void fiAddNoise(float *u, float *v, float std, long int randinit, int size) {
//srand48( (long int) time (NULL) + (long int) getpid() + (long int) randinit);
mt_init_genrand((unsigned long int) time (NULL) + (unsigned long int) getpid() + (unsigned long int) randinit);
for (int i=0; i< size; i++) {
//double a = drand48();
//double b = drand48();
double a=mt_genrand_res53();
double b=mt_genrand_res53();
double z = (double)(std)*sqrt(-2.0*log(a))*cos(2.0*M_PI*b);
v[i] = u[i] + (float) z;
}
}
void main(void){
mt_t mt;
uint32_t init[4] = {61731, 24903, 614, 42143};
unsigned int length = 4;
mt_init_by_array(&mt, init, length);
for (int i = 0; i < 2000; i++) {
printf("%.16f ", mt_genrand_res53(&mt));
if (i%5==4)
printf("\n");
}
}