cast_to_int64_t# Fully qualified name: carb::math::cast_to_int64_t Defined in carb/math/Int128.h inline int64_t carb::math::cast_to_int64_t( const int128_t &val, ) noexcept# Truncates the signed 128-bit value, returning only the lowest 64-bits. Parameters: val – The signed 128-bit value to truncate. Returns: The least significant 64 bits of val.