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diff scripts/testfun/__have_feature__.m @ 16170:2a4f83826024

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new way to test for features in Octave scripts * __have_feature__.m: New file. * test.m, geometryimages.m, sparseimages.m: Use it. Delete tests for testif and xfail. * config-features.sh: New file. * libinterp/Makefile.am (EXTRA_DIST): Include config-features.sh in the list. (oct-conf-features.h): New target. (BUILT_NODISTFILES, nodist_liboctinterp_la_SOURCES): Include oct-conf-features.h in the list.
author John W. Eaton <jwe@octave.org>
date Sat, 02 Mar 2013 07:41:50 -0500
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children 12005245b645
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+## Copyright (C) 2013 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/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} __have_feature__ (feature)
+## Undocumented internal function.
+## @end deftypefn
+
+function retval = __have_feature__ (feature)
+  features = octave_config_info ("features");
+  if (iscellstr (feature))
+    retval = (all (isfield (features, feature))
+              && cellfun (@(x) features.(x), feature));
+  elseif (ischar (feature))
+    retval = isfield (features, feature) && features.(feature);
+  else
+    retval = false;
+  endif
+endfunction