view run/i/ieee_754_flt2int_A.d @ 1576:b3e16c86558e

[Issue 1398] New: GDC doesn't generate correct code <mariusmuja@gmail.com> 2007-08-04 http://d.puremagic.com/issues/show_bug.cgi?id=1398
author thomask
date Thu, 21 Feb 2008 15:20:08 +0000
parents 9dcac8d4e97f
children
line wrap: on
line source

// $HeadURL$
// $Date$
// $Author$

module dstress.run.i.ieee_754_flt2int_A;

int main(){
	size_t border;

	if((long.sizeof * 8) - 1 < real.dig * 3){
		border = (long.sizeof * 8) - 1;
	}else{
		border = real.dig * 3;
	}

	for(size_t i = 0; i < border; i++){
		real a = 1.0;
		for(size_t j = i; j > 0; j--){
			a *= 2.0;
		}
		long b = cast(long) a;
		real c = a;

		if(c != a){
			assert(0);
		}
	}

	for(size_t i = 0; i < border; i++){
		real a = -1.0;
		for(size_t j = i; j > 0; j--){
			a *= 2.0;
		}
		long b = cast(long) a;
		real c = a;

		if(c != a){
			assert(0);
		}
	}

	return 0;
}