summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--src/analyze_correlations.cpp157
1 files changed, 113 insertions, 44 deletions
diff --git a/src/analyze_correlations.cpp b/src/analyze_correlations.cpp
index cf8e740..91d35cb 100644
--- a/src/analyze_correlations.cpp
+++ b/src/analyze_correlations.cpp
@@ -23,12 +23,13 @@ void compute_OO(int N, fftw_plan forward_plan, double *forward_data, fftw_plan r
reverse_data[0] = forward_data[0] * forward_data[0];
reverse_data[N / 2] = forward_data[N/2] * forward_data[N/2];
- for (count_t i = 1; i < N / 2 - 1; i++) {
- reverse_data[i] = forward_data[i] * forward_data[i] + forward_data[N - i] * forward_data[N - i];
+ for (count_t i = 1; i < N / 2; i++) {
+ reverse_data[i] = pow(forward_data[i], 2) + pow(forward_data[N - i], 2);
reverse_data[N - i] = 0;
}
fftw_execute(reverse_plan);
+
}
double finite_energy(q_t nb, double *J, q_t q, double *H, v_t nv, v_t ne, uint32_t *bo, uint32_t *so) {
@@ -81,7 +82,7 @@ int main (int argc, char *argv[]) {
}
FILE *metadata;
- fftw_set_timelimit(10);
+ fftw_set_timelimit(1);
if (from_stdin) {
metadata = stdin;
@@ -111,7 +112,7 @@ int main (int argc, char *argv[]) {
printf("%lu: Processing...\n", id);
- bool is_finite = 0 == strcmp(model, "ISING") || 0 == strcmp(model, "POTTS") || 0 == strcmp(model, "CLOCK") || 0 == strcmp(model, "DGM");
+ bool is_finite = 0 == strcmp(model, "ISING") || 0 == strcmp(model, "POTTS") || 0 == strcmp(model, "CLOCK");
if (is_finite) {
q_t nb;
@@ -232,27 +233,23 @@ int main (int argc, char *argv[]) {
free(filename_M);
} else {
- double T;
- fscanf(metadata, "\"T\" -> %lf, \"H\" -> {", &T);
- double *H = (double *)malloc(q * sizeof(double));
-
- for (q_t i = 0; i < q - 1; i++) {
- fscanf(metadata, "%lf, ", &(H[i]));
- }
- char *field = (char *)malloc(32 * sizeof(char));
- double epsilon;
- fscanf(metadata, "%lf}, \"GENERATOR\" -> \"%[^\"]\", \"EPS\" -> %lf |>\n", &(H[q - 1]), field, &epsilon);
-
- free(field);
- free(H);
+ char *junk = (char *)malloc(1024 * sizeof(char));
+ fscanf(metadata, "%[^\n]\n", junk); // throw away the rest of the line, we don't need it
+ free(junk);
char *filename_E = (char *)malloc(128 * sizeof(char));
+ char *filename_F = (char *)malloc(128 * sizeof(char));
+ char *filename_M = (char *)malloc(128 * sizeof(char));
char *filename_S = (char *)malloc(128 * sizeof(char));
sprintf(filename_E, "wolff_%lu_E.dat", id);
+ sprintf(filename_F, "wolff_%lu_F.dat", id);
+ sprintf(filename_M, "wolff_%lu_M.dat", id);
sprintf(filename_S, "wolff_%lu_S.dat", id);
FILE *file_E = fopen(filename_E, "rb");
+ FILE *file_F = fopen(filename_F, "rb");
+ FILE *file_M = fopen(filename_M, "rb");
FILE *file_S = fopen(filename_S, "rb");
fseek(file_S, 0, SEEK_END);
@@ -269,41 +266,115 @@ int main (int argc, char *argv[]) {
int M = N - drop;
double M_f = (double)M;
- uint32_t *data_S = (uint32_t *)malloc(N * sizeof(uint32_t));
-
- fread(data_S, sizeof(uint32_t), N, file_S);
- double mean_S = mean(M, data_S + drop);
- free(data_S);
+ if (length > M) {
+ length = M;
+ }
double *forward_data = (double *)fftw_malloc(M * sizeof(double));
fftw_plan forward_plan = fftw_plan_r2r_1d(M, forward_data, forward_data, FFTW_R2HC, 0);
+ double *reverse_data = (double *)fftw_malloc(M * sizeof(double));
+ fftw_plan reverse_plan = fftw_plan_r2r_1d(M, reverse_data, reverse_data, FFTW_HC2R, 0);
+
+ if (file_S != NULL) {
+ uint32_t *data_S = (uint32_t *)malloc(N * sizeof(uint32_t));
- float *data_E = (float *)malloc(N * sizeof(float));
- fread(data_E, sizeof(float), N, file_E);
- for (int i = 0; i < M; i++) {
- forward_data[i] = (double)data_E[drop + i];
+ fread(data_S, sizeof(uint32_t), N, file_S);
+ fclose(file_S);
+
+ for (int i = 0; i < M; i++) {
+ forward_data[i] = (double)data_S[drop + i];
+ }
+ free(data_S);
+
+ double mean_S = mean(M, forward_data);
+
+ compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data);
+
+ sprintf(filename_S, "wolff_%lu_S_OO.dat", id);
+ FILE *file_S_new = fopen(filename_S, "wb");
+ fwrite(&M_f, sizeof(double), 1, file_S_new);
+ fwrite(&mean_S, sizeof(double), 1, file_S_new);
+ fwrite(reverse_data, sizeof(double), length, file_S_new);
+ fclose(file_S_new);
}
- free(data_E);
+ if (file_F != NULL) {
+ float *data_F = (float *)malloc(N * sizeof(float));
- double mean_E = mean(M, forward_data);
+ fread(data_F, sizeof(float), N, file_F);
+ fclose(file_F);
- double *reverse_data = (double *)fftw_malloc(M * sizeof(double));
- fftw_plan reverse_plan = fftw_plan_r2r_1d(M, reverse_data, reverse_data, FFTW_HC2R, 0);
+ for (int i = 0; i < M; i++) {
+ forward_data[i] = (double)data_F[drop + i];
+ }
+ free(data_F);
- compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data);
+ double mean_F = mean(M, forward_data);
- if (length > M) {
- length = M;
+ compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data);
+
+ sprintf(filename_F, "wolff_%lu_F_OO.dat", id);
+ FILE *file_F_new = fopen(filename_F, "wb");
+ fwrite(&M_f, sizeof(double), 1, file_F_new);
+ fwrite(&mean_F, sizeof(double), 1, file_F_new);
+ fwrite(reverse_data, sizeof(double), length, file_F_new);
+ fclose(file_F_new);
}
+ if (file_E != NULL) {
+ float *data_E = (float *)malloc(N * sizeof(float));
- sprintf(filename_E, "wolff_%lu_E_OO.dat", id);
- FILE *file_E_new = fopen(filename_E, "wb");
- fwrite(&M_f, sizeof(double), 1, file_E_new);
- fwrite(&mean_E, sizeof(double), 1, file_E_new);
- fwrite(&mean_S, sizeof(double), 1, file_E_new);
- fwrite(reverse_data, sizeof(double), length, file_E_new);
- fclose(file_E_new);
+ fread(data_E, sizeof(float), N, file_E);
+ fclose(file_E);
+
+ for (int i = 0; i < M; i++) {
+ forward_data[i] = (double)data_E[drop + i];
+ }
+ free(data_E);
+
+ double mean_E = mean(M, forward_data);
+
+ compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data);
+
+ sprintf(filename_E, "wolff_%lu_E_OO.dat", id);
+ FILE *file_E_new = fopen(filename_E, "wb");
+ fwrite(&M_f, sizeof(double), 1, file_E_new);
+ fwrite(&mean_E, sizeof(double), 1, file_E_new);
+ fwrite(reverse_data, sizeof(double), length, file_E_new);
+ fclose(file_E_new);
+ }
+ if (file_M != NULL) {
+ if (0 == strcmp(model, "PLANAR")) {
+ float *data_M = (float *)malloc(2 * N * sizeof(float));
+ fread(data_M, sizeof(float), 2 * N, file_M);
+ fclose(file_M);
+ for (int i = 0; i < M; i++) {
+ forward_data[i] = (double)sqrt(pow(data_M[2 * drop + 2 * i], 2) + pow(data_M[2 * drop + 2 * i + 1], 2));
+ }
+ free(data_M);
+ } else if (0 == strcmp(model, "HEISENBERG")) {
+ float *data_M = (float *)malloc(3 * N * sizeof(float));
+ fread(data_M, sizeof(float), 3 * N, file_M);
+ fclose(file_M);
+ for (int i = 0; i < M; i++) {
+ forward_data[i] = sqrt(pow(data_M[3 * drop + 3 * i], 2) + pow(data_M[3 * drop + 3 * i + 1], 2) + pow(data_M[3 * drop + 3 * i + 2], 2));
+ }
+ free(data_M);
+ } else {
+ printf("UNKNOWN MODEL\n");
+ exit(EXIT_FAILURE);
+ }
+
+ double mean_M = mean(M, forward_data);
+
+ compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data);
+
+ sprintf(filename_M, "wolff_%lu_M_OO.dat", id);
+ FILE *file_M_new = fopen(filename_M, "wb");
+ fwrite(&M_f, sizeof(double), 1, file_M_new);
+ fwrite(&mean_M, sizeof(double), 1, file_M_new);
+ fwrite(reverse_data, sizeof(double), length, file_M_new);
+ fclose(file_M_new);
+ }
printf("\033[F%lu: Correlation functions for %d steps written.\n", id, M);
fftw_destroy_plan(forward_plan);
@@ -314,10 +385,8 @@ int main (int argc, char *argv[]) {
}
free(filename_E);
free(filename_S);
-
- fclose(file_E);
- fclose(file_S);
-
+ free(filename_F);
+ free(filename_M);
}
}