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30 lines
786 B
30 lines
786 B
/*
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* Copyright(C) 1999-2020, 2022 National Technology & Engineering Solutions
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* of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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* NTESS, the U.S. Government retains certain rights in this software.
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*
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* See packages/seacas/LICENSE for details
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*/
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#include "chaco_random.h"
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/* Randomly permute elements of an array. */
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void randomize(int *array, int n)
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/* array of integer values */
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/* number of values */
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{
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int i; /* loop counter */
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double drandom(void);
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for (i = 1; i <= n; i++) {
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double value = drandom();
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int index = n * value + 1;
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int temp = array[i];
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array[i] = array[index];
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array[index] = temp;
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}
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}
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double drandom(void) { return rand_rect_port(); }
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void setrandom(long int seed) { init_rand_port(seed); }
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