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comparison scripts/legacy/@inline/vectorize.m @ 30911:b7edac56a810

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Add functions to @inline class for Matlab compatibility (Bug #62260). * scripts/legacy/@inline/cat.m, scripts/legacy/@inline/cat.m, scripts/legacy/@inline/disp.m, scripts/legacy/@inline/exist.m, scripts/legacy/@inline/horzcat.m, scripts/legacy/@inline/nargin.m, scripts/legacy/@inline/nargout.m, scripts/legacy/@inline/symvar.m, scripts/legacy/@inline/vertcat.m: New functions * scripts/legacy/module.mk: Add new functions to build system. * scripts/legacy/@inline/argnames.m: scripts/legacy/@inline/char.m, scripts/legacy/@inline/feval.m, scripts/legacy/@inline/formula.m, scripts/legacy/@inline/subsref.m, scripts/legacy/@inline/vectorize.m: Redo documentation. Change FCN input name to FOBJ. * scripts/legacy/@inline/inline.m: Single tweak to documentation. * scripts/legacy/__vectorize__.m: Add note that this function was translated from C++. * scripts/legacy/vectorize.m: Remove incorrect note about function being translated from C++.
author Rik <rik@octave.org>
date Wed, 06 Apr 2022 21:25:58 -0700
parents 78c3dcadf130
children 597f3ee61a48
comparison
equal deleted inserted replaced
30910:78c3dcadf130 30911:b7edac56a810
22 ## <https://www.gnu.org/licenses/>. 22 ## <https://www.gnu.org/licenses/>.
23 ## 23 ##
24 ######################################################################## 24 ########################################################################
25 25
26 ## -*- texinfo -*- 26 ## -*- texinfo -*-
27 ## @deftypefn {} {@var{vfcn} =} vectorize (@var{fcn}) 27 ## @deftypefn {} {@var{vfcn} =} vectorize (@var{fobj})
28 ## Create a vectorized version of the inline function @var{fcn} by 28 ## Create a vectorized version of the inline function @var{fobj} by
29 ## replacing all occurrences of @code{*}, @code{/}, etc., with 29 ## replacing all occurrences of @code{*}, @code{/}, etc., with
30 ## @code{.*}, @code{./}, etc. 30 ## @code{.*}, @code{./}, etc.
31 ## 31 ##
32 ## This may be useful, for example, when using inline functions with 32 ## This may be useful, for example, when using inline functions with
33 ## numerical integration or optimization where a vector-valued function 33 ## numerical integration or optimization where a vector-valued function
34 ## is expected. 34 ## is expected.
35 ## 35 ##
36 ## @example 36 ## @example
37 ## @group 37 ## @group
38 ## fcn = vectorize (inline ("x^2 - 1")) 38 ## fobj = vectorize (inline ("x^2 - 1"))
39 ## @result{} fcn = f(x) = x.^2 - 1 39 ## @result{} fobj = f(x) = x.^2 - 1
40 ## quadv (fcn, 0, 3) 40 ## quadv (fobj, 0, 3)
41 ## @result{} 6 41 ## @result{} 6
42 ## @end group 42 ## @end group
43 ## @end example 43 ## @end example
44 ## @seealso{inline, formula, argnames} 44 ## @seealso{inline, formula, argnames}
45 ## @end deftypefn 45 ## @end deftypefn
46 46
47 ## The following function was translated directly from the original C++ 47 function vfcn = vectorize (fobj)
48 ## version. Yes, it will be slow, but the use of inline functions is
49 ## strongly discouraged anyway, and most expressions will probably be
50 ## short. It may also be buggy. Well, don't use this function! Use
51 ## function handles instead!
52 48
53 function vfcn = vectorize (fcn) 49 vfcn = inline (__vectorize__ (fobj.expr));
54
55 vfcn = inline (__vectorize__ (fcn.expr));
56 50
57 endfunction 51 endfunction