summaryrefslogtreecommitdiff
path: root/src/wolff_heisenberg.cpp
diff options
context:
space:
mode:
authorJaron Kent-Dobias <jaron@kent-dobias.com>2018-07-19 13:39:01 -0400
committerJaron Kent-Dobias <jaron@kent-dobias.com>2018-07-19 13:39:01 -0400
commitffa58d427cd0e8b4e6ebd5538a83bec63a85ab27 (patch)
tree932d9f0bb71ee2ba3edda2fb8b7572b6e82da142 /src/wolff_heisenberg.cpp
parent07bfd781266868ee6bac8e2b58f9675b3536354d (diff)
downloadc++-ffa58d427cd0e8b4e6ebd5538a83bec63a85ab27.tar.gz
c++-ffa58d427cd0e8b4e6ebd5538a83bec63a85ab27.tar.bz2
c++-ffa58d427cd0e8b4e6ebd5538a83bec63a85ab27.zip
new mesaurement flag system, fftw only initialized once, all O(n) models now built from one file with different compiler flag settings
Diffstat (limited to 'src/wolff_heisenberg.cpp')
-rw-r--r--src/wolff_heisenberg.cpp145
1 files changed, 0 insertions, 145 deletions
diff --git a/src/wolff_heisenberg.cpp b/src/wolff_heisenberg.cpp
deleted file mode 100644
index e05453f..0000000
--- a/src/wolff_heisenberg.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-
-#include <getopt.h>
-
-#include <correlation.h>
-#include <wolff.h>
-
-typedef state_t <orthogonal_t <3, double>, vector_t <3, double>> heisenberg_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;
- }
-
- std::function <orthogonal_t <3, double>(gsl_rng *, const heisenberg_t *)> gen_R;
-
- const char *pert_type;
-
- if (use_pert) {
- gen_R = std::bind(generate_rotation_perturbation <3>, std::placeholders::_1, std::placeholders::_2, epsilon);
- pert_type = "PERTURB";
- } else {
- gen_R = generate_rotation_uniform <3>;
- pert_type = "UNIFORM";
- }
-
- FILE *outfile_info = fopen("wolff_metadata.txt", "a");
-
- fprintf(outfile_info, "<| \"ID\" -> %lu, \"MODEL\" -> \"HEISENBERG\", \"q\" -> 3, \"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 < 3; i++) {
- fprintf(outfile_info, "%.15f", H[i]);
- if (i < 3 - 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 heisenberg_t *)> *measurements = (std::function <void(const heisenberg_t *)> *)malloc(4 * sizeof(std::function <void(const heisenberg_t *)>));
-
- measurements[0] = [&](const heisenberg_t *s) {
- float smaller_E = (float)s->E;
- fwrite(&smaller_E, sizeof(float), 1, outfile_E);
- };
- measurements[1] = [&](const heisenberg_t *s) {
- float smaller_X = (float)correlation_length(s);
- fwrite(&smaller_X, sizeof(float), 1, outfile_X);
- };
- measurements[2] = [&](const heisenberg_t *s) {
- write_magnetization(s->M, outfile_M);
- };
- measurements[3] = [&](const heisenberg_t *s) {
- fwrite(&(s->last_cluster_size), sizeof(uint32_t), 1, outfile_S);
- };
-
- wolff <orthogonal_t <3, double>, vector_t <3, double>> (N, D, L, T, dot <3, double>, std::bind(H_vector <3, 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);
-
- fftw_cleanup();
-
- return 0;
-}
-