Mercurial > projects > ldc
view tests/mini/assign.d @ 847:356e65836fb5
Merged DMD 2.021 frontend.
Removed generated files from dmd/dmd2 dirs.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
---|---|
date | Sat, 13 Dec 2008 16:14:37 +0100 |
parents | 1bb99290e03a |
children |
line wrap: on
line source
module assign; // this is taken from std.intrinsic from gdc int mybtc(uint *p, uint bitnum) { uint * q = p + (bitnum / (uint.sizeof*8)); uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1)); int result = *q & mask; *q ^= mask; return result ? -1 : 0; } void main() { uint i = 0xFFFF_FFFF; int r = mybtc(&i, 31); assert(r); assert(i == 0x7FFF_FFFF); r = mybtc(&i, 31); assert(!r); assert(i == 0xFFFF_FFFF); }