ramp()

double MayaFlux::Kinesis::detail::ramp ( double  edge0, double  edge1, double  x  )

inlinenoexcept

Hermite ramp from 0 at edge0 to 1 at edge1.

The same curve as glm::smoothstep, confirmed against ShaderCompat.hpp's re-export of it, kept as a local double-precision copy rather than calling through glm::smoothstep directly: that one is float-based, and every membership computation in this file works in double so that two extents differing only slightly near a boundary do not lose the difference to a float round-trip.

Definition at line 19 of file FeatureExtent.hpp.

    {
        if (edge1 <= edge0)
            return x < edge0 ? 0.0 : 1.0;
        const double t = std::clamp((x - edge0) / (edge1 - edge0), 0.0, 1.0);
        return t * t * (3.0 - 2.0 * t);
    }

Referenced by MayaFlux::Kinesis::membership(), and MayaFlux::Kinesis::membership().

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