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#include <getopt.h>
#include <wolff.h>
#include <correlation.h>
typedef state_t <orthogonal_t <2, double>, vector_t <2, double>> sim_t;
int main(int argc, char *argv[]) {
count_t N = (count_t)1e7;
D_t D = 2;
L_t L = 128;
double T = 2.26918531421;
double *H = (double *)calloc(MAX_Q, sizeof(double));
bool silent = false;
bool use_pert = false;
int opt;
q_t J_ind = 0;
q_t H_ind = 0;
double epsilon = 1;
while ((opt = getopt(argc, argv, "N:q:D:L:T:J:H:spe:")) != -1) {
switch (opt) {
case 'N': // number of steps
N = (count_t)atof(optarg);
break;
case 'D': // dimension
D = atoi(optarg);
break;
case 'L': // linear size
L = atoi(optarg);
break;
case 'T': // temperature
T = atof(optarg);
break;
case 'H': // external field. nth call couples to state n
H[H_ind] = atof(optarg);
H_ind++;
break;
case 's': // don't print anything during simulation. speeds up slightly
silent = true;
break;
case 'p':
use_pert = true;
break;
case 'e':
epsilon = atof(optarg);
break;
default:
exit(EXIT_FAILURE);
}
}
unsigned long timestamp;
{
struct timespec spec;
clock_gettime(CLOCK_REALTIME, &spec);
timestamp = spec.tv_sec*1000000000LL + spec.tv_nsec;
}
const char *pert_type;
std::function <orthogonal_t <2, double>(gsl_rng *, const sim_t *)> gen_R;
if (use_pert) {
gen_R = std::bind(generate_rotation_perturbation <2>, std::placeholders::_1, std::placeholders::_2, epsilon);
pert_type = "PERTURB";
} else {
gen_R = generate_rotation_uniform <2>;
pert_type = "UNIFORM";
}
FILE *outfile_info = fopen("wolff_metadata.txt", "a");
fprintf(outfile_info, "<| \"ID\" -> %lu, \"MODEL\" -> \"PLANAR\", \"q\" -> 2, \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"T\" -> %.15f, \"H\" -> {", timestamp, D, L, L * L, D * L * L, T);
for (q_t i = 0; i < 2; i++) {
fprintf(outfile_info, "%.15f", H[i]);
if (i < 2 - 1) {
fprintf(outfile_info, ", ");
}
}
fprintf(outfile_info, "}, \"GENERATOR\" -> \"%s\", \"EPS\" -> %g |>\n", pert_type, epsilon);
fclose(outfile_info);
char *filename_M = (char *)malloc(255 * sizeof(char));
char *filename_E = (char *)malloc(255 * sizeof(char));
char *filename_S = (char *)malloc(255 * sizeof(char));
char *filename_X = (char *)malloc(255 * sizeof(char));
sprintf(filename_M, "wolff_%lu_M.dat", timestamp);
sprintf(filename_E, "wolff_%lu_E.dat", timestamp);
sprintf(filename_S, "wolff_%lu_S.dat", timestamp);
sprintf(filename_X, "wolff_%lu_X.dat", timestamp);
FILE *outfile_M = fopen(filename_M, "wb");
FILE *outfile_E = fopen(filename_E, "wb");
FILE *outfile_S = fopen(filename_S, "wb");
FILE *outfile_X = fopen(filename_X, "wb");
free(filename_M);
free(filename_E);
free(filename_S);
free(filename_X);
std::function <void(const sim_t *)> *measurements = (std::function <void(const sim_t *)> *)calloc(4, sizeof(std::function <void(const sim_t *)>));
measurements[0] = (std::function <void(const sim_t *)>)[&](const sim_t *s) {
float smaller_E = (float)s->E;
fwrite(&smaller_E, sizeof(float), 1, outfile_E);
};
measurements[1] = [&](const sim_t *s) {
float smaller_X = (float)correlation_length(s);
fwrite(&smaller_X, sizeof(float), 1, outfile_X);
};
measurements[2] = [&](const sim_t *s) {
write_magnetization(s->M, outfile_M);
};
measurements[3] = [&](const sim_t *s) {
fwrite(&(s->last_cluster_size), sizeof(uint32_t), 1, outfile_S);
};
wolff <orthogonal_t <2, double>, vector_t <2, double>> (N, D, L, T, dot <2, double>, std::bind(H_vector <2, double>, std::placeholders::_1, H), gen_R, 4, measurements, silent);
free(measurements);
fclose(outfile_M);
fclose(outfile_E);
fclose(outfile_S);
fclose(outfile_X);
free(H);
return 0;
}
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