view run/ieee_754_zerosdq_01.d @ 1528:36d8e64392df

[Issue 1187] Segfault with syntax error in two-level mixin. Don Clugston <clugdbug@yahoo.com.au> 2007-04-24 http://d.puremagic.com/issues/show_bug.cgi?id=1187
author thomask
date Fri, 27 Apr 2007 17:31:50 +0000
parents e720ce827c1c
children
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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;
}