Real2x2Proxy.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
/*---------------------------------------------------------------------------*/
/* Real2x2Proxy.h                                              (C) 2000-2008 */
/*                                                                           */
/* Proxy du type 'Real2x2'.                                                  */
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#ifndef ARCANE_UTILS_REAL2X2PROXY_H
#define ARCANE_UTILS_REAL2X2PROXY_H
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/*---------------------------------------------------------------------------*/
 
#include "arcane/utils/Real2x2.h"
#include "arcane/utils/Real2Proxy.h"
 
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ARCANE_BEGIN_NAMESPACE
 
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class ARCANE_UTILS_EXPORT Real2x2Proxy
{
 public:
 
  Real2x2Proxy(Real2x2& value,const MemoryAccessInfo& info) 
  : x(value.x,info), y(value.y,info), m_value(value), m_info(info) {}
  Real2x2Proxy(const Real2x2Proxy& f)
  : x(f.x), y(f.y), m_value(f.m_value), m_info(f.m_info) {}
  const Real2x2Proxy& operator=(const Real2x2Proxy& f)
    { x=f.x; y=f.y; return (*this); }
  const Real2x2Proxy& operator=(Real2x2 f)
    { x=f.x; y=f.y; return (*this); }
  const Real2x2Proxy& operator=(Real v)
    { x = v; y = v; return (*this); }
 
 public:
 
  Real2Proxy x; 
  Real2Proxy y; 
 
 private:
 
  Real2x2& m_value;
  MemoryAccessInfo m_info;
 
 public:
 
  Real2x2 copy() const { return getValue(); }
  Real2x2Proxy& reset() { *this = Real2x2::null(); return (*this); }
  Real2x2Proxy& assign(Real2 ax,Real2 ay)
    { x = ax; y = ay; return (*this); }
  Real2x2Proxy& assign(Real2x2Proxy f)
    { x = f.x; y = f.y; return (*this); }
  operator const Real2x2&() const
    {
      return getValue();
    }
  //operator Real2x2&()
  //{
  //  return getValueMutable();
  //}
  bool isNearlyZero() const
    { return x.isNearlyZero() && y.isNearlyZero(); }
  istream& assign(istream& i);
  ostream& print(ostream& o) const;
  ostream& printXy(ostream& o) const;
 
  Real2x2Proxy& add(Real2x2 b) { x+=b.x; y+=b.y; return (*this); }
  Real2x2Proxy& sub(Real2x2 b) { x-=b.x; y-=b.y; return (*this); }
  //Real2x2Proxy& mul(Real2x2Proxy b) { x*=b.x; y*=b.y; return (*this); }
  Real2x2Proxy& div(Real2x2 b) { x/=b.x; y/=b.y; return (*this); }
  Real2x2Proxy& addSame(Real2 b) { x+=b; y+=b; return (*this); }
  Real2x2Proxy& subSame(Real2 b) { x-=b; y-=b; return (*this); }
  Real2x2Proxy& mulSame(Real2 b) { x*=b; y*=b; return (*this); }
  Real2x2Proxy& divSame(Real2 b) { x/=b; y/=b; return (*this); }
  Real2x2Proxy& operator+=(Real2x2 b) { return add(b); }
  Real2x2Proxy& operator-=(Real2x2 b) { return sub(b); }
  //Real2x2Proxy& operator*=(Real2x2Proxy b) { return mul(b); }
  void operator*=(Real b) { x*=b; y*=b; }
  //Real2x2Proxy& operator/= (Real2x2 b) { return div(b); }
  void operator/= (Real b) { x/=b; y/=b; }
  Real2x2 operator+(Real2x2 b) const { return Real2x2(x+b.x,y+b.y); }
  Real2x2 operator-(Real2x2 b)  const { return Real2x2(x-b.x,y-b.y); }
  Real2x2 operator-() const { return Real2x2(-x,-y); }
  //Real2x2 operator*(Real2x2Proxy b) const { return Real2x2Proxy(x*b.x,y*b.y); }
  //Real2x2Proxy operator/(Real2x2Proxy b) const { return Real2x2Proxy(x/b.x,y/b.y); }
 
 public:
  const Real2x2& getValue() const
    {
      m_info.setRead();
      return m_value;
    }
  Real2x2& getValueMutable()
    {
      m_info.setReadOrWrite();
      return m_value;
    }
 private:
 
  static bool _eq(Real a,Real b)
    { return TypeEqualT<Real>::isEqual(a,b); }
};
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
inline bool
operator==(const Real2x2& a,const Real2x2Proxy& b)
{
  return a==b.getValue();
}
inline bool
operator==(const Real2x2Proxy& a,const Real2x2& b)
{
  return a.getValue()==b;
}
inline bool
operator==(const Real2x2Proxy& a,const Real2x2Proxy& b)
{
  return a.getValue()==b.getValue();
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
inline bool
operator!=(const Real2x2& a,const Real2x2Proxy& b)
{
  return a!=b.getValue();
}
inline bool
operator!=(const Real2x2Proxy& a,const Real2x2& b)
{
  return a.getValue()!=b;
}
inline bool
operator!=(const Real2x2Proxy& a,const Real2x2Proxy& b)
{
  return a.getValue()!=b.getValue();
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
inline ostream&
operator<< (ostream& o,const Real2x2Proxy& t)
{
  return t.printXy(o);
}
inline istream&
operator>> (istream& i,Real2x2Proxy& t)
{
  return t.assign(i);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
inline Real2x2
operator*(Real sca,const Real2x2Proxy& vec)
{
  return Real2x2(vec.x*sca,vec.y*sca);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
inline Real2x2
operator*(const Real2x2Proxy& vec,Real sca)
{
  return Real2x2(vec.x*sca,vec.y*sca);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
inline Real2x2
operator/(const Real2x2Proxy& vec,Real sca)
{
  return Real2x2(vec.x/sca,vec.y/sca);
}
 
/*---------------------------------------------------------------------------*/
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inline bool
operator<(const Real2x2Proxy& v1,const Real2x2Proxy& v2)
{
  return (v1.getValue()<v2.getValue());
}
 
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ARCANE_END_NAMESPACE
 
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#endif