46 // Given the scale of a duration and a `Multiplier`, determine if `Multiplier`
48 // and a suitable Multiplier for that scale, otherwise `std::nullopt`.
50 getNewScaleSingleStep(DurationScale OldScale, double Multiplier) {  in getNewScaleSingleStep()  argument
53     if (Multiplier <= 1.0 / 60.0)  in getNewScaleSingleStep()
54       return std::make_tuple(DurationScale::Minutes, Multiplier * 60.0);  in getNewScaleSingleStep()
58     if (Multiplier >= 60.0)  in getNewScaleSingleStep()
59       return std::make_tuple(DurationScale::Hours, Multiplier / 60.0);  in getNewScaleSingleStep()
60     if (Multiplier <= 1.0 / 60.0)  in getNewScaleSingleStep()
61       return std::make_tuple(DurationScale::Seconds, Multiplier * 60.0);  in getNewScaleSingleStep()
65     if (Multiplier >= 60.0)  in getNewScaleSingleStep()
66       return std::make_tuple(DurationScale::Minutes, Multiplier / 60.0);  in getNewScaleSingleStep()
67     if (Multiplier <= 1e-3)  in getNewScaleSingleStep()
68       return std::make_tuple(DurationScale::Milliseconds, Multiplier * 1e3);  in getNewScaleSingleStep()
72     if (Multiplier >= 1e3)  in getNewScaleSingleStep()
73       return std::make_tuple(DurationScale::Seconds, Multiplier / 1e3);  in getNewScaleSingleStep()
74     if (Multiplier <= 1e-3)  in getNewScaleSingleStep()
75       return std::make_tuple(DurationScale::Microseconds, Multiplier * 1e3);  in getNewScaleSingleStep()
79     if (Multiplier >= 1e3)  in getNewScaleSingleStep()
80       return std::make_tuple(DurationScale::Milliseconds, Multiplier / 1e3);  in getNewScaleSingleStep()
81     if (Multiplier <= 1e-3)  in getNewScaleSingleStep()
82       return std::make_tuple(DurationScale::Nanoseconds, Multiplier * 1e-3);  in getNewScaleSingleStep()
86     if (Multiplier >= 1e3)  in getNewScaleSingleStep()
87       return std::make_tuple(DurationScale::Microseconds, Multiplier / 1e3);  in getNewScaleSingleStep()
94 // Given the scale of a duration and a `Multiplier`, determine if `Multiplier`
97                                                 double Multiplier) {  in getNewScale()  argument
98   while (Multiplier != 1.0) {  in getNewScale()
100         getNewScaleSingleStep(OldScale, Multiplier);  in getNewScale()
105     Multiplier = std::get<1>(*Result);  in getNewScale()