diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/wolff.c | 84 |
1 files changed, 54 insertions, 30 deletions
diff --git a/src/wolff.c b/src/wolff.c index 67c05a5..fee796f 100644 --- a/src/wolff.c +++ b/src/wolff.c @@ -10,14 +10,18 @@ int main(int argc, char *argv[]) { q_t q = 2; D_t D = 2; double T = 2.26918531421; + double *J = (double *)calloc(MAX_Q, sizeof(double)); + J[0] = 1.0; double *H = (double *)calloc(MAX_Q, sizeof(double)); double eps = 0; bool pretend_ising = false; + bool planar_potts = false; int opt; + q_t J_ind = 0; q_t H_ind = 0; - while ((opt = getopt(argc, argv, "N:n:D:L:q:T:H:m:e:I")) != -1) { + while ((opt = getopt(argc, argv, "N:n:D:L:q:T:J:H:m:e:Ip")) != -1) { switch (opt) { case 'N': N = (count_t)atof(optarg); @@ -37,6 +41,10 @@ int main(int argc, char *argv[]) { case 'T': T = atof(optarg); break; + case 'J': + J[J_ind] = atof(optarg); + J_ind++; + break; case 'H': H[H_ind] = atof(optarg); H_ind++; @@ -50,6 +58,9 @@ int main(int argc, char *argv[]) { case 'I': pretend_ising = true; break; + case 'p': + planar_potts = true; + break; default: exit(EXIT_FAILURE); } @@ -60,9 +71,14 @@ int main(int argc, char *argv[]) { if (pretend_ising) { q = 2; - T /= 2; - H[0] /= 2; H[1] = -H[0]; + J[1] = -J[0]; + } + + if (planar_potts) { + for (q_t i = 0; i < q; i++) { + J[i] = cos(2 * M_PI * i / ((double)q)); + } } ising_state_t *s = (ising_state_t *)calloc(1, sizeof(ising_state_t)); @@ -76,8 +92,14 @@ int main(int argc, char *argv[]) { s->T = T; s->H = H; + s->J = J; - s->T_prob = 1.0 - exp(- 1.0 / T); + s->J_probs = (double *)calloc(pow(q, 2), sizeof(double)); + for (q_t i = 0; i < q; i++) { + for (q_t j = 0; j < q; j++) { + s->J_probs[q * i + j] = 1.0 - exp((s->J[i] - s->J[j]) / T); + } + } s->H_probs = (double *)calloc(pow(q, 2), sizeof(double)); for (q_t i = 0; i < q; i++) { for (q_t j = 0; j < q; j++) { @@ -87,7 +109,7 @@ int main(int argc, char *argv[]) { s->M = (v_t *)calloc(q, sizeof(v_t)); s->M[0] = h->nv; - s->E = - ((double)h->nv) * s->H[0]; + s->E = - ((double)h->ne) * s->J[0] - ((double)h->nv) * s->H[0]; double diff = 1e31; count_t n_runs = 0; @@ -137,35 +159,35 @@ int main(int argc, char *argv[]) { FILE *outfile = fopen("out.m", "a"); - if (pretend_ising) { - fprintf(outfile, - "%" PRIL " %.15f %" PRIcount " %.15f %.15f %.15f %.15f %.15f %.15f %.15f %.15f\n", - L, 2 * T, n_runs, - (2 * E->x - h->ne) / h->nv, 2 * E->dx / h->nv, (M[0]->x - M[1]->x) / h->nv, M[0]->dx / h->nv, 4 * E->c / h->nv, 4 * E->dc / h->nv, 4 * M[0]->c / h->nv, 4 * M[0]->dc / h->nv); - } else { - fprintf(outfile, "{\"D\"->%" PRID ",\"L\"->%" PRIL ",\"q\"->%" PRIq ",\"T\"->%.15f,\"H\"->{", D, L, q, T); - for (q_t i = 0; i < q; i++) { - fprintf(outfile, "%.15f", H[i]); - if (i != q-1) { - fprintf(outfile, ","); - } + fprintf(outfile, "{\"D\"->%" PRID ",\"L\"->%" PRIL ",\"q\"->%" PRIq ",\"T\"->%.15f,\"J\"->{", D, L, q, T); + for (q_t i = 0; i < q; i++) { + fprintf(outfile, "%.15f", J[i]); + if (i != q-1) { + fprintf(outfile, ","); } - fprintf(outfile, "},\"E\"->{%.15f,%.15f},\"C\"->{%.15f,%.15f},\"M\"->{", E->x / h->nv, E->dx / h->nv, E->c / h->nv, E->dc / h->nv); - for (q_t i = 0; i < q; i++) { - fprintf(outfile, "{%.15f,%.15f}", M[i]->x / h->nv, M[i]->dx / h->nv); - if (i != q-1) { - fprintf(outfile, ","); - } + } + fprintf(outfile, "},\"H\"->{"); + for (q_t i = 0; i < q; i++) { + fprintf(outfile, "%.15f", H[i]); + if (i != q-1) { + fprintf(outfile, ","); } - fprintf(outfile, "},\"X\"->{"); - for (q_t i = 0; i < q; i++) { - fprintf(outfile, "{%.15f,%.15f}", M[i]->c / h->nv, M[i]->dc / h->nv); - if (i != q-1) { - fprintf(outfile, ","); - } + } + fprintf(outfile, "},\"E\"->{%.15f,%.15f},\"C\"->{%.15f,%.15f},\"M\"->{", E->x / h->nv, E->dx / h->nv, E->c / h->nv, E->dc / h->nv); + for (q_t i = 0; i < q; i++) { + fprintf(outfile, "{%.15f,%.15f}", M[i]->x / h->nv, M[i]->dx / h->nv); + if (i != q-1) { + fprintf(outfile, ","); + } + } + fprintf(outfile, "},\"X\"->{"); + for (q_t i = 0; i < q; i++) { + fprintf(outfile, "{%.15f,%.15f}", M[i]->c / h->nv, M[i]->dc / h->nv); + if (i != q-1) { + fprintf(outfile, ","); } - fprintf(outfile, "},\"n\"->{%.15f,%.15f}}\n", clust->c / h->nv, clust->dc / h->nv); } + fprintf(outfile, "},\"n\"->{%.15f,%.15f}}\n", clust->c / h->nv, clust->dc / h->nv); fclose(outfile); @@ -176,11 +198,13 @@ int main(int argc, char *argv[]) { } free(M); free(s->H_probs); + free(s->J_probs); free(s->M); free(s->spins); graph_free(s->g); free(s); free(H); + free(J); graph_free(h); gsl_rng_free(r); |