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#pragma once
#include <stdlib.h>
#include <cmath>
#include "types.h"
template <q_t q, class T>
struct vector_t { T *x; };
template <q_t q, class T>
void init(vector_t <q, T> *ptr) {
ptr->x = (T *)calloc(q, sizeof(T));
ptr->x[0] = (T)1;
}
template <q_t q, class T>
vector_t <q, T> copy (vector_t <q, T> v) {
vector_t <q, T> v_copy;
v_copy.x = (T *)calloc(q, sizeof(T));
for (q_t i = 0; i < q; i++) {
v_copy.x[i] = v.x[i];
}
return v_copy;
}
template <q_t q, class T>
void add (vector_t <q, T> *v1, vector_t <q, T> v2) {
for (q_t i = 0; i < q; i++) {
v1->x[i] += v2.x[i];
}
}
template <q_t q, class T>
void subtract (vector_t <q, T> *v1, vector_t <q, T> v2) {
for (q_t i = 0; i < q; i++) {
v1->x[i] -= v2.x[i];
}
}
template <q_t q, class T>
vector_t <q, T> scalar_multiple(v_t a, vector_t <q, T> v) {
vector_t <q, T> multiple;
multiple.x = (T *)malloc(q * sizeof(T));
for (q_t i = 0; i < q; i++) {
multiple.x[i] = a * v.x[i];
}
return multiple;
}
template <q_t q, class T>
T dot(vector_t <q, T> v1, vector_t <q, T> v2) {
T prod = 0;
for (q_t i = 0; i < q; i++) {
prod += v1.x[i] * v2.x[i];
}
return prod;
}
template <q_t q, class T>
void free_spin (vector_t <q, T> v) {
free(v.x);
}
template <q_t q, class T>
void write_magnetization(vector_t <q, T> M, FILE *outfile) {
fwrite(M.x, sizeof(T), q, outfile);
}
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.x[i];
fwrite(&M_tmp, sizeof(float), 1, outfile);
}
}
template <q_t q, class T>
double correlation_component(vector_t <q, T> v) {
return (double)v.x[0];
}
template <q_t q, class T>
double H_vector(vector_t <q, T> v1, T *H) {
vector_t <q, T> H_vec;
H_vec.x = H;
return (double)(dot <q, T> (v1, H_vec));
}
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