#include <math.h>
#include <stdio.h>
#include <sys/time.h>

int main(int argc, char *argv[]) {
  double v;
  struct timeval t;

  gettimeofday(&t, NULL);
  v = t.tv_sec;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  v = 123;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  v = 123456;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  v = 1234567890;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  v = 210828714.0;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  v = 210828715.0;
  printf("v = %f - cos = %f - sin = %f\n", v, cos(v), sin(v));
  return 0;
}

## Output
v = 1317025570.000000 - cos = 1317025570.000000 - sin = 1317025570.000000
v = 123.000000 - cos = -0.887969 - sin = -0.459903
v = 123456.000000 - cos = -0.672295 - sin = -0.740283
v = 1234567890.000000 - cos = 1234567890.000000 - sin = 1234567890.000000
v = 210828714.000000 - cos = 210828714.000000 - sin = -0.132763
v = 210828715.000000 - cos = 210828715.000000 - sin = 210828715.000000