/usr/share/octave/packages/bim-1.1.5/bimu_logm.m is in octave-bim 1.1.5-4.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | ## Copyright (C) 2006,2007,2008,2009,2010 Carlo de Falco, Massimiliano Culpo
##
## This file is part of:
## BIM - Diffusion Advection Reaction PDE Solver
##
## BIM 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 2 of the License, or
## (at your option) any later version.
##
## BIM 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 BIM; If not, see <http://www.gnu.org/licenses/>.
##
## author: Carlo de Falco <cdf _AT_ users.sourceforge.net>
## author: Massimiliano Culpo <culpo _AT_ users.sourceforge.net>
## -*- texinfo -*-
## @deftypefn {Function File} @
## {[@var{T}]} = bimu_logm (@var{t1},@var{t2})
##
## Input:
## @itemize @minus
## @item @var{t1}:
## @item @var{t2}:
## @end itemize
##
## Output:
## @itemize @minus
## @item @var{T}:
## @end itemize
##
## @seealso{bimu_bern}
## @end deftypefn
function [T] = bimu_logm(t1,t2)
## Check input
if nargin != 2
error("bimu_logm: wrong number of input parameters.");
elseif size(t1) != size(t2)
error("bimu_logm: t1 and t2 are of different size.");
endif
T = zeros(size(t2));
sing = abs(t2-t1)< 100*eps ;
T(sing) = (t2(sing)+t1(sing))/2;
T(~sing) = (t2(~sing)-t1(~sing))./log(t2(~sing)./t1(~sing));
endfunction
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