diff options
Diffstat (limited to 'examples/src/tools')
-rw-r--r-- | examples/src/tools/CMakeLists.txt | 9 | ||||
-rw-r--r-- | examples/src/tools/analyze_correlations.cpp | 486 |
2 files changed, 0 insertions, 495 deletions
diff --git a/examples/src/tools/CMakeLists.txt b/examples/src/tools/CMakeLists.txt deleted file mode 100644 index 4a6c1a0..0000000 --- a/examples/src/tools/CMakeLists.txt +++ /dev/null @@ -1,9 +0,0 @@ - -find_library(fftw REQUIRED NAMES fftw3) - -add_executable(analyze_correlations analyze_correlations.cpp) - -target_link_libraries(analyze_correlations fftw3 wolff) - -install(TARGETS analyze_correlations DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL) - diff --git a/examples/src/tools/analyze_correlations.cpp b/examples/src/tools/analyze_correlations.cpp deleted file mode 100644 index abeaff3..0000000 --- a/examples/src/tools/analyze_correlations.cpp +++ /dev/null @@ -1,486 +0,0 @@ - -#include <wolff/types.h> -#include <cmath> -#include <cstring> -#include <stdio.h> -#include <stdlib.h> -#include <getopt.h> -#include <fftw3.h> - -template <class T> -double mean(int N, T *data) { - double total = 0; - for (int i = 0; i < N; i++) { - total += (double)data[i]; - } - - return total / N; -} - -double squared_mean(int N, double *data) { - double total = 0; - for (int i = 0; i < N; i++) { - total += pow(data[i], 2); - } - - return total / N; -} - -double central_moment(int N, double *data, double mean, int m) { - double total = 0; - for (int i = 0; i < N; i++) { - total += pow(data[i] - mean, m); - } - - return total / N; -} - -void compute_OO(int N, fftw_plan forward_plan, double *forward_data, fftw_plan reverse_plan, double *reverse_data) { - - fftw_execute(forward_plan); - - 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; 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) { - double energy = 0; - - v_t tot = 0; - for (q_t i = 0; i < nb - 1; i++) { - energy -= J[i] * bo[i]; - tot += bo[i]; - } - - energy -= J[nb - 1] * (ne - tot); - - tot = 0; - for (q_t i = 0; i < q - 1; i++) { - energy -= H[i] * so[i]; - tot += so[i]; - } - - energy -= H[q - 1] * (nv - tot); - - return energy; -} - -int main (int argc, char *argv[]) { - count_t drop = (count_t)1e4; - count_t length = (count_t)1e4; - bool speedy_drop = false; - bool from_stdin = false; - bool oldstyle = false; - - int opt; - - while ((opt = getopt(argc, argv, "d:l:spo")) != -1) { - switch (opt) { - case 'd': - drop = (count_t)atof(optarg); - break; - case 'l': - length = (count_t)atof(optarg); - break; - case 's': - speedy_drop = true; - break; - case 'p': - from_stdin = true; - break; - case 'o': - oldstyle = true; - break; - default: - exit(EXIT_FAILURE); - } - } - FILE *metadata; - - fftw_set_timelimit(1); - - if (from_stdin) { - metadata = stdin; - } else { - metadata = fopen("wolff_metadata.txt", "r"); - } - - if (metadata == NULL) { - printf("Metadata file not found. Make sure you are in the correct directory!\n"); - exit(EXIT_FAILURE); - } - - unsigned long id; - char *model = (char *)malloc(32 * sizeof(char)); - - if (model == NULL) { - printf("Malloc failed.\n"); - exit(EXIT_FAILURE); - } - - q_t q; - D_t D; - L_t L; - v_t nv, ne; - - while (EOF != fscanf(metadata, "<| \"ID\" -> %lu, \"MODEL\" -> \"%[^\"]\", \"q\" -> %" SCNq ", \"D\" -> %" SCND ", \"L\" -> %" SCNL ", \"NV\" -> %" SCNv ", \"NE\" -> %" SCNv ", ", &id, model, &q, &D, &L, &nv, &ne)) { - - printf("%lu: Processing...\n", id); - -// bool is_finite = 0 == strcmp(model, "ISING") || 0 == strcmp(model, "POTTS") || 0 == strcmp(model, "CLOCK"); - - if (oldstyle) { - q_t nb; - double T; - fscanf(metadata, "\"NB\" -> %" SCNq ", \"T\" -> %lf, \"J\" -> {", &nb, &T); - double *J = (double *)malloc(nb * sizeof(double)); - double *H = (double *)malloc(q * sizeof(double)); - - if (J == NULL || H == NULL) { - printf("%lu: Malloc failed.\n", id); - break; - } - - for (q_t i = 0; i < nb - 1; i++) { - fscanf(metadata, "%lf, ", &(J[i])); - } - fscanf(metadata, "%lf}, \"H\" -> {", &(J[nb - 1])); - for (q_t i = 0; i < q - 1; i++) { - fscanf(metadata, "%lf, ", &(H[i])); - } - fscanf(metadata, "%lf} |>\n", &(H[q - 1])); - - char *filename_M = (char *)malloc(128 * sizeof(char)); - char *filename_B = (char *)malloc(128 * sizeof(char)); - char *filename_S = (char *)malloc(128 * sizeof(char)); - - if (filename_M == NULL || filename_B == NULL || filename_S == NULL) { - printf("%lu: Malloc failed.\n", id); - break; - } - - sprintf(filename_M, "wolff_%lu_M.dat", id); - sprintf(filename_B, "wolff_%lu_B.dat", id); - sprintf(filename_S, "wolff_%lu_S.dat", id); - - FILE *file_M = fopen(filename_M, "rb"); - FILE *file_B = fopen(filename_B, "rb"); - FILE *file_S = fopen(filename_S, "rb"); - - if (file_M == NULL || file_B == NULL || file_S == NULL) { - printf("%lu: Opening data file failed.\n", id); - break; - } - - fseek(file_S, 0, SEEK_END); - unsigned long N = ftell(file_S) / sizeof(uint32_t); - fseek(file_S, 0, SEEK_SET); - - if (speedy_drop) { - drop = N - pow(2, floor(log(N) / log(2))); - } else { - if (N % 2 == 1 && drop % 2 == 0) { - drop++; // make sure M is even - } - } - - if (N <= drop) { - printf("\033[F%lu: Number of steps %lu is less than %" PRIcount ", nothing done.\n", id, N, drop); - } else { - int M = N - drop; - - double M_f = (double)M; - - 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); - - - uint32_t *data_S = (uint32_t *)malloc(N * sizeof(uint32_t)); - fread(data_S, N, sizeof(uint32_t), file_S); - for (count_t i = 0; i < M; i++) { - forward_data[i] = (double)data_S[drop + i]; - } - free(data_S); - double mean_S = mean(M, forward_data); - double squaredMean_S = squared_mean(M, forward_data); - double moment2_S = central_moment(M, forward_data, mean_S, 2); - double moment4_S = central_moment(M, forward_data, mean_S, 4); - - compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data); - - sprintf(filename_S, "wolff_%lu_S_OO.dat", id); - - FILE *file_S = fopen(filename_S, "wb"); - fwrite(&M_f, sizeof(double), 1, file_S); - fwrite(&mean_S, sizeof(double), 1, file_S); - fwrite(&squaredMean_S, sizeof(double), 1, file_S); - fwrite(&moment2_S, sizeof(double), 1, file_S); - fwrite(&moment4_S, sizeof(double), 1, file_S); - fwrite(reverse_data, sizeof(double), length, file_S); - fclose(file_S); - - uint32_t *data_B = (uint32_t *)malloc((nb - 1) * N * sizeof(uint32_t)); - uint32_t *data_M = (uint32_t *)malloc((q - 1) * N * sizeof(uint32_t)); - fread(data_B, N * (nb - 1), sizeof(uint32_t), file_B); - fread(data_M, N * (q - 1), sizeof(uint32_t), file_M); - - for (count_t i = 0; i < M; i++) { - forward_data[i] = finite_energy(nb, J, q, H, nv, ne, data_B + (nb - 1) * (drop + i), data_M + (q - 1) * (drop + i)); - } - - double mean_E = mean(M, forward_data); - double squaredMean_E = squared_mean(M, forward_data); - double moment2_E = central_moment(M, forward_data, mean_E, 2); - double moment4_E = central_moment(M, forward_data, mean_E, 4); - - free(data_B); - free(data_M); - - compute_OO(M, forward_plan, forward_data, reverse_plan, reverse_data); - - sprintf(filename_B, "wolff_%lu_E_OO.dat", id); - - FILE *file_E = fopen(filename_B, "wb"); - fwrite(&M_f, sizeof(double), 1, file_E); - fwrite(&mean_E, sizeof(double), 1, file_E); - fwrite(&squaredMean_E, sizeof(double), 1, file_E); - fwrite(&moment2_E, sizeof(double), 1, file_E); - fwrite(&moment4_E, sizeof(double), 1, file_E); - fwrite(reverse_data, sizeof(double), length, file_E); - fclose(file_E); - - printf("\033[F%lu: Correlation functions for %d steps written.\n", id, M); - - fftw_destroy_plan(forward_plan); - fftw_destroy_plan(reverse_plan); - fftw_free(forward_data); - fftw_free(reverse_data); - - } - - fclose(file_M); - fclose(file_B); - fclose(file_S); - - free(J); - free(H); - - free(filename_S); - free(filename_B); - free(filename_M); - - } else { - 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); - unsigned long N = ftell(file_S) / sizeof(uint32_t); - fseek(file_S, 0, SEEK_SET); - - if (speedy_drop) { - drop = N - pow(2, floor(log(N) / log(2))); - } else { - if (N % 2 == 1 && drop % 2 == 0) { - drop++; // make sure M is even - } - } - - if (N <= drop) { - printf("\033[F%lu: Number of steps %lu is less than %" PRIcount ", nothing done.\n", id, N, drop); - } else { - int M = N - drop; - double M_f = (double)M; - - 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)); - - 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); - double squaredMean_S = squared_mean(M, forward_data); - double moment2_S = central_moment(M, forward_data, mean_S, 2); - double moment4_S = central_moment(M, forward_data, mean_S, 4); - - 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(&squaredMean_S, sizeof(double), 1, file_S_new); - fwrite(&moment2_S, sizeof(double), 1, file_S_new); - fwrite(&moment4_S, sizeof(double), 1, file_S_new); - fwrite(reverse_data, sizeof(double), length, file_S_new); - fclose(file_S_new); - } - if (file_F != NULL) { - float *data_F = (float *)malloc(N * sizeof(float)); - - fread(data_F, sizeof(float), N, file_F); - fclose(file_F); - - for (int i = 0; i < M; i++) { - forward_data[i] = (double)data_F[drop + i]; - } - free(data_F); - - double mean_F = mean(M, forward_data); - double squaredMean_F = squared_mean(M, forward_data); - double moment2_F = central_moment(M, forward_data, mean_F, 2); - double moment4_F = central_moment(M, forward_data, mean_F, 4); - - 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(&squaredMean_F, sizeof(double), 1, file_F_new); - fwrite(&moment2_F, sizeof(double), 1, file_F_new); - fwrite(&moment4_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)); - - 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); - double squaredMean_E = squared_mean(M, forward_data); - double moment2_E = central_moment(M, forward_data, mean_E, 2); - double moment4_E = central_moment(M, forward_data, mean_E, 4); - - 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(&squaredMean_E, sizeof(double), 1, file_E_new); - fwrite(&moment2_E, sizeof(double), 1, file_E_new); - fwrite(&moment4_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 if (0 == strcmp(model, "ISING")) { - int *data_M = (int *)malloc(N * sizeof(float)); - fread(data_M, sizeof(int), N, file_M); - fclose(file_M); - for (int i = 0; i < M; i++) { - forward_data[i] = (double)data_M[i]; - } - free(data_M); - } else { - printf("UNKNOWN MODEL\n"); - exit(EXIT_FAILURE); - } - - double mean_M = mean(M, forward_data); - double squaredMean_M = squared_mean(M, forward_data); - double moment2_M = central_moment(M, forward_data, mean_M, 2); - double moment4_M = central_moment(M, forward_data, mean_M, 4); - - 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(&squaredMean_M, sizeof(double), 1, file_M_new); - fwrite(&moment2_M, sizeof(double), 1, file_M_new); - fwrite(&moment4_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); - fftw_destroy_plan(reverse_plan); - fftw_free(forward_data); - fftw_free(reverse_data); - - } - free(filename_E); - free(filename_S); - free(filename_F); - free(filename_M); - } - } - - free(model); - fclose(metadata); - fftw_cleanup(); - - return 0; -} - |