DoubleValue.hpp

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/*
 
  This file is part of OpenFLUID software
  Copyright(c) 2007, INRA - Montpellier SupAgro
 
 
 == GNU General Public License Usage ==
 
  OpenFLUID is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OpenFLUID 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
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OpenFLUID. If not, see <http://www.gnu.org/licenses/>.
 
 
 == Other Usage ==
 
  Other Usage means a use of OpenFLUID that is inconsistent with the GPL
  license, and requires a written agreement between You and INRA.
  Licensees for Other Usage of OpenFLUID may use this file in accordance
  with the terms contained in the written agreement between You and INRA.
  
*/
 
 
/**
  @file DoubleValue.hpp
 
  @author Jean-Christophe FABRE <jean-christophe.fabre@inra.fr>
*/
 
 
#ifndef __OPENFLUID_CORE_DOUBLEVALUE_HPP__
#define __OPENFLUID_CORE_DOUBLEVALUE_HPP__
 
 
#include <openfluid/core/SimpleValue.hpp>
#include <openfluid/dllexport.hpp>
 
 
namespace openfluid { namespace core {
 
 
/**
  DoubleValue is a container for a signed double precision floating point value.\n
 
  @see Value
 
  <I>Example : declaration</I>
  @snippet misc/values.cpp double_decl
 
  <I>Example : getting the contained value</I>
  @snippet misc/values.cpp double_get
 
  <I>Example : setting the contained value</I>
  @snippet misc/values.cpp double_set
 
  <I>Example : conversion from string</I>
  @snippet misc/values.cpp double_fromstr
 
  <I>Example : conversion to string</I>
  @snippet misc/values.cpp double_tostr
 
  @cond OpenFLUID:completion
  {
    "contexts" : ["ANYWARE"],
    "menupath" : ["Compute code", "Types", "Values"],
    "title" : "DoubleValue",
    "text" : "openfluid::core::DoubleValue %%SEL_START%%Val%%SEL_END%%"
  }
  @endcond
*/
class OPENFLUID_API DoubleValue : public SimpleValue
{
  private:
 
    double m_Value;
 
 
  public:
 
    /**
      Default constructor
    */
    DoubleValue() noexcept : SimpleValue(), m_Value(0.0)
    { }
 
    /**
      Copy constructor
    */
    DoubleValue(const DoubleValue& Val) noexcept : SimpleValue(), m_Value(Val.m_Value)
    { }
 
    /**
      Move constructor
    */
    DoubleValue(DoubleValue&& Val) noexcept : SimpleValue(), m_Value(std::move(Val.m_Value))
    { }
 
    /**
      Constructor from plain old type
    */
    DoubleValue(const double& POD) noexcept : SimpleValue(), m_Value(POD)
    { }
 
    DoubleValue& operator=(const Value& Other) override;
 
    DoubleValue& operator=(Value&& Other) override;
 
    DoubleValue& operator=(const DoubleValue&) = default;
 
    DoubleValue& operator=(DoubleValue&&) = default;
 
    virtual ~DoubleValue() = default;
 
    /**
      Cast operator
     */
    operator double() const
    {
      return m_Value;
    }
 
    inline Type getType() const override
    {
      return Value::DOUBLE;
    }
 
    Value* clone() const override
    {
      return new DoubleValue(*this);
    }
 
    bool convert(Value& Val) const override;
 
    /**
      Returns the double value as plain old type
      @return the double value
    */
    inline double get() const
    {
      return m_Value;
    }
 
    /**
      Sets the plain old type double value
      @param[in] Val the double value
    */
    inline void set(const double& Val)
    {
      m_Value = Val;
    }
 
    void writeToStream(std::ostream& OutStm) const override;
 
    void writeQuotedToStream(std::ostream& OutStm) const override
    {
      writeToStream(OutStm);
    }
 
};
 
 
} }  // namespaces
 
 
#endif /* __OPENFLUID_CORE_DOUBLEVALUE_HPP__ */