/* 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--; } }