XCodeiPhoneOS/Demos/src/common.c

/*
 *	common.c
 *	written by Holmes Futrell
 *	use however you want
 */

#include "common.h"
#include "SDL.h"
#include <stdlib.h>

/*
	Produces a random int x, min <= x <= max 
	following a uniform distribution
*/
int randomInt(int min, int max) {	
	return min + rand() % (max - min + 1);
}
/*
	Produces a random float x, min <= x <= max 
	following a uniform distribution
 */
float randomFloat(float min, float max) {
	return rand() / (float)RAND_MAX * (max - min) + min;
}

void fatalError(const char *string) {
	printf("%s: %s\n", string, SDL_GetError());
	exit(1);
}