SDL_test_random.c File Reference

#include "SDL_config.h"
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "SDL_test.h"

Go to the source code of this file.

Functions
unsigned int	SDLTest_Random (SDLTest_RandomContext *rndContext)
	Initialize random number generator based on current system time. More...
void	SDLTest_RandomInit (SDLTest_RandomContext *rndContext, unsigned int xi, unsigned int ci)
	Initialize random number generator with two integers. More...
void	SDLTest_RandomInitTime (SDLTest_RandomContext *rndContext)
	Initialize random number generator based on current system time. More...

Function Documentation

unsigned int SDLTest_Random

(

SDLTest_RandomContext *

rndContext

)

Initialize random number generator based on current system time.

Note: ...RandomInit() or ...RandomInitTime() must have been called before using this function.

Parameters

rndContext

pointer to context structure

Returns

A random number (32bit unsigned integer)

Definition at line 80 of file SDL_test_random.c.

References SDLTest_RandomContext::a, SDLTest_RandomContext::ah, SDLTest_RandomContext::al, SDLTest_RandomContext::c, NULL, return, and SDLTest_RandomContext::x.

Referenced by SDLTest_GenerateRunSeed().

void SDLTest_RandomInit	(	SDLTest_RandomContext *	rndContext,
		unsigned int	xi,
		unsigned int	ci
	)

Initialize random number generator with two integers.

Note: The random sequence of numbers returned by ...Random() is the same for the same two integers and has a period of 2^31.

Parameters

rndContext	pointer to context structure
xi	integer that defines the random sequence
ci	integer that defines the random sequence

Definition at line 41 of file SDL_test_random.c.

References SDLTest_RandomContext::a, SDLTest_RandomContext::ah, SDLTest_RandomContext::al, SDLTest_RandomContext::c, NULL, and SDLTest_RandomContext::x.

Referenced by SDLTest_FuzzerInit(), and SDLTest_RandomInitTime().

void SDLTest_RandomInitTime

(

SDLTest_RandomContext *

rndContext

)

Initialize random number generator based on current system time.

Parameters

rndContext

pointer to context structure

Definition at line 65 of file SDL_test_random.c.

References NULL, and SDLTest_RandomInit().

Referenced by SDLTest_GenerateRunSeed().