You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
786 B
31 lines
786 B
2 years ago
|
/*
|
||
|
|
* Copyright(C) 1999-2020, 2022 National Technology & Engineering Solutions
|
||
|
|
* of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
|
||
|
|
* NTESS, the U.S. Government retains certain rights in this software.
|
||
|
|
*
|
||
|
|
* See packages/seacas/LICENSE for details
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "chaco_random.h"
|
||
|
|
|
||
|
|
/* Randomly permute elements of an array. */
|
||
|
|
void randomize(int *array, int n)
|
||
|
|
/* array of integer values */
|
||
|
|
/* number of values */
|
||
|
|
{
|
||
|
|
int i; /* loop counter */
|
||
|
|
double drandom(void);
|
||
|
|
|
||
|
|
for (i = 1; i <= n; i++) {
|
||
|
|
double value = drandom();
|
||
|
|
int index = n * value + 1;
|
||
|
|
int temp = array[i];
|
||
|
|
array[i] = array[index];
|
||
|
|
array[index] = temp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
double drandom(void) { return rand_rect_port(); }
|
||
|
|
|
||
|
|
void setrandom(long int seed) { init_rand_port(seed); }
|