#include #define IMPL(TYPE, AS, OP) \ _CLC_OVERLOAD _CLC_DEF TYPE atomic_max(volatile AS TYPE *p, TYPE val) { \ return __sync_fetch_and_##OP(p, val); \ } IMPL(int, global, max) IMPL(unsigned int, global, umax) IMPL(int, local, max) IMPL(unsigned int, local, umax) #undef IMPL