Method GetHighHalfAsBorrow

extra/yassl/taocrypt/src/integer.cpp:348–348

    hword GetLowHalf() const {return hword(whole_);}
    hword GetHighHalf() const {return hword(whole_>>(WORD_BITS/2));}
    hword GetHighHalfAsBorrow() const {return 0-hword(whole_>>(WORD_BITS/2));}

private:
    word whole_;