Mercurial > projects > dstress
view run/ieee_754_zerosdq_01.d @ 1601:90bc51a580b7
pragma(lib, ...) is only allowed in declarations as of 1.037.
author | Christian Kamm <kamm incasoftware de> |
---|---|
date | Sun, 04 Jan 2009 22:42:52 +0100 |
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; }