view run/ieee_754_zerosdq_01.d @ 1543:9597b1b8030f

[Issue 1151] Final template class w/ constructor and invariant causes compile error <dhaffey@gmail.com> 2007-05-31 http://d.puremagic.com/issues/show_bug.cgi?id=1151
author thomask
date Sun, 01 Jul 2007 13:19:50 +0000
parents e720ce827c1c
children
line wrap: on
line source

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

module dstress.run.ieee_754_zerosdq_01;

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

union S{
	float f;
	uint[1] i;
}

int main(){
	S s;
	int top=0;


	s.f = 0.0f;
	assert(s.i[top]==0x00000000);

	s.f = -0.0f;
	assert(s.i[top]==0x80000000);

	s.f = 0.0f - 0.0f;
	assert(s.i[top]==0x00000000);

	s.f = (-0.0f) - 0.0f;
	assert(s.i[top]==0x80000000);

	s.f = 0.0f;
	s.f *= 1.0f;
	assert(s.i[top]==0x00000000);

	s.f = 0.0f;
	s.f *= -1.0f;
	assert(s.i[top]==0x80000000);

	return 0;
}