/usr/share/octave/packages/nnet-0.1.13/isposint.m is in octave-nnet 0.1.13-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 56 57 58 59 60 | ## Copyright (C) 2005 Michel D. Schmid <michaelschmid@users.sourceforge.net>
##
##
## This program 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, or (at your option)
## any later version.
##
## This program 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 this program; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} @var{f} = isposint(@var{n})
## @code{isposint} returns true for positive integer values.
##
## @example
## isposint(1) # this returns TRUE
## isposint(0.5) # this returns FALSE
## isposint(0) # this also return FALSE
## isposint(-1) # this also returns FALSE
## @end example
##
##
## @end deftypefn
## Author: Michel D. Schmid
function f = isposint(n)
## check range of input arguments
error(nargchk(1,1,nargin))
## check input arg
if (length(n)>1)
error("Input argument must not be a vector, only scalars are allowed!")
endif
f = 1;
if ( (!isreal(n)) || (n<=0) || (round(n) != n) )
f = 0;
endif
endfunction
%!shared
%! disp("testing isposint")
%!assert(isposint(1)) # this should pass
%!assert(isposint(0.5),0) # should return zero
%!assert(isposint(-1),0) # should return zero
%!assert(isposint(-1.5),0) # should return zero
%!assert(isposint(0),0) # should return zero
%!fail("isposint([0 0])","Input argument must not be a vector, only scalars are allowed!")
%!fail("isposint('testString')","Input argument must not be a vector, only scalars are allowed!")
|