35 lines
884 B
C++
35 lines
884 B
C++
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#ifndef RANGE_LIMITER_H
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#define RANGE_LIMITER_H
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#include <QDebug>
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#include <QRandomGenerator>
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class RangeLimiter {
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private:
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mutable QRandomGenerator gen_;
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public:
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inline RangeLimiter();
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template <typename T> inline T bounded(T highest) const noexcept;
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template <typename T> inline T bounded(T lowest, T highest) const noexcept;
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};
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RangeLimiter::RangeLimiter() : gen_(QRandomGenerator::securelySeeded()) {}
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template <typename T> T RangeLimiter::bounded(T highest) const noexcept {
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return gen_.bounded(highest);
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}
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template <typename T>
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T RangeLimiter::bounded(T lowest, T highest) const noexcept {
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if (lowest >= highest) {
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QString errorMessage =
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"Lowest value (%1) is greater than highest value (%2) or equal to it";
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qFatal().noquote() << errorMessage.arg(lowest).arg(highest);
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}
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return gen_.bounded(lowest, highest);
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}
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#endif // RANGE_LIMITER_H
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