Mercurial > octave-nkf
view scripts/miscellaneous/cast.m @ 19631:db92e7e28e1f
strip trailing whitespace from most source files
* NEWS, doc/interpreter/contributors.in, doc/interpreter/func.txi,
doc/interpreter/genpropdoc.m, doc/interpreter/octave_logo.eps,
doc/interpreter/plot.txi, doc/interpreter/stmt.txi,
examples/data/Makefile.am, libinterp/corefcn/data.cc,
libinterp/corefcn/debug.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/load-path.cc, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/pt-jit.cc, libinterp/corefcn/strfind.cc,
libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/variables.cc,
libinterp/octave-value/ov-classdef.cc,
libinterp/octave-value/ov-classdef.h, libinterp/octave.cc,
libinterp/parse-tree/lex.h, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/pt-classdef.h, liboctave/system/file-ops.cc,
liboctave/system/oct-env.cc, m4/acinclude.m4,
scripts/deprecated/finite.m, scripts/deprecated/fmod.m,
scripts/deprecated/fnmatch.m, scripts/deprecated/luinc.m,
scripts/deprecated/octave_tmp_file_name.m, scripts/deprecated/syl.m,
scripts/deprecated/usage.m, scripts/general/inputParser.m,
scripts/general/interp1.m, scripts/general/interp2.m,
scripts/general/interp3.m, scripts/general/isequal.m,
scripts/general/private/__isequal__.m, scripts/geometry/voronoi.m,
scripts/image/image.m, scripts/image/imshow.m,
scripts/image/ind2rgb.m, scripts/linear-algebra/bandwidth.m,
scripts/linear-algebra/isbanded.m, scripts/miscellaneous/bzip2.m,
scripts/miscellaneous/cast.m, scripts/miscellaneous/copyfile.m,
scripts/miscellaneous/delete.m, scripts/miscellaneous/fullfile.m,
scripts/miscellaneous/getappdata.m, scripts/miscellaneous/gunzip.m,
scripts/miscellaneous/isappdata.m, scripts/miscellaneous/ls.m,
scripts/miscellaneous/mex.m, scripts/miscellaneous/movefile.m,
scripts/miscellaneous/orderfields.m, scripts/miscellaneous/recycle.m,
scripts/miscellaneous/rmappdata.m, scripts/miscellaneous/setfield.m,
scripts/miscellaneous/symvar.m, scripts/miscellaneous/tar.m,
scripts/miscellaneous/tmpnam.m, scripts/miscellaneous/unpack.m,
scripts/miscellaneous/ver.m, scripts/miscellaneous/what.m,
scripts/miscellaneous/xor.m, scripts/miscellaneous/zip.m,
scripts/optimization/fminbnd.m, scripts/optimization/sqp.m,
scripts/path/private/getsavepath.m, scripts/path/savepath.m,
scripts/pkg/pkg.m, scripts/pkg/private/installed_packages.m,
scripts/plot/draw/plotyy.m, scripts/plot/draw/polar.m,
scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m,
scripts/plot/draw/private/__stem__.m, scripts/plot/draw/surface.m,
scripts/plot/draw/surfnorm.m, scripts/plot/util/copyobj.m,
scripts/plot/util/hgload.m, scripts/plot/util/hgsave.m,
scripts/plot/util/isprop.m, scripts/plot/util/linkprop.m,
scripts/plot/util/private/__go_draw_axes__.m, scripts/set/setdiff.m,
scripts/set/union.m, scripts/signal/periodogram.m,
scripts/sparse/eigs.m, scripts/sparse/ilu.m, scripts/sparse/qmr.m,
scripts/sparse/sprand.m, scripts/sparse/sprandn.m,
scripts/specfun/beta.m, scripts/specfun/ellipke.m,
scripts/specfun/isprime.m, scripts/statistics/base/lscov.m,
scripts/testfun/__run_test_suite__.m, scripts/testfun/test.m:
Strip trailing whitespace.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 20 Jan 2015 10:29:54 -0500 |
parents | 3d24778a8b12 |
children | 4197fc428c7d |
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## Copyright (C) 2007-2013 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} {} cast (@var{val}, "@var{type}") ## Convert @var{val} to data type @var{type}. ## ## @var{val} must be one of the numeric classes: ## ## @example ## @group ## "double" ## "single" ## "logical" ## "char" ## "int8" ## "int16" ## "int32" ## "int64" ## "uint8" ## "uint16" ## "uint32" ## "uint64" ## @end group ## @end example ## ## The value @var{val} may be modified to fit within the range of the new type. ## ## Examples: ## ## @example ## @group ## cast (-5, "uint8") ## @result{} 0 ## cast (300, "int8") ## @result{} 127 ## @end group ## @end example ## ## @seealso{typecast, int8, uint8, int16, uint16, int32, uint32, int64, uint64, double, single, logical, char, class, typeinfo} ## @end deftypefn ## Author: jwe function retval = cast (val, type) if (nargin != 2) print_usage (); endif if (! ischar (type)) error ("cast: TYPE must be a string"); elseif (! any (strcmp (type, {"int8"; "uint8"; "int16"; "uint16"; "int32"; "uint32"; "int64"; "uint64"; "double"; "single"; "logical"; "char"}))) error ("cast: TYPE '%s' is not a built-in type", type); endif retval = feval (type, val); endfunction %!assert (cast (single (2.5), "double"), 2.5) %!assert (cast (2.5, "single"), single (2.5)) %!assert (cast ([5 0 -5], "logical"), [true false true]) %!assert (cast ([65 66 67], "char"), "ABC") %!assert (cast ([-2.5 1.1 2.5], "int8"), int8 ([-3 1 3])) %!assert (cast ([-2.5 1.1 2.5], "uint8"), uint8 ([0 1 3])) %!assert (cast ([-2.5 1.1 2.5], "int16"), int16 ([-3 1 3])) %!assert (cast ([-2.5 1.1 2.5], "uint16"), uint16 ([0 1 3])) %!assert (cast ([-2.5 1.1 2.5], "int32"), int32 ([-3 1 3])) %!assert (cast ([-2.5 1.1 2.5], "uint32"), uint32 ([0 1 3])) %!assert (cast ([-2.5 1.1 2.5], "int64"), int64 ([-3 1 3])) %!assert (cast ([-2.5 1.1 2.5], "uint64"), uint64 ([0 1 3])) ## Test input validation %!error cast () %!error cast (1) %!error cast (1,2,3) %!error <TYPE 'foobar' is not a built-in type> cast (1, "foobar") %!error <TYPE must be a string> cast (1, {"foobar"})