Mercurial > projects > dstress
view run/ieee_754_zerosdq_01.d @ 1630:d0efa3ae5522 default tip
run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author | David Nadlinger <code@klickverbot.at> |
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date | Sat, 23 Apr 2011 22:57:32 +0200 |
parents | e720ce827c1c |
children |
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// $HeadURL$ // $Date$ // $Author$ 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; }