Mercurial > projects > dstress
view run/ieee_754_zerosdq_02.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 | e720ce827c1c |
children |
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// $HeadURL$ // $Date$ // $Author$ module dstress.run.ieee_754_zerosdq_02; // Check whether IEEE 754 signed zero is correctly supported. union S{ double f; uint[2] i; } int main(){ S s; s.f=1.0; int top = (s.i[0]==0) ? 1 : 0; s.f = 0.0; assert(s.i[top]==0x00000000); s.f = -0.0; assert(s.i[top]==0x80000000); s.f = 0.0 - 0.0; assert(s.i[top]==0x00000000); s.f = (-0.0) - 0.0; assert(s.i[top]==0x80000000); s.f = 0.0; s.f *= 1.0; assert(s.i[top]==0x00000000); s.f = 0.0; s.f *= -1.0; assert(s.i[top]==0x80000000); return 0; }