50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
|
|
* Modified by LeafLabs, LLC.
|
|
*
|
|
* Part of the Wiring project - http://wiring.org.co Copyright (c)
|
|
* 2004-06 Hernando Barragan Modified 13 August 2006, David A. Mellis
|
|
* for Arduino - http://www.arduino.cc/
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*/
|
|
|
|
#include "stdlib.h"
|
|
#include "wirish_math.h"
|
|
|
|
void randomSeed(unsigned int seed) {
|
|
if (seed != 0) {
|
|
srand(seed);
|
|
}
|
|
}
|
|
|
|
long random(long howbig) {
|
|
if (howbig == 0) {
|
|
return 0;
|
|
}
|
|
|
|
return rand() % howbig;
|
|
}
|
|
|
|
long random(long howsmall, long howbig) {
|
|
if (howsmall >= howbig) {
|
|
return howsmall;
|
|
}
|
|
|
|
long diff = howbig - howsmall;
|
|
return random(diff) + howsmall;
|
|
}
|
|
|