSLSF::DILOG - PDL interface to GSL Special Functions
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DESCRIPTION

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

Functions

FUNCTIONS

15   gsl_sf_dilog
16         Signature: (double x(); double [o]y(); double [o]e())
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18       /* Real part of DiLogarithm(x), for real argument. In Lewins notation,
19       this is Li_2(x). Li_2(x) = - Re[ Integrate[ Log[1-s] / s, {s, 0, x}] ]
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21       gsl_sf_dilog does not process bad values.  It will set the bad-value
22       flag of all output piddles if the flag is set for any of the input
23       piddles.
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25   gsl_sf_complex_dilog
26         Signature: (double r(); double t(); double [o]re(); double [o]im(); double [o]ere(); double [o]eim())
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28       DiLogarithm(z), for complex argument z = r Exp[i theta].
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30       gsl_sf_complex_dilog does not process bad values.  It will set the bad-
31       value flag of all output piddles if the flag is set for any of the
32       input piddles.
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AUTHOR

35       This file copyright (C) 1999 Christian Pellegrin
36       <chri@infis.univ.trieste.it> All rights reserved. There is no warranty.
37       You are allowed to redistribute this software / documentation under
38       certain conditions. For details, see the file COPYING in the PDL
39       distribution. If this file is separated from the PDL distribution, the
40       copyright notice should be included in the file.
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42       The GSL SF modules were written by G. Jungman.
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46perl v5.12.3                      2011-03-31                          DILOG(3)