(Perl Data Language) aims to turn perl into an efficient numerical language for scientific computing (similar to IDL and MatLab).
| DIFF.pm (PDL-2.082) | : | DIFF.pm (PDL-2.083) |
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| | |
| skipping to change at line 82 | | skipping to change at line 82 |
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| ($res,$abserr) = PDL::GSL::DIFF::diff_backward($x,$f); | | ($res,$abserr) = PDL::GSL::DIFF::diff_backward($x,$f); |
| } | | } |
| elsif($$opt{Method}=~/forw/i){ | | elsif($$opt{Method}=~/forw/i){ |
| ($res,$abserr) = PDL::GSL::DIFF::diff_forward($x,$f); | | ($res,$abserr) = PDL::GSL::DIFF::diff_forward($x,$f); |
| } | | } |
| else{ | | else{ |
| barf("Unknown differentiation method $$opt{Method} in gsldiff\n"); | | barf("Unknown differentiation method $$opt{Method} in gsldiff\n"); |
| } | | } |
| return ($res,$abserr); | | return ($res,$abserr); |
| } | | } |
|
| #line 100 "DIFF.pm" | | #line 95 "DIFF.pm" |
| | | |
| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| =head2 diff_central | | =head2 diff_central |
| | |
| =for sig | | =for sig |
| | |
| Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) | | Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) |
| | |
| =for ref | | =for ref |
| | |
| info not available | | info not available |
| | |
| =for bad | | =for bad |
| | |
| diff_central does not process bad values. | | diff_central 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 127 "DIFF.pm" | | |
| | |
| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| *diff_central = \&PDL::diff_central; | | *diff_central = \&PDL::diff_central; |
|
| #line 134 "DIFF.pm" | | |
| | |
| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| =head2 diff_backward | | =head2 diff_backward |
| | |
| =for sig | | =for sig |
| | |
| Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) | | Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) |
| | |
| =for ref | | =for ref |
| | |
| info not available | | info not available |
| | |
| =for bad | | =for bad |
| | |
| diff_backward does not process bad values. | | diff_backward 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 161 "DIFF.pm" | | |
| | |
| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| *diff_backward = \&PDL::diff_backward; | | *diff_backward = \&PDL::diff_backward; |
|
| #line 168 "DIFF.pm" | | |
| | |
| #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| =head2 diff_forward | | =head2 diff_forward |
| | |
| =for sig | | =for sig |
| | |
| Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) | | Signature: (double x(); double [o] res(); double [o] abserr(); SV* function) |
| | |
| =for ref | | =for ref |
| | |
| info not available | | info not available |
| | |
| =for bad | | =for bad |
| | |
| diff_forward does not process bad values. | | diff_forward 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 195 "DIFF.pm" | | |
| | |
| #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | |
| | |
| *diff_forward = \&PDL::diff_forward; | | *diff_forward = \&PDL::diff_forward; |
|
| #line 202 "DIFF.pm" | | |
| | |
| #line 41 "gsl_diff.pd" | | #line 41 "gsl_diff.pd" |
| | |
| =head2 gsldiff | | =head2 gsldiff |
| | |
| =for ref | | =for ref |
| | |
| This functions serves as an interface to the three differentiation | | This functions serves as an interface to the three differentiation |
| functions present in GSL: gsl_diff_central, gsl_diff_backward and | | functions present in GSL: gsl_diff_central, gsl_diff_backward and |
| gsl_diff_forward. To compute the derivative, the central method uses | | gsl_diff_forward. To compute the derivative, the central method uses |
| | |
| skipping to change at line 225 | | skipping to change at line 207 |
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| | |
| This file copyright (C) 2003 Andres Jordan <andresj@physics.rutgers.edu> | | This file copyright (C) 2003 Andres Jordan <andresj@physics.rutgers.edu> |
| All rights reserved. There is no warranty. You are allowed to redistribute | | All rights reserved. There is no warranty. You are allowed to redistribute |
| this software documentation under certain conditions. For details, see the file | | this software 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 differentiation routines were written by David Morrison. | | The GSL differentiation routines were written by David Morrison. |
| | |
| =cut | | =cut |
|
| #line 274 "DIFF.pm" | | #line 245 "DIFF.pm" |
| | |
| # Exit with OK status | | # Exit with OK status |
| | |
| 1; | | 1; |
| | | |
| End of changes. 8 change blocks. |
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| 20 lines changed or deleted | | 2 lines changed or added |
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"Fossies" - the Fresh Open Source Software Archive 