testcodemul.c

#include "fx_s17_14.h"
#include <stdio.h>

int main()
{	
	double a = 21.468, b = 17.297;

	int mul1, mul2, mul3, mul4;
	mul1 = fxMul_float(fromDouble(a), fromDouble(b));
	mul2 = fxMul_precision(fromDouble(a), fromDouble(b));
	mul3 = fxMul_fair(fromDouble(a), fromDouble(b));	
	mul4 = fxMul_performance(fromDouble(a), fromDouble(b));

	fprintf(stdout, "================================================================================================= \n");
	fprintf(stdout, "value : %.15f	fxMul_float       : %.15f	diff : %.15f \n", 21.468 * 17.297, toDouble(mul1), (21.468 * 17.297) - toDouble(mul1));
	fprintf(stdout, "value : %.15f	fxMul_precision   : %.15f	diff : %.15f \n", 21.468 * 17.297, toDouble(mul2), (21.468 * 17.297) - toDouble(mul2));
	fprintf(stdout, "value : %.15f	fxMul_fair        : %.15f	diff : %.15f \n", 21.468 * 17.297, toDouble(mul3), (21.468 * 17.297) - toDouble(mul3));
	fprintf(stdout, "value : %.15f	fxMul_performance : %.15f	diff : %.15f \n", 21.468 * 17.297, toDouble(mul4), (21.468 * 17.297) - toDouble(mul4));
	fprintf(stdout, "================================================================================================= \n");
	return 0;
}