You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
973 B
C
42 lines
973 B
C
#include "genlib.h"
|
|
#include "log.h"
|
|
#include <math.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
|
|
/*cardsin covariance function*/
|
|
double cardsin(double h) {
|
|
clock_t t = clock();
|
|
|
|
log_info("RESULT = in progress, h = %f", h);
|
|
|
|
float delta = 20.371;
|
|
double z;
|
|
|
|
if (h != 0) {
|
|
z = (double)(h * delta);
|
|
z = sin(z) / z;
|
|
} else {
|
|
z = 1.;
|
|
}
|
|
|
|
t = clock() - t;
|
|
double time_taken = ((double)t)/CLOCKS_PER_SEC; // calculate the elapsed time
|
|
|
|
double* total_ram = malloc(sizeof(double));
|
|
getTotalVirtualMem(total_ram);
|
|
|
|
double* used_ram = malloc(sizeof(double));
|
|
getVirtualMemUsed(used_ram);
|
|
|
|
log_info("TOTAL VIRTUAL MEM = %5.1f MB, USED VIRTUAL MEM = %5.1f MB, USED VIRTUAL MEM BY CURRENT PROCESS = %d MB",
|
|
*total_ram, *used_ram, getVirtualMemUsedByCurrentProcess());
|
|
|
|
free(total_ram);
|
|
free(used_ram);
|
|
|
|
log_info("RESULT = success, z = %f, ELAPSED = %f seconds", z, time_taken);
|
|
|
|
return z;
|
|
}
|