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killwing/bit-hack.cpp

Last active August 29, 2015 14:14
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useful bit hacks
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bit-hack.cpp
// round down to multiple of 1024
size_t roundDown(size_t s) {
return s & ~1023;
}
// round up to multiple of 1024
size_t roundUp(size_t s) {
return (s + 1023) & ~1023;
}
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