data_range()

std::pair< float, float > MayaFlux::Portal::Forma::Plot::data_range

(

std::span< const double >

series

)

Compute [min, max] over a scalar series.

Returns {0, 1} for an empty span.

Definition at line 35 of file PlotSpec.cpp.

{
    if (series.empty())
        return { 0.F, 1.F };
 
    double lo = std::numeric_limits<double>::max();
    double hi = std::numeric_limits<double>::lowest();
    for (double v : series) {
        if (v < lo)
            lo = v;
        if (v > hi)
            hi = v;
    }
    if (lo == hi)
        hi = lo + 1.0;
    return { static_cast<float>(lo), static_cast<float>(hi) };
}

References series().

Referenced by apply_auto_scale().

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