-
Notifications
You must be signed in to change notification settings - Fork 6
/
pdet.c
51 lines (43 loc) · 1.01 KB
/
pdet.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
#include"typedef.h"
#include"getput.h"
#include"bravais.h"
#include"matrix.h"
int main (int argc, char *argv[])
{
int anz,
i,
prime = 1949,
det;
matrix_TYP **F;
read_header(argc, argv);
if(FILEANZ < 1 || is_option('h'))
{
printf("usage: Pdet file [-p=prime]\n");
printf(" where file contains a matrix_TYP.\n");
printf("\n");
printf("Calculates the determinant of the matrices given in file\n");
printf("modulo a prime. The default prime is 1949.\n");
printf("\n");
printf("Options:\n");
printf("\n");
printf("-p=prime : the algorithm is done modulo prime.\n");
printf("\n");
if (is_option('h')){
exit(0);
}
else{
exit(31);
}
}
F = mget_mat(FILENAMES[0],&anz);
if (is_option('p')){
prime = optionnumber('p');
}
for (i=0;i<anz;i++){
Check_mat(F[i]);
det = p_mat_det(F[i],prime);
printf("Determinant of the %d-th matrix in %s (modulo %d): %d \n",
i+1,FILENAMES[0],prime,det);
}
exit(0);
}