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sm->col = (unsigned int *)malloc(nz * sizeof(unsigned int));
sm->ptr = (unsigned int *)malloc(nr * sizeof(unsigned int));
memset(sm->ptr, 0, nr * sizeof(unsigned int));
sm->NonZeroNum = cm->NonZeroNum;
sm->rowNum = cm->rowNum;
sm->colNum = cm->colNum;
sm->ptr[0] = tot;
for (i = 0; i < sm->rowNum; i++){
for (j = 0; j < cm->NonZeroNum; j++){
if (cm->row[j] == i){
sm->val[tot] = cm->val[j];
sm->col[tot] = cm->col[j];
tot++;
sm->ptr[i + 1] = tot;
}
}
}
}
//创建coo矩阵
void create_coo_sparse_matrix(COOSparseMatrix *cm)
{
int i,nz