void lsh::generate_column_base(const string& column) {
if (column2baseval_.count(column) != 0) {
return;
}
const uint32_t seed = common::hash_util::calc_string_hash(column);
generate_random_vector(hash_num_, seed, column2baseval_[column]);
}
int main()
{
int n = 0;
char filename[256];
double** matrixA;
clock_t time;
double* vectorB;
n = read_dimension();
printf("Dimensio n=%d\n", n);
printf("Arxiu matriu A? (buit per matriu random) ");
fgets(filename, 255, stdin);
if (filename[0] != '\n') {
if (filename[strlen(filename) - 1] == '\n') {
filename[strlen(filename) - 1] = '\0';
}
printf("\nMatriu de l'arxiu %s\n", filename);
matrixA = read_matrix(filename, n);
} else {
printf("\nMatriu random\n");
matrixA = generate_random_matrix(n);
}
printf("Arxiu vector b? (buit per vector random) ");
fgets(filename, 255, stdin);
if (filename[0] != '\n') {
if (filename[strlen(filename) - 1] == '\n') {
filename[strlen(filename) - 1] = '\0';
}
printf("\nVector de l'arxiu %s\n", filename);
vectorB = read_vector(filename, n);
} else {
printf("\n Vector random\n");
vectorB = generate_random_vector(n);
}
printf("Començant calcul LUx = b...\n");
time = clock();
/*******/
solveLU(n, matrixA, vectorB);
/*******/
time = clock() - time;
printf("Calcul finalitzat.\n");
printf("S'escriura el vector X a l'arxiu output2.txt\n");
write_vector("output2.txt", vectorB, n);
printf("n = %d, t = %.6f, t/n = %.6f\n",
n, ((float)time)/CLOCKS_PER_SEC,
(((float)time) / CLOCKS_PER_SEC)/n
);
free_matrix(matrixA, n);
free(vectorB);
return 0;
}
