lib/scoreWindow.c File Reference

#include "common.h"

Include dependency graph for scoreWindow.c:

Go to the source code of this file.

Functions
int	scoreWindow (char c, char *s, int size, int *score, int *start, int *end, int match, int misMatch)
Variables
static char const	rcsid [] = "$Id: scoreWindow.c,v 1.4 2004/07/16 22:42:55 baertsch Exp $"

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Function Documentation

int scoreWindow	(	char	c,
		char *	s,
		int	size,
		int *	score,
		int *	start,
		int *	end,
		int	match,
		int	misMatch
	)

Definition at line 6 of file scoreWindow.c.

References max.

{
int i=0, j=0, max=0, count = 0; 

*end = 0;

for (i=0 ; i<size ; i++)
    {
    int prevScore = (i > 0) ? score[i-1] : 0;

    if (toupper(s[i]) == toupper(c) )
        score[i] = prevScore+match;
    else
        score[i] = prevScore-misMatch;
    if (score[i] >= max)
        {
        max = score[i];
        *end = i;
        /* traceback to find start */
        for (j=i ; j>=0 ; j--)
            if (score[j] == 0)
                {
                *start = j+1;
                break;
                }
        }
    if (score[i] < 0) 
        score[i] = 0;
    }
assert (*end < size);

for (i=*start ; i<=*end ; i++)
    {
    assert (i < size);
    if (toupper(s[i]) == toupper(c) )
        count++;
    }
return count;
}

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Variable Documentation

char const rcsid[] = "$Id: scoreWindow.c,v 1.4 2004/07/16 22:42:55 baertsch Exp $" [static]

Definition at line 4 of file scoreWindow.c.

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