removed a lot of research code to simplify library and examples for publication

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;
-}
-