Mercurial > hg > octave-terminal
changeset 12477:d1466d956d17
Add a warning description for Matlab-style short-circuiting
author | Jordi Gutiérrez Hermoso <jordigh@gmail.com> |
---|---|
date | Fri, 25 Feb 2011 12:07:11 -0600 |
parents | 070214996fba |
children | b4138a75eecc |
files | scripts/ChangeLog scripts/miscellaneous/warning_ids.m |
diffstat | 2 files changed, 26 insertions(+), 0 deletions(-) [+] |
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--- a/scripts/ChangeLog +++ b/scripts/ChangeLog @@ -1,3 +1,8 @@ +2011-02-25 Jordi GutiƩrrez Hermoso <jordigh@gmail.com> + + * miscellaneous/warnings_ids.m: Add a warning description for + Matlab-style short-circuiting + 2011-02-24 Ben Abbott <bpabbott@mac.com> * plot/subplot.m: Document using INDEX as a vector.
--- a/scripts/miscellaneous/warning_ids.m +++ b/scripts/miscellaneous/warning_ids.m @@ -188,6 +188,27 @@ ## elicits a warning if the @code{Octave:num-to-str} warning is ## enabled. By default, the @code{Octave:num-to-str} warning is enabled. ## +## @item Octave:possible-matlab-short-circuit-operator +## If the @code{Octave:possible-matlab-short-circuit-operator} warning +## is enabled, Octave will warn about using the not short circuiting +## operators @code{&} and @code{|} inside @code{if} or @code{while} +## conditions. They normally never short circuit, but @sc{Matlab} always +## short circuits if any logical operators are used in a condition. You +## can turn on the option +## +## @example +## @group +## do_braindead_shortcircuit_evaluation(1) +## @end group +## @end example +## +## @noindent +## if you would like to enable this short-circuit evaluation in +## Octave. Note that the @code{&&} and @code{||} operators always short +## circuit in both Octave and @sc{Matlab}, so it's only necessary to +## enable @sc{Matlab}-style short-circuiting it's too arduous to modify +## existing code that relies on this behaviour. +## ## @item Octave:precedence-change ## If the @code{Octave:precedence-change} warning is enabled, Octave ## will warn about possible changes in the meaning of some code due to