blob: 04ac46058011c1f99d85714e319dfa669a99a424 (
plain)
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
53
54
|
#include "../lib/types.h"
#include "../lib/prng.h"
#ifdef __UNIT_TEST_MMULT__
#define SIZE 50
#else
#include "test.h"
#endif
void mmult_row(uint64_t C[][SIZE], uint64_t A[][SIZE], uint64_t B[][SIZE]){
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++)
C[i][j] = 0;
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++)
for (int k = 0 ; k < SIZE ; k++)
C[i][j] += A[i][k] * B[k][j];
}
void mmult_col(uint64_t C[][SIZE], uint64_t A[][SIZE], uint64_t B[][SIZE]){
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++)
C[i][j] = 0;
for (int k = 0 ; k < SIZE ; k++)
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++)
C[i][j] += A[i][k] * B[k][j];
}
#ifdef __UNIT_TEST_MMULT__
static uint64_t C1[SIZE][SIZE], C2[SIZE][SIZE], A[SIZE][SIZE], B[SIZE][SIZE];
int main(void){
srand(42);
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++){
A[i][j] = randlong();
B[i][j] = randlong();
}
mmult_row(C1, A, B);
mmult_col(C2, A, B);
for (int i = 0 ; i < SIZE ; i++)
for (int j = 0 ; j < SIZE ; j++)
if (C1[i][j] != C2[i][j])
return -1;
return 0;
}
#endif /* __UNIT_TEST_MMULT__ */
|
