view run/ieee_754_zerosdq_03.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 660f9196b52a
children
line wrap: on
line source

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

module dstress.run.ieee_754_zerosdq_03;

// Check whether IEEE 754 signed zero is correctly supported.

union S{
	ifloat f;
	uint i;
}

int main(){
	S s;

	s.f = 0.0fi;
	if(s.i != 0x00000000){
		assert(0);
	}

	s.f = -0.0fi;
	if(s.i != 0x80000000){
		assert(0);
	}

	s.f = 0.0fi - 0.0fi;
	if(s.i != 0x00000000){
		assert(0);
	}

	s.f = (-0.0fi) - 0.0fi;
	if(s.i != 0x80000000){
		assert(0);
	}

	s.f = 0.0fi;
	s.f *= 1.0f;
	if(s.i != 0x00000000){
		assert(0);
	}

	s.f = 0.0fi;
	s.f *= -1.0f;
	if(s.i != 0x80000000){
		assert(0);
	}

	return 0;
}