Mercurial > octave-antonio
view test/recursion.tst @ 20154:45565ecec019
New function psi to compute the digamma function.
* libinterp/corefcn/psi.cc: file for the new function file (implementation
is actually in lo-specfun.cc).
* liboctave/numeric/lo-specfun.cc, liboctave/numeric/lo-specfun.h: added
implementation of the digamma (psi )function. Partly based on diGamma()
from XLiFE++ 1.1 (file gammaFunctions.cpp which was previously melina++)
which is under GPL 3 or later and why D. Martin is also added to copyright.
* doc/interpreter/arith.txi: add function entry to the manual.
* libinterp/corefcn/module.mk: add file to the build system.
* NEWS: note new function.
author | Carnë Draug <carandraug@octave.org> |
---|---|
date | Sun, 15 Mar 2015 03:31:16 +0000 |
parents | 4197fc428c7d |
children |
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## Copyright (C) 2006-2015 John W. Eaton ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or (at ## your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. %!function y = f (x) %! if (x == 1) %! y = x; %! return; %! else %! y = x * f (x-1); %! endif %!endfunction %! %!assert (f (5), 120) %!function y = f (x) %! if (x == 1) %! y = x; %! return; %! else %! y = f (x-1) * x; %! endif %!endfunction %! %!assert (f (5), 120) %%FIXME: Need test for maximum recursion depth