view Xcode-iPhoneOS/Demos/src/common.c @ 4436:d3c193100522

changeset: 4434:4e5dd7dc58cd tag: tip user: Jjgod Jiang <gzjjgod@gmail.com> date: Fri Apr 16 13:20:33 2010 +0800 summary: Fix window height calculation for text input rect
author Sam Lantinga <slouken@libsdl.org>
date Thu, 15 Apr 2010 22:27:50 -0700
parents 20326ba2bda2
children
line wrap: on
line source

/*
 *	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);
}