/usr/include/ql/quotes/simplequote.hpp is in libquantlib0-dev 1.7.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
Copyright (C) 2007 Ferdinando Ametrano
Copyright (C) 2000, 2001, 2002, 2003 RiskMap srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
/*! \file simplequote.hpp
\brief simple quote class
*/
#ifndef quantlib_simple_quote_hpp
#define quantlib_simple_quote_hpp
#include <ql/quote.hpp>
namespace QuantLib {
//! market element returning a stored value
class SimpleQuote : public Quote {
public:
SimpleQuote(Real value = Null<Real>());
//! \name Quote interface
//@{
Real value() const;
bool isValid() const;
//@}
//! \name Modifiers
//@{
//! returns the difference between the new value and the old value
Real setValue(Real value = Null<Real>());
void reset();
//@}
private:
Real value_;
};
// inline definitions
inline SimpleQuote::SimpleQuote(Real value)
: value_(value) {}
inline Real SimpleQuote::value() const {
QL_ENSURE(isValid(), "invalid SimpleQuote");
return value_;
}
inline bool SimpleQuote::isValid() const {
return value_!=Null<Real>();
}
inline Real SimpleQuote::setValue(Real value) {
Real diff = value-value_;
if (diff != 0.0) {
value_ = value;
notifyObservers();
}
return diff;
}
inline void SimpleQuote::reset() {
setValue(Null<Real>());
}
}
#endif
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