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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
#include "genlib.h"
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#include "geostat.h"
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#include "log.h"
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#include "memory.h"
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#include <math.h>
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#include <time.h>
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/*selection of model covariance*/
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double cov_value(struct vario_mod variogram, double di, double dj, double dk, int cores) {
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double* used_ram_t0 = malloc(sizeof(double));
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getVirtualMemUsed(used_ram_t0);
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clock_t t = clock();
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log_info("RESULT = in progress, di = %f, dj = %f, dk = %f", di, dj, dk);
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struct cpustat initial[cores];
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struct cpustat final[cores];
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for (int i = 0; i < cores; i++) {
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get_stats(&initial[i], i - 1);
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}
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double hx, hy, hz, h;
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double cov;
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int k;
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cov = 0.;
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for (k = 0; k < variogram.Nvario; k++) {
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hx = di * variogram.ap[9 * k] + dj * variogram.ap[9 * k + 1] + dk * variogram.ap[9 * k + 2];
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hy = di * variogram.ap[9 * k + 3] + dj * variogram.ap[9 * k + 4] + dk * variogram.ap[9 * k + 5];
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hz = di * variogram.ap[9 * k + 6] + dj * variogram.ap[9 * k + 7] + dk * variogram.ap[9 * k + 8];
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h = sqrt(hx * hx + hy * hy + hz * hz);
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switch (variogram.vario[k]) {
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case 1:
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cov += variogram.var[k] * exponential(h);
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break;
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case 2:
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cov += variogram.var[k] * gaussian(h);
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break;
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case 3:
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cov += variogram.var[k] * spherical(h);
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break;
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case 4:
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cov += variogram.var[k] * cardsin(h, cores);
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break;
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case 5:
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cov += variogram.var[k] * stable(h, variogram.alpha[k]);
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break;
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case 6:
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cov += variogram.var[k] * gammf(h, variogram.alpha[k], cores);
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break;
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case 7:
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cov += variogram.var[k] * cubic(h, cores);
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break;
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case 8:
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cov += variogram.var[k] * nugget(h);
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break;
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case 9:
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cov += variogram.var[k] * power(h, variogram.alpha[k]);
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break;
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}
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}
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t = clock() - t;
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double time_taken = ((double)t)/CLOCKS_PER_SEC; // calculate the elapsed time
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for (int i = 0; i < cores; i++) {
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get_stats(&final[i], i - 1);
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}
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for (int i = 0; i < cores; i++) {
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log_info("CPU %d: %lf%%", i, calculate_load(&initial[i], &final[i]));
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}
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double* used_ram_tf = malloc(sizeof(double));
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getVirtualMemUsed(used_ram_tf);
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log_info("RESULT = success, cov = %f, hx = %f, hy = %f, hz = %f, h = %f , ELAPSED = %f seconds, DIF USED VIRTUAL MEM = %5.1f MB", cov, hx, hy, hz, h, time_taken, *used_ram_tf - *used_ram_t0);
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free(used_ram_t0);
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free(used_ram_tf);
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return cov;
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}
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