/usr/lib/perl5/PDL/GSLSF/EXPINT.pm is in pdl 1:2.007-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# GENERATED WITH PDL::PP! Don't modify!
#
package PDL::GSLSF::EXPINT;
@EXPORT_OK = qw( PDL::PP gsl_sf_expint_E1 PDL::PP gsl_sf_expint_E2 PDL::PP gsl_sf_expint_Ei PDL::PP gsl_sf_Shi PDL::PP gsl_sf_Chi PDL::PP gsl_sf_expint_3 PDL::PP gsl_sf_Si PDL::PP gsl_sf_Ci PDL::PP gsl_sf_atanint );
%EXPORT_TAGS = (Func=>[@EXPORT_OK]);
use PDL::Core;
use PDL::Exporter;
use DynaLoader;
@ISA = ( 'PDL::Exporter','DynaLoader' );
push @PDL::Core::PP, __PACKAGE__;
bootstrap PDL::GSLSF::EXPINT ;
=head1 NAME
PDL::GSLSF::EXPINT - PDL interface to GSL Special Functions
=head1 DESCRIPTION
This is an interface to the Special Function package present in the GNU Scientific Library.
=head1 SYNOPSIS
=cut
=head1 FUNCTIONS
=cut
=head2 gsl_sf_expint_E1
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
E_1(x) := Re[ Integrate[ Exp[-xt]/t, {t,1,Infinity}] ]
=for bad
gsl_sf_expint_E1 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.
=cut
*gsl_sf_expint_E1 = \&PDL::gsl_sf_expint_E1;
=head2 gsl_sf_expint_E2
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
E_2(x) := Re[ Integrate[ Exp[-xt]/t^2, {t,1,Infity}] ]
=for bad
gsl_sf_expint_E2 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.
=cut
*gsl_sf_expint_E2 = \&PDL::gsl_sf_expint_E2;
=head2 gsl_sf_expint_Ei
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Ei(x) := PV Integrate[ Exp[-t]/t, {t,-x,Infinity}]
=for bad
gsl_sf_expint_Ei 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.
=cut
*gsl_sf_expint_Ei = \&PDL::gsl_sf_expint_Ei;
=head2 gsl_sf_Shi
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Shi(x) := Integrate[ Sinh[t]/t, {t,0,x}]
=for bad
gsl_sf_Shi 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.
=cut
*gsl_sf_Shi = \&PDL::gsl_sf_Shi;
=head2 gsl_sf_Chi
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Chi(x) := Re[ M_EULER + log(x) + Integrate[(Cosh[t]-1)/t, {t,0,x}] ]
=for bad
gsl_sf_Chi 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.
=cut
*gsl_sf_Chi = \&PDL::gsl_sf_Chi;
=head2 gsl_sf_expint_3
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Ei_3(x) := Integral[ Exp[-t^3], {t,0,x}]
=for bad
gsl_sf_expint_3 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.
=cut
*gsl_sf_expint_3 = \&PDL::gsl_sf_expint_3;
=head2 gsl_sf_Si
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Si(x) := Integrate[ Sin[t]/t, {t,0,x}]
=for bad
gsl_sf_Si 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.
=cut
*gsl_sf_Si = \&PDL::gsl_sf_Si;
=head2 gsl_sf_Ci
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
Ci(x) := -Integrate[ Cos[t]/t, {t,x,Infinity}]
=for bad
gsl_sf_Ci 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.
=cut
*gsl_sf_Ci = \&PDL::gsl_sf_Ci;
=head2 gsl_sf_atanint
=for sig
Signature: (double x(); double [o]y(); double [o]e())
=for ref
AtanInt(x) := Integral[ Arctan[t]/t, {t,0,x}]
=for bad
gsl_sf_atanint 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.
=cut
*gsl_sf_atanint = \&PDL::gsl_sf_atanint;
;
=head1 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.
=cut
# Exit with OK status
1;
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