Mercurial > octave-nkf
view scripts/strings/strchr.m @ 18840:4a4edf0f2077 nkf-ready
fix LLVM 3.4 build (bug #41061)
* configure.ac: Call new functions OCTAVE_LLVM_RAW_FD_OSTREAM_API and
OCTAVE_LLVM_LEGACY_PASSMANAGER_API, check for Verifier.h header file
* m4/acinclude.m4 (OCTAVE_LLVM_RAW_FD_OSTREAM_API): New function to
detect correct raw_fd_ostream API
* m4/acinclude.m4 (OCTAVE_LLVM_LEGACY_PASSMANAGER_API): New function
to detect legacy passmanager API
* libinterp/corefcn/jit-util.h: Use legacy passmanager namespace if
necessary
* libinterp/corefcn/pt-jit.h (class tree_jit): Use legacy passmanager
class if necessary
* libinterp/corefcn/pt-jit.cc: Include appropriate header files
* libinterp/corefcn/pt-jit.cc (tree_jit::initialize): Use legacy
passmanager if necessary
* libinterp/corefcn/pt-jit.cc (tree_jit::optimize): Use correct API
* libinterp/corefcn/jit-typeinfo.cc: Include appropriate header file
author | Stefan Mahr <dac922@gmx.de> |
---|---|
date | Sun, 11 May 2014 02:28:33 +0200 |
parents | d63878346099 |
children | 4197fc428c7d |
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## Copyright (C) 2008-2013 Jaroslav Hajek ## ## 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} {@var{idx} =} strchr (@var{str}, @var{chars}) ## @deftypefnx {Function File} {@var{idx} =} strchr (@var{str}, @var{chars}, @var{n}) ## @deftypefnx {Function File} {@var{idx} =} strchr (@var{str}, @var{chars}, @var{n}, @var{direction}) ## @deftypefnx {Function File} {[@var{i}, @var{j}] =} strchr (@dots{}) ## Search for the string @var{str} for occurrences of characters from ## the set @var{chars}. The return value(s), as well as the @var{n} and ## @var{direction} arguments behave identically as in @code{find}. ## ## This will be faster than using regexp in most cases. ## ## @seealso{find} ## @end deftypefn function varargout = strchr (str, chars, varargin) if (nargin < 2) print_usage (); elseif (! ischar (str)) error ("strchr: STR argument must be a string or string array"); elseif (! ischar (chars)) error ("strchr: CHARS argument must be a string"); endif if (isempty (chars)) mask = false (size (str)); elseif (length (chars) <= 4) ## With a few characters, it pays off to build the mask incrementally. ## We do it via a for loop to save memory. mask = str == chars(1); for i = 2:length (chars) mask |= str == chars(i); endfor else ## Index the str into a mask of valid values. ## This is slower than it could be because of the +1 issue. f = false (256, 1); f(uint8 (chars) + 1) = true; ## Default goes via double -- unnecessarily long. si = uint32 (str); ## in-place is faster than str+1 ++si; mask = reshape (f(si), size (str)); endif varargout = cell (1, nargout); varargout{1} = []; [varargout{:}] = find (mask, varargin{:}); endfunction %!assert (strchr ("Octave is the best software", ""), zeros (1,0)) %!assert (strchr ("Octave is the best software", "best"), [3, 6, 9, 11, 13, 15, 16, 17, 18, 20, 23, 27]) %!assert (strchr ("Octave is the best software", "software"), [3, 4, 6, 9, 11, 13, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27]) %% Test input validation %!error strchr () %!error strchr (1) %!error <STR argument must be a string> strchr (1, "aeiou") %!error <CHARS argument must be a string> strchr ("aeiou", 1)