Author: Uri Blass
Date: 08:20:14 04/09/03
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On April 09, 2003 at 11:11:01, Uri Blass wrote: >Supppose file1 and file2 are numbers between 0 and 7. > >Am I correct to assume that in general it is better to not to use > >int A[8]; >If (file1<=file2) x+=A[file2-file1]; > > >but instead of it something like > >int PADDED_A[15]; >int * const A = PADDED_A+7; >x+=A[file2-file1]; > >\\A[x]=0 for x=-1,x=-2,...x=-7 > > >Uri The main question is if it is dependent on the probability that file1<=file2 because if file1>file2 in most of the cases then in most of the cases I do not need to find A[file2-file1] and the question is if the panelty for if is big enough to justify a lot of array calls. For the discussion x is unsigned integer and A is an array of unsigned integers. Uri
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