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Lab5Part2.c
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Lab5Part2.c
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/*
* File: main.c
* Author: weiliche
*
* Created on October 28, 2015, 3:32 PM
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
void readInSequence(int length, char sequence[])
{
char letter;
int i;
printf("Enter %d characters (one of AGTC*) as a search sequence: ",length);
for (i=0; i<length; i++)
{
scanf(" %c", &letter);
sequence[i]=letter;
}
}
void searching(char sequence[],int length)
{
int i;
char DNA[] = {'A', 'G', 'C', 'G', 'G', 'G', 'A', 'C', 'C', 'G', 'T', 'C',
'C', 'C', 'G', 'A', 'C', 'A', 'T', 'T', 'G', 'A', 'T', 'G',
'A', 'A', 'G', 'G', 'G', 'T', 'C', 'A', 'T', 'A', 'G', 'A',
'C', 'C', 'C', 'A', 'A', 'T', 'A', 'C', 'G', 'C', 'C', 'A',
'C', 'C', 'A', 'C', 'C', 'C', 'C', 'A', 'A', 'G', 'T', 'T',
'T', 'T', 'C', 'C', 'T', 'G', 'T', 'G', 'T', 'C', 'T', 'T',
'C', 'C', 'A', 'T', 'T', 'G', 'A', 'G', 'T', 'A', 'G', 'A',
'T', 'T', 'G', 'A', 'C', 'A', 'C', 'T', 'C', 'C', 'C', 'A',
'G', 'A', 'T', 'G', '\0'};
for (i=0;i<=100-length;i++)
{
int j;
bool match = true;
for (j=0;j<length;j++)
{
if ((sequence[j]!= DNA[i+j]) && (sequence[j]!= '*'))
match = false;
}
if (match)
printf("Match of search sequence found at element %d\n",i);
}
}
int main(int argc, const char * argv[])
{
int length, i;
printf("Enter length of DNA sequence to match: ");
scanf("%d",&length);
char sequence[200];
while(length>0)
{
readInSequence(length,sequence);
for (i=0;i<length;i++)
{
if ((sequence[i]!='A')&&(sequence[i]!='G')&&(sequence[i]!='C')&&(sequence[i]!='T')&&(sequence[i]!='*'))
{
printf("Erroneous character input '%c' exiting\n",sequence[i]);
printf("Goodbye");
return 0;
}
}
searching(sequence,length);
printf("Enter length of DNA sequence to match: ");
scanf("%d",&length);
}
printf("Goodbye");
return 0;
}