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imagesci/private/isjpg (4 calls, 0.000 sec)
Generated 05-Aug-2011 13:01:19 using cpu time.
function in file /usr/local/MATLAB/R2011a/toolbox/matlab/imagesci/private/isjpg.m
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Parents (calling functions)

Function NameFunction TypeCalls
imagesci/private/imftypefunction4
Lines where the most time was spent
No measurable time spent in this function

Line NumberCodeCallsTotal Time% TimeTime Plot
15
end
40 s0%
14
tf = isequal(sig, [255; 216]);
40 s0%
13
fclose(fid);
40 s0%
12
sig = fread(fid, 2, 'uint8');
40 s0%
11
else
40 s0%
All other lines  0 s0%
Totals  0 s0% 
Children (called functions)
No children
Code Analyzer results
No Code Analyzer messages.
Coverage results
[ Show coverage for parent directory ]
Total lines in function15
Non-code lines (comments, blank lines)7
Code lines (lines that can run)8
Code lines that did run7
Code lines that did not run1
Coverage (did run/can run)87.50 %
Function listing
   time   calls  line
                  1 function tf = isjpg(filename)
                  2 %ISJPG Returns true for a JPG file.
                  3 %   TF = ISJPG(FILENAME)
                  4 
                  5 %   Copyright 1984-2003 The MathWorks, Inc.
                  6 %   $Revision: 1.1.6.2 $  $Date: 2005/11/15 01:12:35 $
                  7 
             4    8 fid = fopen(filename, 'r', 'ieee-le'); 
             4    9 if (fid < 0) 
                 10     tf = false;
             4   11 else 
             4   12     sig = fread(fid, 2, 'uint8'); 
             4   13     fclose(fid); 
             4   14     tf = isequal(sig, [255; 216]); 
             4   15 end