(Perl Data Language) aims to turn perl into an efficient numerical language for scientific computing (similar to IDL and MatLab).
| 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 |
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| =head1 DESCRIPTION | | =head1 DESCRIPTION |
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| 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. |
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| Poly-Gamma Functions | | Poly-Gamma Functions |
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| 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)) |
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| =cut | | =cut |
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| #line 43 "PSI.pm" | | #line 44 "PSI.pm" |
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| =head1 FUNCTIONS | | =head1 FUNCTIONS |
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| =cut | | =cut |
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| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| =head2 gsl_sf_psi | | =head2 gsl_sf_psi |
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| =for sig | | =for sig |
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| Signature: (double x(); double [o]y(); double [o]e()) | | Signature: (double x(); double [o]y(); double [o]e()) |
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| =for ref | | =for ref |
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| Di-Gamma Function psi(x). | | Di-Gamma Function psi(x). |
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| =for bad | | =for bad |
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| 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. |
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| =cut | | =cut |
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| #line 78 "PSI.pm" | | |
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| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| *gsl_sf_psi = \&PDL::gsl_sf_psi; | | *gsl_sf_psi = \&PDL::gsl_sf_psi; |
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| #line 85 "PSI.pm" | | |
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| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| =head2 gsl_sf_psi_1piy | | =head2 gsl_sf_psi_1piy |
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| =for sig | | =for sig |
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| Signature: (double x(); double [o]y(); double [o]e()) | | Signature: (double x(); double [o]y(); double [o]e()) |
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| =for ref | | =for ref |
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| Di-Gamma Function Re[psi(1 + I y)] | | Di-Gamma Function Re[psi(1 + I y)] |
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| =for bad | | =for bad |
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| 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. | | It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. |
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| =cut | | =cut |
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| #line 110 "PSI.pm" | | |
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| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| *gsl_sf_psi_1piy = \&PDL::gsl_sf_psi_1piy; | | *gsl_sf_psi_1piy = \&PDL::gsl_sf_psi_1piy; |
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| #line 117 "PSI.pm" | | |
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| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| =head2 gsl_sf_psi_n | | =head2 gsl_sf_psi_n |
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| =for sig | | =for sig |
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| Signature: (double x(); double [o]y(); double [o]e(); int n) | | Signature: (double x(); double [o]y(); double [o]e(); int n) |
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| =for ref | | =for ref |
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| Poly-Gamma Function psi^(n)(x) | | Poly-Gamma Function psi^(n)(x) |
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| =for bad | | =for bad |
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| gsl_sf_psi_n does not process bad values. | | gsl_sf_psi_n 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. |
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| =cut | | =cut |
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| #line 142 "PSI.pm" | | |
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| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
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| *gsl_sf_psi_n = \&PDL::gsl_sf_psi_n; | | *gsl_sf_psi_n = \&PDL::gsl_sf_psi_n; |
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| #line 149 "PSI.pm" | | |
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| #line 69 "gsl_sf_psi.pd" | | #line 69 "gsl_sf_psi.pd" |
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| =head1 AUTHOR | | =head1 AUTHOR |
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| 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. |
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| The GSL SF modules were written by G. Jungman. | | The GSL SF modules were written by G. Jungman. |
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| =cut | | =cut |
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| #line 169 "PSI.pm" | | #line 151 "PSI.pm" |
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| # Exit with OK status | | # Exit with OK status |
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| 1; | | 1; |
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| End of changes. 9 change blocks. |
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| 20 lines changed or deleted | | 2 lines changed or added |
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