#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <math.h>
#include "utils.h"

float constf = 0.8765f;
double constd = 1.0;

void test_vararg1 (int cnt, ... );
void test_vararg2 (int cnt, ... );

#define	REPORT_INTERVAL		10000

int main(void)
{
	volatile int *pReg = (int*)sys_led_port;
	int v1, v2;
	float curr, res;
	char buf[32];


//	*pReg = 0xFF;
/*
	printf("sizeof(char)      = %d\n", sizeof(char));
	printf("sizeof(short)     = %d\n", sizeof(short));
	printf("sizeof(int)       = %d\n", sizeof(int));
	printf("sizeof(long)      = %d\n", sizeof(long));
	printf("sizeof(long long) = %d\n", sizeof(long long));
	printf("sizeof(float)     = %d\n", sizeof(float));
	printf("sizeof(double)    = %d\n", sizeof(double));
*/
	v2 = 1;
	res = 0;
	while(1)
	{
		curr = 2.0f*(0.5f-(float)rand()/RAND_MAX);
		res += curr;
		v2++;
		if (!(v2%REPORT_INTERVAL))
		{
			printf("%d = %f\n", v2, res/v2);
		}
	}

	return 0;
}

void test_vararg1 (int cnt, ... )
{

	int arg, i;
	va_list args;

	va_start(args, cnt);

	for (i=0; i < cnt; i++)
	{
		arg = va_arg(args, int);
		printf ("Arg[%d] = %d\n", i, arg);
	};

	va_end(args);

}

void test_vararg2 (int cnt, ... )
{

	double arg;
	float f;
	int i, *t;
	va_list args;

	va_start(args, cnt);

	for (i=0; i < 2*cnt+2; i++)
	{
		arg = va_arg(args, double);
		f = (float)arg;
		t = (int*)&arg;
//		print_word(*t);
		printf ("Arg[%d] = %8.8X\n", i, *t);
		printf ("Arg[%d] = %f\n", i, arg);
	};

	va_end(args);

}