1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
#pragma once
#include <wolff/state.hpp>
#include <wolff/meas.h>
#include "correlation.hpp"
#include <functional>
#define POSSIBLE_MEASUREMENTS 4
const unsigned char measurement_energy = 1 << 0;
const unsigned char measurement_clusterSize = 1 << 1;
const unsigned char measurement_magnetization = 1 << 2;
const unsigned char measurement_fourierZero = 1 << 3;
char const *measurement_labels[] = {"E", "S", "M", "F"};
template <class R_t, class X_t>
class wolff_research_measurements : public wolff_measurement<R_t, X_t> {
private:
std::vector<std::vector<double>> precomputed_sin;
std::vector<std::vector<double>> precomputed_cos;
FILE **files;
D_t D;
unsigned char flags;
std::function <void(const state_t <R_t, X_t>&, const wolff_research_measurements<R_t, X_t>&)> other_f;
bool silent;
public:
v_t last_cluster_size;
double E;
typename X_t::M_t M;
std::vector<typename X_t::F_t> ReF;
std::vector<typename X_t::F_t> ImF;
wolff_research_measurements(unsigned char flags, unsigned long timestamp, std::function <void(const state_t <R_t, X_t>&, const wolff_research_measurements<R_t, X_t>&)> other_f, state_t<R_t, X_t>& s, bool silent) : flags(flags), D(s.D), other_f(other_f), silent(silent) {
FILE **files = (FILE **)calloc(POSSIBLE_MEASUREMENTS, sizeof(FILE *));
for (uint8_t i = 0; i < POSSIBLE_MEASUREMENTS; i++) {
if (flags & (1 << i)) {
char *filename = (char *)malloc(255 * sizeof(char));
sprintf(filename, "wolff_%lu_%s.dat", timestamp, measurement_labels[i]);
files[i] = fopen(filename, "wb");
free(filename);
}
}
#ifdef BOND_DEPENDENCE
E = 0;
for (v_t v = 0; v < s.nv; v++) {
for (const v_t &vn : s.g.v_adj[v]) {
if (v < vn) {
E -= s.J(v, s.spins[v], vn, s.spins[vn]);
}
}
}
#else
E = - (double)s.ne * s.J(s.spins[0], s.spins[0]);
#endif
#ifndef NOFIELD
#ifdef SITE_DEPENDENCE
for (v_t i = 0; i < s.nv; i++) {
E -= s.H(i, s.spins[i]);
}
#else
E -= (double)s.nv * s.H(s.spins[0]);
#endif
#endif
M = s.spins[0] * s.nv;
ReF.resize(s.D);
ImF.resize(s.D);
for (D_t i = 0; i < s.D; i++) {
ReF[i] = s.spins[0] * 0.0;
ImF[i] = s.spins[0] * 0.0;
}
precomputed_cos.resize(s.nv);
precomputed_sin.resize(s.nv);
for (v_t i = 0; i < s.nv; i++) {
precomputed_cos[i].resize(s.D);
precomputed_sin[i].resize(s.D);
for (D_t j = 0; j < s.D; j++) {
precomputed_cos[i][j] = cos(2 * M_PI * s.g.coordinate[i][j] / (double)s.L);
precomputed_sin[i][j] = sin(2 * M_PI * s.g.coordinate[i][j] / (double)s.L);
}
}
if (!silent) printf("\n");
}
void pre_cluster(const state_t<R_t, X_t>& s, count_t step, count_t N, v_t v0, const R_t& R) {
last_cluster_size = 0;
if (!silent) printf("\033[F\033[JWOLFF: step %" PRIu64 " / %" PRIu64 ": E = %.2f, S = %" PRIv "\n", step, N, E, last_cluster_size);
}
void plain_bond_added(v_t vi, const X_t& si_old, const X_t& si_new, v_t vn, const X_t& sn, double dE) {
E += dE;
}
void ghost_bond_added(v_t v, const X_t& rs_old, const X_t& rs_new, double dE) {
E += dE;
M += rs_new - rs_old;
#ifdef DIMENSION
for (D_t i = 0; i < DIMENSION; i++)
#else
for (D_t i = 0; i < D; i++)
#endif
{
ReF[i] += (rs_new - rs_old) * precomputed_cos[v][i];
ImF[i] += (rs_new - rs_old) * precomputed_sin[v][i];
}
}
void plain_site_transformed(v_t v, const X_t& s_old, const X_t& s_new) {
last_cluster_size++;
}
void ghost_site_transformed(const R_t& r_old, const R_t& r_new) {
}
void post_cluster(const state_t<R_t, X_t>& s, count_t step, count_t N) {
if (flags & measurement_energy) {
float smaller_E = (float)E;
fwrite(&smaller_E, sizeof(float), 1, files[0]);
}
if (flags & measurement_clusterSize) {
fwrite(&(last_cluster_size), sizeof(uint32_t), 1, files[1]);
}
if (flags & measurement_magnetization) {
write_magnetization(M, files[2]);
}
if (flags & measurement_fourierZero) {
float smaller_X = (float)correlation_length<X_t>(ReF, ImF, D);
fwrite(&smaller_X, sizeof(float), 1, files[3]);
}
other_f(s, *this);
}
~wolff_research_measurements() {
for (uint8_t i = 0; i < POSSIBLE_MEASUREMENTS; i++) {
if (flags & (1 << i)) {
fclose(files[i]);
}
}
if (!silent) {
printf("\033[F\033[J");
}
printf("WOLFF COMPLETE: E = %.2f, S = %" PRIv "\n", E, last_cluster_size);
free(files);
}
};
|
