File size: 2,633 Bytes
54c34c9 | 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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #include"matrix.h"
matrix mat_create(int num_of_rows, int num_of_cols){
matrix A;
A.num_of_rows = num_of_rows;
A.num_of_cols = num_of_cols;
DATA_TYPE * ddrAddr = (DATA_TYPE*) malloc( num_of_rows * num_of_cols * sizeof(DATA_TYPE));
A.ddrAddr = ddrAddr;
return A;
}
void mat_setValue(matrix A, int row, int col, DATA_TYPE value){
if((row > A.num_of_rows-1) || (col > A.num_of_cols -1)){
printf("mat_setValue: index out of bound, row = %d, col = %d\n",row,col);
return;
}
if(row <0 || col < 0){
printf("mat_setValue: negative index\n");
return;
}
*(A.ddrAddr + row * A.num_of_cols + col) = value;
}
DATA_TYPE mat_getValue(matrix A, int row, int col){
if((row > A.num_of_rows-1) || (col > A.num_of_cols -1)){
printf("mat_getValue: index out of bound, row = %d, col = %d\n",row,col);
return 0;
}
if(row <0 || col < 0){
printf("mat_getValue: negative index\n");
return 0;
}
return *(A.ddrAddr + row * A.num_of_cols + col);
}
void mat_set(matrix_Ptr A_p, void * addr, int num_of_rows, int num_of_cols){
int size = num_of_cols * num_of_rows * sizeof(DATA_TYPE);
free(A_p->ddrAddr);
A_p->ddrAddr = (DATA_TYPE *) malloc(size);
memcpy(A_p->ddrAddr,addr,size);
A_p->num_of_cols = num_of_cols;
A_p->num_of_rows = num_of_rows;
return;
}
void mat_mul(matrix A, matrix B, matrix C, int R_shift){ //A * B = C
if(A.num_of_cols != B.num_of_rows){
printf("size mismatch\n");
return;
}
if(A.num_of_rows != C.num_of_rows || B.num_of_cols != C.num_of_cols){
printf("size mismatch\n");
return;
}
int temp;
int i;
int j;
int k;
for (i=0;i<C.num_of_rows;i++){
// printf("\n");
for(j=0;j<C.num_of_cols;j++){
temp=0;
for(k=0;k<A.num_of_cols;k++){
temp = temp + mat_getValue(A,i,k)*mat_getValue(B,k,j);
}
// printf("temp: %d\n",temp);
if(R_shift > 0){
temp = (temp+(1<<(R_shift-1))) >> R_shift;
}
if (temp > MAX_LIMIT){
temp = MAX_LIMIT;
}
if (temp < MIN_LIMIT){
temp = MIN_LIMIT;
}
// printf("%d",temp);
mat_setValue(C,i,j,temp);
}
}
};
void mat_print(matrix A){
int i,j;
for(i=0;i<A.num_of_rows;i++){
printf("row %d: ",i);
for(j=0;j<A.num_of_cols;j++){
printf("%7d",(int)mat_getValue(A,i,j));
}
printf("\n");
}
printf("\n");
}
void mat_free(matrix A){
free(A.ddrAddr);
}
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