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comparison scripts/strings/strchr.m @ 12474:26d3164fd58d

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strchr.m: avoid implict string to number conversion
author John W. Eaton <jwe@octave.org>
date Thu, 24 Feb 2011 02:07:37 -0500
parents c792872f8942
children 9da8fbd17b92
comparison
equal deleted inserted replaced
12473:95b1c64c287f 12474:26d3164fd58d
44 endfor 44 endfor
45 else 45 else
46 ## Index the str into a mask of valid values. This is slower than 46 ## Index the str into a mask of valid values. This is slower than
47 ## it could be because of the +1 issue. 47 ## it could be because of the +1 issue.
48 f = false (1, 256); 48 f = false (1, 256);
49 f(chars + 1) = true; 49 f(uint8(chars)+1) = true;
50 ## Default goes via double -- unnecessarily long. 50 ## Default goes via double -- unnecessarily long.
51 si = uint32 (str); 51 si = uint32 (str);
52 ## in-place 52 ## in-place
53 ++si; 53 ++si;
54 mask = reshape (f(si), size (str)); 54 mask = reshape (f(si), size (str));