PSI.pm (PDL-2.082) | : | PSI.pm (PDL-2.083) | ||
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skipping to change at line 35 | skipping to change at line 35 | |||

=head1 DESCRIPTION | =head1 DESCRIPTION | |||

This is an interface to the Special Function package present in the GNU Scientif ic Library. | This is an interface to the Special Function package present in the GNU Scientif ic Library. | |||

Poly-Gamma Functions | Poly-Gamma Functions | |||

psi(m,x) := (d/dx)^m psi(0,x) = (d/dx)^{m+1} log(gamma(x)) | psi(m,x) := (d/dx)^m psi(0,x) = (d/dx)^{m+1} log(gamma(x)) | |||

=cut | =cut | |||

#line 43 "PSI.pm" | #line 44 "PSI.pm" | |||

=head1 FUNCTIONS | =head1 FUNCTIONS | |||

=cut | =cut | |||

#line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

=head2 gsl_sf_psi | =head2 gsl_sf_psi | |||

=for sig | =for sig | |||

Signature: (double x(); double [o]y(); double [o]e()) | Signature: (double x(); double [o]y(); double [o]e()) | |||

=for ref | =for ref | |||

Di-Gamma Function psi(x). | Di-Gamma Function psi(x). | |||

=for bad | =for bad | |||

gsl_sf_psi does not process bad values. | gsl_sf_psi does not process bad values. | |||

It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. | It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. | |||

=cut | =cut | |||

#line 78 "PSI.pm" | ||||

#line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

*gsl_sf_psi = \&PDL::gsl_sf_psi; | *gsl_sf_psi = \&PDL::gsl_sf_psi; | |||

#line 85 "PSI.pm" | ||||

#line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

=head2 gsl_sf_psi_1piy | =head2 gsl_sf_psi_1piy | |||

=for sig | =for sig | |||

Signature: (double x(); double [o]y(); double [o]e()) | Signature: (double x(); double [o]y(); double [o]e()) | |||

=for ref | =for ref | |||

Di-Gamma Function Re[psi(1 + I y)] | Di-Gamma Function Re[psi(1 + I y)] | |||

=for bad | =for bad | |||

gsl_sf_psi_1piy does not process bad values. | gsl_sf_psi_1piy does not process bad values. | |||

It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays. | ||||

=cut | =cut | |||

#line 110 "PSI.pm" | ||||

#line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

*gsl_sf_psi_1piy = \&PDL::gsl_sf_psi_1piy; | *gsl_sf_psi_1piy = \&PDL::gsl_sf_psi_1piy; | |||

#line 117 "PSI.pm" | ||||

#line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

=head2 gsl_sf_psi_n | =head2 gsl_sf_psi_n | |||

=for sig | =for sig | |||

Signature: (double x(); double [o]y(); double [o]e(); int n) | Signature: (double x(); double [o]y(); double [o]e(); int n) | |||

=for ref | =for ref | |||

Poly-Gamma Function psi^(n)(x) | Poly-Gamma Function psi^(n)(x) | |||

=for bad | =for bad | |||

gsl_sf_psi_n does not process bad values. | gsl_sf_psi_n does not process bad values. | |||

=cut | =cut | |||

#line 142 "PSI.pm" | ||||

#line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | ||||

*gsl_sf_psi_n = \&PDL::gsl_sf_psi_n; | *gsl_sf_psi_n = \&PDL::gsl_sf_psi_n; | |||

#line 149 "PSI.pm" | ||||

#line 69 "gsl_sf_psi.pd" | #line 69 "gsl_sf_psi.pd" | |||

=head1 AUTHOR | =head1 AUTHOR | |||

This file copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> | This file copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> | |||

All rights reserved. There | All rights reserved. There | |||

is no warranty. You are allowed to redistribute this software / | is no warranty. You are allowed to redistribute this software / | |||

documentation under certain conditions. For details, see the file | documentation under certain conditions. For details, see the file | |||

COPYING in the PDL distribution. If this file is separated from the | COPYING in the PDL distribution. If this file is separated from the | |||

PDL distribution, the copyright notice should be included in the file. | PDL distribution, the copyright notice should be included in the file. | |||

The GSL SF modules were written by G. Jungman. | The GSL SF modules were written by G. Jungman. | |||

=cut | =cut | |||

#line 169 "PSI.pm" | #line 151 "PSI.pm" | |||

# Exit with OK status | # Exit with OK status | |||

1; | 1; | |||

End of changes. 9 change blocks. | ||||

20 lines changed or deleted | | 2 lines changed or added |