diff --git a/src/types.h b/src/types.h index c7ac4c643f4..2d769630706 100644 --- a/src/types.h +++ b/src/types.h @@ -273,11 +273,15 @@ inline Score make_score(int mg, int eg) { /// according to the standard a simple cast to short is implementation defined /// and so is a right shift of a signed integer. inline Value mg_value(Score s) { - return Value(((s + 0x8000) & ~0xFFFF) / 0x10000); + + union { uint16_t u; int16_t s; } mg = { uint16_t(unsigned(s + 0x8000) >> 16) }; + return Value(mg.s); } inline Value eg_value(Score s) { - return Value((int)(unsigned(s) & 0x7FFFU) - (int)(unsigned(s) & 0x8000U)); + + union { uint16_t u; int16_t s; } eg = { uint16_t(unsigned(s)) }; + return Value(eg.s); } #define ENABLE_BASE_OPERATORS_ON(T) \