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-rw-r--r--examples/src/models/On/CMakeLists.txt29
-rw-r--r--examples/src/models/On/orthogonal.hpp202
-rw-r--r--examples/src/models/On/vector.hpp118
-rw-r--r--examples/src/models/On/wolff_On.cpp269
4 files changed, 0 insertions, 618 deletions
diff --git a/examples/src/models/On/CMakeLists.txt b/examples/src/models/On/CMakeLists.txt
deleted file mode 100644
index 1b2e058..0000000
--- a/examples/src/models/On/CMakeLists.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-
-add_executable(wolff_planar wolff_On.cpp)
-add_executable(wolff_planar_2d_no-field wolff_On.cpp)
-add_executable(wolff_heisenberg wolff_On.cpp)
-
-set_target_properties(wolff_planar PROPERTIES COMPILE_FLAGS "-DN_COMP=2")
-set_target_properties(wolff_planar_2d_no-field PROPERTIES COMPILE_FLAGS "-DN_COMP=2 -DDIMENSION=2 -DNOFIELD")
-set_target_properties(wolff_heisenberg PROPERTIES COMPILE_FLAGS "-DN_COMP=3")
-
-find_library(GL NAMES GL)
-find_library(GLU NAMES GLU)
-find_library(GLUT NAMES glut)
-
-if (${GLUT} MATCHES "GLUT-NOTFOUND")
- target_link_libraries(wolff_planar wolff wolff_examples)
- target_link_libraries(wolff_planar_2d_no-field wolff wolff_examples)
- target_link_libraries(wolff_heisenberg wolff wolff_examples)
-else()
- target_compile_definitions(wolff_planar PUBLIC HAVE_GLUT)
- target_compile_definitions(wolff_planar_2d_no-field PUBLIC HAVE_GLUT)
- target_compile_definitions(wolff_heisenberg PUBLIC HAVE_GLUT)
-
- target_link_libraries(wolff_planar wolff wolff_examples glut GL GLU)
- target_link_libraries(wolff_planar_2d_no-field wolff wolff_examples glut GL GLU)
- target_link_libraries(wolff_heisenberg wolff wolff_examples glut GL GLU)
-endif()
-
-install(TARGETS wolff_planar wolff_planar_2d_no-field wolff_heisenberg DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
-
diff --git a/examples/src/models/On/orthogonal.hpp b/examples/src/models/On/orthogonal.hpp
deleted file mode 100644
index f13357f..0000000
--- a/examples/src/models/On/orthogonal.hpp
+++ /dev/null
@@ -1,202 +0,0 @@
-
-#pragma once
-
-#include <stdlib.h>
-#include <random>
-#include <cmath>
-
-#include <wolff/state.hpp>
-#include <wolff/types.h>
-#include "vector.hpp"
-
-template <q_t q, class T>
-class orthogonal_t : public std::array<std::array<T, q>, q> {
- public :
- bool is_reflection;
-
- orthogonal_t() : is_reflection(false) {
- for (q_t i = 0; i < q; i++) {
- (*this)[i].fill(0);
- (*this)[i][i] = (T)1;
- }
- }
-
- vector_t<q, T> act(const vector_t <q, T>& v) const {
- vector_t <q, T> v_rot;
- v_rot.fill(0);
-
- if (is_reflection) {
- double prod = 0;
- for (q_t i = 0; i < q; i++) {
- prod += v[i] * (*this)[0][i];
- }
- for (q_t i = 0; i < q; i++) {
- v_rot[i] = v[i] - 2 * prod * (*this)[0][i];
- }
- } else {
- for (q_t i = 0; i < q; i++) {
- for (q_t j = 0; j < q; j++) {
- v_rot[i] += (*this)[i][j] * v[j];
- }
- }
- }
-
- return v_rot;
- }
-
- orthogonal_t<q, T> act(const orthogonal_t <q, T>& m) const {
- orthogonal_t <q, T> m_rot;
-
- m_rot.is_reflection = false;
-
- if (is_reflection) {
- for (q_t i = 0; i < q; i++) {
- double akOki = 0;
-
- for (q_t k = 0; k < q; k++) {
- akOki += (*this)[0][k] * m[k][i];
- }
-
- for (q_t j = 0; j < q; j++) {
- m_rot[j][i] = m[j][i] - 2 * akOki * (*this)[0][j];
- }
- }
- } else {
- for (q_t i = 0; i < q; i++) {
- m_rot[i].fill(0);
- for (q_t j = 0; j < q; j++) {
- for (q_t k = 0; k < q; k++) {
- m_rot[i][j] += (*this)[i][j] * m[j][k];
- }
- }
- }
- }
-
- return m_rot;
- }
-
- vector_t <q, T> act_inverse(const vector_t <q, T>& v) const {
- if (is_reflection) {
- return this->act(v); // reflections are their own inverse
- } else {
- vector_t <q, T> v_rot;
- v_rot.fill(0);
-
- for (q_t i = 0; i < q; i++) {
- for (q_t j = 0; j < q; j++) {
- v_rot[i] += (*this)[j][i] * v[j];
- }
- }
-
- return v_rot;
- }
- }
-
- vector_t <q, T> act_inverse(const orthogonal_t <q, T>& m) const {
- if (is_reflection) {
- return this->act(m); // reflections are their own inverse
- } else {
- orthogonal_t <q, T> m_rot;
- m_rot.is_reflection = false;
-
- for (q_t i = 0; i < q; i++) {
- m_rot[i].fill(0);
- for (q_t j = 0; j < q; j++) {
- for (q_t k = 0; k < q; k++) {
- m_rot[i][j] += (*this)[j][i] * m[j][k];
- }
- }
- }
-
- return m_rot;
- }
- }
-
-};
-
-
-template <q_t q>
-orthogonal_t <q, double> generate_rotation_uniform (std::mt19937& r, const vector_t <q, double>& v) {
- std::normal_distribution<double> dist(0.0,1.0);
- orthogonal_t <q, double> ptr;
- ptr.is_reflection = true;
-
- double v2 = 0;
-
- for (q_t i = 0; i < q; i++) {
- ptr[0][i] = dist(r);
- v2 += ptr[0][i] * ptr[0][i];
- }
-
- double mag_v = sqrt(v2);
-
- for (q_t i = 0; i < q; i++) {
- ptr[0][i] /= mag_v;
- }
-
- return ptr;
-}
-
-template <q_t q>
-orthogonal_t <q, double> generate_rotation_perturbation (std::mt19937& r, const vector_t <q, double>& v0, double epsilon, unsigned int n) {
- std::normal_distribution<double> dist(0.0,1.0);
- orthogonal_t <q, double> m;
- m.is_reflection = true;
-
- vector_t <q, double> v;
-
- if (n > 1) {
- std::uniform_int_distribution<unsigned int> udist(0, n);
- unsigned int rotation = udist(r);
-
- double cosr = cos(2 * M_PI * rotation / (double)n / 2.0);
- double sinr = sin(2 * M_PI * rotation / (double)n / 2.0);
-
- v[0] = v0[0] * cosr - v0[1] * sinr;
- v[1] = v0[1] * cosr + v0[0] * sinr;
-
- for (q_t i = 2; i < q; i++) {
- v[i] = v0[i];
- }
- } else {
- v = v0;
- }
-
- double m_dot_v = 0;
-
- for (q_t i = 0; i < q; i++) {
- m[0][i] = dist(r); // create a random vector
- m_dot_v += m[0][i] * v[i];
- }
-
- double v2 = 0;
-
- for (q_t i = 0; i < q; i++) {
- m[0][i] = m[0][i] - m_dot_v * v[i]; // find the component orthogonal to v
- v2 += pow(m[0][i], 2);
- }
-
- double mag_v = sqrt(v2);
-
- for (q_t i = 0; i < q; i++) {
- m[0][i] /= mag_v; // normalize
- }
-
- v2 = 0;
-
- double factor = epsilon * dist(r);
-
- for (q_t i = 0; i < q; i++) {
- m[0][i] += factor * v[i]; // perturb orthogonal vector in original direction
- v2 += pow(m[0][i], 2);
- }
-
- mag_v = sqrt(v2);
-
- for (q_t i = 0; i < q; i++) {
- m[0][i] /= mag_v; // normalize
- }
-
- return m;
-}
-
diff --git a/examples/src/models/On/vector.hpp b/examples/src/models/On/vector.hpp
deleted file mode 100644
index 1cdb60a..0000000
--- a/examples/src/models/On/vector.hpp
+++ /dev/null
@@ -1,118 +0,0 @@
-
-#pragma once
-
-#include <stdlib.h>
-#include <cmath>
-#include <array>
-
-#include <wolff/types.h>
-
-template <q_t q, class T>
-class vector_t : public std::array<T, q> {
- public:
-
- // M_t needs to hold the sum of nv spins
- typedef vector_t <q, T> M_t;
-
- // F_t needs to hold the double-weighted sum of spins
- typedef vector_t <q, double> F_t;
-
- vector_t() {
- this->fill((T)0);
- (*this)[1] = (T)1;
- }
-
- vector_t(const T *x) {
- for (q_t i = 0; i < q; i++) {
- (*this)[i] = x[i];
- }
- }
-
- template <class U>
- inline vector_t<q, T>& operator+=(const vector_t<q, U> &v) {
- for (q_t i = 0; i < q; i++) {
- (*this)[i] += (U)v[i];
- }
- return *this;
- }
-
- template <class U>
- inline vector_t<q, T>& operator-=(const vector_t<q, U> &v) {
- for (q_t i = 0; i < q; i++) {
- (*this)[i] -= (U)v[i];
- }
- return *this;
- }
-
- inline vector_t<q, T> operator*(v_t x) const {
- vector_t<q, T> result;
- for (q_t i = 0; i < q; i++) {
- result[i] = x * (*this)[i];
- }
-
- return result;
- }
-
- inline vector_t<q, double> operator*(double x) const {
- vector_t<q, double> result;
- for (q_t i = 0; i < q; i++) {
- result[i] = x * (*this)[i];
- }
-
- return result;
- }
-
- inline vector_t<q, T> operator-(const vector_t<q, T>& v) const {
- vector_t<q, T> diff = *this;
- diff -= v;
- return diff;
- }
-};
-
-
-template<q_t q, class T>
-double norm_squared(vector_t<q, T> v) {
- double tmp = 0;
- for (T &x : v) {
- tmp += pow(x, 2);
- }
-
- return tmp;
-}
-
-template <q_t q, class T>
-void write_magnetization(vector_t <q, T> M, FILE *outfile) {
- for (q_t i = 0; i < q; i++) {
- fwrite(&(M[i]), sizeof(T), q, outfile);
- }
-}
-
-// below functions and definitions are unnecessary for wolff.h but useful.
-
-template <q_t q> // save some space and don't write whole doubles
-void write_magnetization(vector_t <q, double> M, FILE *outfile) {
- for (q_t i = 0; i < q; i++) {
- float M_tmp = (float)M[i];
- fwrite(&M_tmp, sizeof(float), 1, outfile);
- }
-}
-
-template <q_t q, class T>
-T dot(const vector_t <q, T>& v1, const vector_t <q, T>& v2) {
- T prod = 0;
-
- for (q_t i = 0; i < q; i++) {
- prod += v1[i] * v2[i];
- }
-
- return prod;
-}
-
-template <q_t q, class T>
-double H_vector(const vector_t <q, T>& v1, T *H) {
- vector_t <q, T> H_vec(H);
- return (double)(dot <q, T> (v1, H_vec));
-}
-
-char const *ON_strings[] = {"TRIVIAL", "ISING", "PLANAR", "HEISENBERG"};
-
diff --git a/examples/src/models/On/wolff_On.cpp b/examples/src/models/On/wolff_On.cpp
deleted file mode 100644
index 67f28a5..0000000
--- a/examples/src/models/On/wolff_On.cpp
+++ /dev/null
@@ -1,269 +0,0 @@
-
-#include <getopt.h>
-#include <stdio.h>
-
-#ifdef HAVE_GLUT
-#include <GL/glut.h>
-#endif
-
-#include "orthogonal.hpp"
-#include "vector.hpp"
-
-#include <wolff.hpp>
-#include <measure.hpp>
-#include <colors.h>
-#include <randutils/randutils.hpp>
-
-typedef orthogonal_t <N_COMP, double> orthogonal_R_t;
-typedef vector_t <N_COMP, double> vector_R_t;
-typedef state_t <orthogonal_R_t, vector_R_t> On_t;
-
-// angle from the x-axis of a two-vector
-double theta(vector_R_t v) {
- double x = v[0];
- double y = v[1];
-
- double val = atan(y / x);
-
- if (x < 0.0 && y > 0.0) {
- return M_PI + val;
- } else if ( x < 0.0 && y < 0.0 ) {
- return - M_PI + val;
- } else {
- return val;
- }
-}
-
-double H_modulated(vector_R_t v, int order, double mag) {
- return mag * cos(order * theta(v));
-}
-
-int main(int argc, char *argv[]) {
-
- count_t N = (count_t)1e7;
-
-#ifdef DIMENSION
- D_t D = DIMENSION;
-#else
- D_t D = 2;
-#endif
- L_t L = 128;
- double T = 2.26918531421;
- double *H_vec = (double *)calloc(MAX_Q, sizeof(double));
-
- bool silent = false;
- bool use_pert = false;
- bool N_is_sweeps = false;
- bool draw = false;
- unsigned int window_size = 512;
-
- bool modulated_field = false;
- unsigned int order = 1;
-
- int opt;
- q_t H_ind = 0;
- double epsilon = 1;
-
-// unsigned char measurement_flags = measurement_energy | measurement_clusterSize;
-
- unsigned char measurement_flags = 0;
-
- while ((opt = getopt(argc, argv, "N:D:L:T:H:spe:mo:M:Sdw:")) != -1) {
- switch (opt) {
- case 'N': // number of steps
- N = (count_t)atof(optarg);
- break;
-#ifdef DIMENSION
- case 'D': // dimension
- printf("Dimension was specified at compile time, you can't change it now!\n");
- exit(EXIT_FAILURE);
-#else
- case 'D': // dimension
- D = atoi(optarg);
- break;
-#endif
- 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_vec[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;
- case 'm':
- modulated_field = true;
- break;
- case 'M':
- measurement_flags ^= 1 << atoi(optarg);
- break;
- case 'o':
- order = atoi(optarg);
- break;
- case 'S':
- N_is_sweeps = true;
- break;
- case 'd':
-#ifdef HAVE_GLUT
- draw = true;
- break;
-#else
- printf("You didn't compile this with the glut library installed!\n");
- exit(EXIT_FAILURE);
-#endif
- case 'w':
- window_size = atoi(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;
- }
-
- const char *pert_type;
-
- std::function <orthogonal_R_t(std::mt19937&, vector_R_t)> gen_R;
-
- if (use_pert) {
- double Hish;
- if (modulated_field) {
- Hish = fabs(H_vec[0]);
- } else {
- double H2 = 0;
- for (q_t i = 0; i < N_COMP; i++) {
- H2 += pow(H_vec[i], 2);
- }
- Hish = sqrt(H2);
- }
-
- epsilon = sqrt((N_COMP - 1) * T / (D + Hish / 2)) / 2;
-
- gen_R = std::bind(generate_rotation_perturbation <N_COMP>, std::placeholders::_1, std::placeholders::_2, epsilon, order);
- pert_type = "PERTURB5";
- } else {
- gen_R = generate_rotation_uniform <N_COMP>;
- pert_type = "UNIFORM";
- }
-
- FILE *outfile_info = fopen("wolff_metadata.txt", "a");
-
- fprintf(outfile_info, "<| \"ID\" -> %lu, \"MODEL\" -> \"%s\", \"q\" -> %d, \"D\" -> %" PRID ", \"L\" -> %" PRIL ", \"NV\" -> %" PRIv ", \"NE\" -> %" PRIv ", \"T\" -> %.15f, \"FIELD_TYPE\" -> ", timestamp, ON_strings[N_COMP], N_COMP, D, L, (v_t)pow(L, D), D * (v_t)pow(L, D), T);
- if (modulated_field) {
- fprintf(outfile_info, "\"MODULATED\", \"ORDER\" -> %d, \"H\" -> %.15f, ", order, H_vec[0]);
- } else {
- fprintf(outfile_info, "\"VECTOR\", \"H\" -> {");
- for (q_t i = 0; i < N_COMP; i++) {
- fprintf(outfile_info, "%.15f", H_vec[i]);
- if (i < N_COMP - 1) {
- fprintf(outfile_info, ", ");
- }
- }
- fprintf(outfile_info, "}, ");
- }
-
- fprintf(outfile_info, "\"GENERATOR\" -> \"%s\"", pert_type);
-
- if (use_pert) {
- fprintf(outfile_info, ", \"EPS\" -> %g", epsilon);
- }
-
- fprintf(outfile_info, " |>\n");
-
- fclose(outfile_info);
-
- std::function <void(const On_t&, const wolff_research_measurements<orthogonal_R_t, vector_R_t>&)> other_f;
- uint64_t sum_of_clusterSize = 0;
-
- if (N_is_sweeps) {
- other_f = [&] (const On_t& s, const wolff_research_measurements<orthogonal_R_t, vector_R_t>& m) {
- sum_of_clusterSize += m.last_cluster_size;
- };
- } else if (draw) {
-#ifdef HAVE_GLUT
- // initialize glut
- glutInit(&argc, argv);
- glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
- glutInitWindowSize(window_size, window_size);
- glutCreateWindow("wolff");
- glClearColor(0.0,0.0,0.0,0.0);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(0.0, L, 0.0, L);
-
- other_f = [&] (const On_t& s, const wolff_research_measurements<orthogonal_R_t, vector_R_t>& m) {
- glClear(GL_COLOR_BUFFER_BIT);
- for (v_t i = 0; i < pow(L, 2); i++) {
-#ifdef NOFIELD
- vector_R_t v_tmp = s.spins[i];
-#else
- vector_R_t v_tmp = s.R.act_inverse(s.spins[i]);
-#endif
- double thetai = fmod(2 * M_PI + theta(v_tmp), 2 * M_PI);
- double saturation = 0.7;
- double value = 0.9;
- double chroma = saturation * value;
- glColor3f(chroma * hue_to_R(thetai) + (value - chroma), chroma * hue_to_G(thetai) + (value - chroma), chroma * hue_to_B(thetai) + (value - chroma));
- glRecti(i / L, i % L, (i / L) + 1, (i % L) + 1);
- }
- glFlush();
- };
-#endif
- } else {
- other_f = [] (const On_t& s, const wolff_research_measurements<orthogonal_R_t, vector_R_t>& m) {};
- }
-
- std::function <double(const vector_R_t&)> H;
-
- if (modulated_field) {
- H = std::bind(H_modulated, std::placeholders::_1, order, H_vec[0]);
- } else {
- H = std::bind(H_vector <N_COMP, double>, std::placeholders::_1, H_vec);
- }
-
- // initialize random number generator
- randutils::auto_seed_128 seeds;
- std::mt19937 rng{seeds};
-
-#ifndef NOFIELD
- state_t <orthogonal_R_t, vector_R_t> s(D, L, T, dot <N_COMP, double>, H);
-#else
- state_t <orthogonal_R_t, vector_R_t> s(D, L, T, dot <N_COMP, double>);
-#endif
-
- wolff_research_measurements<orthogonal_R_t, vector_R_t> m(measurement_flags, timestamp, other_f, s, silent);
-
- if (N_is_sweeps) {
- count_t N_rounds = 0;
- printf("\n");
- while (sum_of_clusterSize < N * s.nv) {
- printf("\033[F\033[J\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, S = %" PRIv "\n", (count_t)((double)sum_of_clusterSize / (double)s.nv), N, m.E, m.last_cluster_size);
- wolff <orthogonal_R_t, vector_R_t> (N, s, gen_R, m, rng);
- N_rounds++;
- }
- printf("\033[F\033[J\033[F\033[JWOLFF: sweep %" PRIu64 " / %" PRIu64 ": E = %.2f, S = %" PRIv "\n\n", (count_t)((double)sum_of_clusterSize / (double)s.nv), N, m.E, m.last_cluster_size);
- } else {
- wolff <orthogonal_R_t, vector_R_t> (N, s, gen_R, m, rng);
- }
-
- free(H_vec);
-
- return 0;
-}
-