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/**
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* Measurement
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* s8
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*
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* Created by Samvel Khalatian on Dec 20, 2010
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* Copyright 2010, All rights reserved
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*/
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#ifndef S8_MEASUREMENT
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#define S8_MEASUREMENT
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#include <iosfwd>
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namespace s8
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{
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class Measurement
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{
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public:
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Measurement() throw();
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// Measurement(central_value, variance)
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//
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explicit Measurement(const double &, const double &) throw();
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double value() const;
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double variance() const;
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void setValue(const double &);
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void setVariance(const double &);
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private:
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double _value;
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double _variance;
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};
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std::ostream &operator <<(std::ostream &, const Measurement &);
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// Define simple logic
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//
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// Note: Measurements are assumed to be indenepdent in the error
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// propagation
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//
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Measurement operator +(const Measurement &, const Measurement &);
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Measurement operator -(const Measurement &, const Measurement &);
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Measurement operator *(const Measurement &, const Measurement &);
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// Regular error propagation
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//
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Measurement operator /(const Measurement &, const Measurement &);
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// Binomial error propagation
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//
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Measurement operator %(const Measurement &, const Measurement &);
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// Shortcuts for the above operators
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//
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void operator+=(Measurement &, const Measurement &);
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void operator-=(Measurement &, const Measurement &);
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void operator*=(Measurement &, const Measurement &);
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// Regular error propagation
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//
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void operator/=(Measurement &, const Measurement &);
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// Binomial error propagation
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//
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void operator%=(Measurement &, const Measurement &);
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}
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#endif
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