Function normalize

libraries/rainbow/src/rainbow.cpp:42–45

normalize: like qBound(a, 0.0, 1.0) but without needing the args and with "safer" behavior on NaN (isnan(a) -> return 0.0)

// normalize: like qBound(a, 0.0, 1.0) but without needing the args and with
// "safer" behavior on NaN (isnan(a) -> return 0.0)
static inline qreal normalize(qreal a)
{
    return (a < 1.0 ? (a > 0.0 ? a : 0.0) : 1.0);
}

///////////////////////////////////////////////////////////////////////////////
// HCY color space