mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Goom Project
|
|
* Copyright (C) <2003> iOS-Software
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
#include "goom_tools.h"
|
|
#include <stdlib.h>
|
|
|
|
GoomRandom *
|
|
goom_random_init (int i)
|
|
{
|
|
GoomRandom *grandom = (GoomRandom *) malloc (sizeof (GoomRandom));
|
|
|
|
srand (i);
|
|
grandom->pos = 1;
|
|
goom_random_update_array (grandom, GOOM_NB_RAND);
|
|
return grandom;
|
|
}
|
|
|
|
void
|
|
goom_random_free (GoomRandom * grandom)
|
|
{
|
|
free (grandom);
|
|
}
|
|
|
|
void
|
|
goom_random_update_array (GoomRandom * grandom, int numberOfValuesToChange)
|
|
{
|
|
while (numberOfValuesToChange > 0) {
|
|
#if RAND_MAX < 0x10000
|
|
grandom->array[grandom->pos++] = ((rand () << 16) + rand ()) / 127;
|
|
#else
|
|
grandom->array[grandom->pos++] = rand () / 127;
|
|
#endif
|
|
numberOfValuesToChange--;
|
|
}
|
|
}
|