/
computeMSE.c
52 lines (47 loc) · 1.06 KB
/
computeMSE.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <math.h>
#define LINE_MAX 300
// Arguments:
// 1: Fastq file
// 2: Fastq file
// 3: szReads
// 4: numReads
int main(int argc, char *argv[])
{
FILE *f;
FILE *f1;
char linequal[LINE_MAX];
char linequal1[LINE_MAX];
int ctr;
int ctr1 = 0;
double mse = 0;
double tmp;
int szReads;
int numReads;
f = fopen(argv[1],"r");
f1 = fopen(argv[2],"r");
szReads = atoi(argv[3]);
numReads = atoi(argv[4]);
for (ctr1=0;ctr1<numReads;ctr1++){
fgets(linequal,LINE_MAX, f);
fgets(linequal,LINE_MAX, f);
fgets(linequal,LINE_MAX, f);
fgets(linequal,LINE_MAX, f);
fgets(linequal1,LINE_MAX,f1);
fgets(linequal1,LINE_MAX,f1);
fgets(linequal1,LINE_MAX,f1);
fgets(linequal1,LINE_MAX,f1);
for (ctr=0;ctr<szReads;ctr++){
tmp = pow(((double)linequal[ctr] - (double)linequal1[ctr]),2);
mse = mse + tmp;
}
}
fclose(f);
fclose(f1);
mse = mse/numReads/szReads;
printf("MSE is: %f \n", mse);
return 0;
}