Function getRandomReal

tests/utils/random.cpp:63–79

qreal getRandomReal(qreal min, qreal maxExcl) {
    DEMAND( min < maxExcl );

    // advance RNG on every node, identically
    std::uniform_real_distribution<qreal> dist(min,maxExcl);
    qreal out = dist(RNG);

    // note despite the doc asserting maxExcl is exclusive, 
    // uniform_real_distribution() can indeed return it! In that
    // case, we substract machine-eps for caller integrity
    if (out >= maxExcl)
        out = std::nextafter(maxExcl, min);

    DEMAND( out >= min );
    DEMAND( out < maxExcl );
    return out;
}


qreal getRandomPhase() {