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#include "fracture.h"
#include <gsl/gsl_sf_erf.h>
#include <gsl/gsl_sf_laguerre.h>
#include <gsl/gsl_matrix.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_blas.h>
#include <sys/stat.h>
void get_mean(uint_t len, long double *data, long double result[2]) {
long double total = 0;
for (uint_t i = 0; i < len; i++) {
total += data[i];
}
long double mean = total / len;
long double total_sq_diff = 0;
for (uint_t i = 0; i < len; i++) {
total_sq_diff += pow(mean - data[i], 2);
}
long double mean_err = sqrt(total_sq_diff) / len;
result[0] = mean;
result[1] = mean_err;
}
void get_mom(uint_t len, uint_t n, long double *data, long double mean[2], long double result[2]) {
long double total_n_diff = 0;
long double total_n2_diff = 0;
for (uint_t i = 0; i < len; i++) {
total_n_diff += pow(fabsl(mean[0] - data[i]), n);
total_n2_diff += pow(fabsl(mean[0] - data[i]), 2 * n);
}
long double mom = total_n_diff / len;
long double mom_err = sqrt(total_n2_diff) / len;
result[0] = mom;
result[1] = mom_err;
}
int main(int argc, char *argv[]) {
uint_t nc = argc - 1;
uint_t *Ls_c = (uint_t *)malloc(nc * sizeof(uint_t));
double *betas_c = (double *)malloc(nc * sizeof(double));
long double *vals_c1 = (long double *)malloc(nc * sizeof(long double));
long double *errors_c1 = (long double *)malloc(nc * sizeof(long double));
long double *vals_c2 = (long double *)malloc(nc * sizeof(long double));
long double *errors_c2 = (long double *)malloc(nc * sizeof(long double));
long double *vals_c3 = (long double *)malloc(nc * sizeof(long double));
long double *errors_c3 = (long double *)malloc(nc * sizeof(long double));
long double *vals_c4 = (long double *)malloc(nc * sizeof(long double));
long double *errors_c4 = (long double *)malloc(nc * sizeof(long double));
char *out_filename = (char *)malloc(100 * sizeof(char));
uint_t out_filename_len = 0;
for (uint_t i = 0; i < nc; i++) {
char *fn = argv[1 + i];
char *buff = (char *)malloc(20 * sizeof(char));
uint_t pos = 0; uint_t c = 0;
while (c < 6) {
if (fn[pos] == '_') {
c++;
}
if (i == 0) {
out_filename[pos] = fn[pos];
out_filename_len++;
}
pos++;
}
c = 0;
while (fn[pos] != '_') {
buff[c] = fn[pos];
pos++;
c++;
}
buff[c] = '\0';
Ls_c[i] = atoi(buff);
c = 0;
pos++;
while (fn[pos] != '_') {
buff[c] = fn[pos];
pos++;
c++;
}
buff[c] = '\0';
betas_c[i] = atof(buff);
free(buff);
struct stat info;
stat(fn, &info);
uint_t num_bytes = info.st_size;
uint_t dist_len = (num_bytes * sizeof(char)) / sizeof(long double);
long double *dist = malloc(dist_len * sizeof(long double));
FILE *dist_file = fopen(fn, "rb");
fread(dist, sizeof(long double), dist_len, dist_file);
fclose(dist_file);
{
long double mom1[2];
get_mean(dist_len, dist, mom1);
vals_c1[i] = mom1[0];
errors_c1[i] = mom1[1];
long double mom2[2];
get_mom(dist_len, 2, dist, mom1, mom2);
vals_c2[i] = mom2[0];
errors_c2[i] = mom2[1];
long double mom3[2];
get_mom(dist_len, 3, dist, mom1, mom3);
vals_c3[i] = mom3[0];
errors_c3[i] = mom3[1];
long double mom4[2];
get_mom(dist_len, 4, dist, mom1, mom4);
vals_c4[i] = mom4[0];
errors_c4[i] = mom4[1];
}
free(dist);
}
out_filename[out_filename_len-1] = '.';
out_filename[out_filename_len] = 't';
out_filename[out_filename_len+1] = 'x';
out_filename[out_filename_len+2] = 't';
out_filename[out_filename_len+3] = '\0';
FILE *out_file = fopen(out_filename, "w");
for (uint_t i = 0; i < nc; i++) {
fprintf(out_file, "%u %g %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", Ls_c[i], betas_c[i], vals_c1[i], errors_c1[i], vals_c2[i], errors_c2[i], vals_c3[i], errors_c3[i], vals_c4[i], errors_c4[i]);
}
fclose(out_file);
free(Ls_c);
free(betas_c);
free(vals_c1);
free(errors_c1);
free(vals_c2);
free(errors_c2);
free(vals_c3);
free(errors_c3);
free(vals_c4);
free(errors_c4);
return 0;
}
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