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Cedric Berger writes: > This could suggest a more efficient code, if the compiler is smart > enough to keep x in a register: > > jfloat java::lang::Math::abs(jfloat x) > { > return *((uint32_t *)&x) ^ 0x80000000U; > } This isn't legal C. You're accessing an lvalue through an lvalue of a different type. Use a union if you need to do this. Andrew.
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