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-rw-r--r--src/wolff.cpp134
1 files changed, 0 insertions, 134 deletions
diff --git a/src/wolff.cpp b/src/wolff.cpp
deleted file mode 100644
index f685129..0000000
--- a/src/wolff.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-
-#include <time.h>
-#include <getopt.h>
-
-#include <cluster.h>
-
-double H_vector(vector_t <2, double> v1, double *H) {
- vector_t <2, double> H_vec;
- H_vec.x = H;
- return dot <2, double> (v1, H_vec);
-}
-
-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;
-
- int opt;
- q_t J_ind = 0;
- q_t H_ind = 0;
-
- while ((opt = getopt(argc, argv, "N:q:D:L:T:J:H:s")) != -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;
- default:
- exit(EXIT_FAILURE);
- }
- }
-
- state_t <orthogonal_t <2, double>, vector_t <2, double>> s(D, L, T, dot <2, double>, std::bind(H_vector, std::placeholders::_1, H));
-
- // initialize random number generator
- gsl_rng *r = gsl_rng_alloc(gsl_rng_mt19937);
- gsl_rng_set(r, rand_seed());
-
- unsigned long timestamp;
-
- {
- struct timespec spec;
- clock_gettime(CLOCK_REALTIME, &spec);
- timestamp = spec.tv_sec*1000000000LL + spec.tv_nsec;
- }
-
- FILE *outfile_info = fopen("wolff_metadata.txt", "a");
-
- fprintf(outfile_info, "<| \"ID\" -> %lu, \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"T\" -> %.15f, \"H\" -> {", timestamp, D, L, s.nv, s.ne, 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, "} |>\n");
-
- 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));
-
- sprintf(filename_M, "wolff_%lu_M.dat", timestamp);
- sprintf(filename_E, "wolff_%lu_E.dat", timestamp);
- sprintf(filename_S, "wolff_%lu_S.dat", timestamp);
-
- FILE *outfile_M = fopen(filename_M, "wb");
- FILE *outfile_E = fopen(filename_E, "wb");
- FILE *outfile_S = fopen(filename_S, "wb");
-
- free(filename_M);
- free(filename_E);
- free(filename_S);
-
- v_t cluster_size = 0;
-
- if (!silent) printf("\n");
- for (count_t steps = 0; steps < N; steps++) {
- if (!silent) printf("\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, M_0 = %.2f, S = %" PRIv "\n", steps, N, s.E, s.M.x[0], cluster_size);
-
- v_t v0 = gsl_rng_uniform_int(r, s.nv);
-
- orthogonal_t <2, double> step;
- generate_rotation<2>(r, &step);
-
- cluster_size = flip_cluster <orthogonal_t <2, double>, vector_t <2, double>> (&s, v0, step, r);
-
- free_spin(step);
-
- fwrite(&(s.E), sizeof(double), 1, outfile_E);
- fwrite(s.M.x, sizeof(double), 2, outfile_M);
- fwrite(&cluster_size, sizeof(uint32_t), 1, outfile_S);
-
- }
- if (!silent) {
- printf("\033[F\033[J");
- }
- printf("WOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, M_0 = %.2f, S = %" PRIv "\n", N, N, s.E, s.M.x[0], cluster_size);
-
- fclose(outfile_M);
- fclose(outfile_E);
- fclose(outfile_S);
-
- gsl_rng_free(r);
-
- free(H);
-
- return 0;
-}
-