27     Double(uint64_t u) : u_(u) {}  in Double()
30     uint64_t Uint64Value() const { return u_; }  in Uint64Value()
34         return Double(u_ + 1).Value();  in NextPositiveDouble()
37     bool Sign() const { return (u_ & kSignMask) != 0; }  in Sign()
38     uint64_t Significand() const { return u_ & kSignificandMask; }  in Significand()
39 …int Exponent() const { return static_cast<int>(((u_ & kExponentMask) >> kSignificandSize) - kExpon…  in Exponent()
41     bool IsNan() const { return (u_ & kExponentMask) == kExponentMask && Significand() != 0; }  in IsNan()
42     bool IsInf() const { return (u_ & kExponentMask) == kExponentMask && Significand() == 0; }  in IsInf()
43     bool IsNanOrInf() const { return (u_ & kExponentMask) == kExponentMask; }  in IsNanOrInf()
44     bool IsNormal() const { return (u_ & kExponentMask) != 0 || Significand() == 0; }  in IsNormal()
45     bool IsZero() const { return (u_ & (kExponentMask | kSignificandMask)) == 0; }  in IsZero()
49     uint64_t ToBias() const { return (u_ & kSignMask) ? ~u_ + 1 : u_ | kSignMask; }  in ToBias()
71         uint64_t u_;  member