trax

inline matrix * mul1 (matrix *A, matrix *B, matrix *C){    for (int i = 0 ; i < B->c ; i++){        for (int y = 0 ; y < A->l ; y++){            for (int z = 0 ; z < A->c ; z++){                C->data[i*B->c + y] += A->data[i*A->l + z]*B->data[z*B->c + y];            }        }    }    return C;}