core_UV.h

//-----------------------------------------------------------------------------
// Created on: 02 November 2012
//-----------------------------------------------------------------------------
// Copyright (c) 2017, Sergey Slyadnev
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright
//      notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above copyright
//      notice, this list of conditions and the following disclaimer in the
//      documentation and/or other materials provided with the distribution.
//    * Neither the name of Sergey Slyadnev nor the
//      names of all contributors may be used to endorse or promote products
//      derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//-----------------------------------------------------------------------------
 
#ifndef core_UV_HeaderFile
#define core_UV_HeaderFile
 
// core includes
#include <mobius/core.h>
 
namespace mobius {
 
class core_UV
{
public:
 
  static int num_coordinates()
  {
    return 2;
  }
 
// Construction & destruction:
public:
 
  mobiusCore_EXPORT
    core_UV();
 
  mobiusCore_EXPORT
    core_UV(const double u, const double v);
 
  mobiusCore_EXPORT
    core_UV(const core_UV& UV);
 
  mobiusCore_EXPORT virtual
    ~core_UV();
 
public:
 
  double U() const
  {
    return m_fU;
  }
 
  void SetU(const double u)
  {
    m_fU = u;
  }
 
  double V() const
  {
    return m_fV;
  }
 
  void SetV(const double v)
  {
    m_fV = v;
  }
 
  double Coord(const int idx) const
  {
    if ( idx == 0 )
      return this->U();
 
    if ( idx == 1 )
      return this->V();
 
    return 0;
  }
 
  double SetCoord(const int        idx,
                      const double val)
  {
    double* coord = nullptr;
 
    if ( idx == 0 )
      coord = &m_fU;
    if ( idx == 1 )
      coord = &m_fV;
 
    if ( coord )
      *coord = val;
 
    return 0;
  }
 
  double GetMaxComponent() const
  {
    return m_fU > m_fV ? m_fU : m_fV;
  }
 
public:
 
  mobiusCore_EXPORT double
    Modulus() const;
 
  mobiusCore_EXPORT double
    SquaredModulus() const;
 
  mobiusCore_EXPORT double
    Dot(const core_UV& UV) const;
 
public:
 
  mobiusCore_EXPORT core_UV&
    operator=(const core_UV& UV);
 
  mobiusCore_EXPORT core_UV
    operator*(const double coeff) const;
 
  mobiusCore_EXPORT core_UV
    operator*=(const double coeff);
 
  mobiusCore_EXPORT core_UV
    operator/(const double coeff) const;
 
  mobiusCore_EXPORT core_UV
    operator/=(const double coeff);
 
  mobiusCore_EXPORT core_UV
    operator+(const core_UV& UV) const;
 
  mobiusCore_EXPORT core_UV&
    operator+=(const core_UV& UV);
 
  mobiusCore_EXPORT core_UV
    Invert() const;
 
  mobiusCore_EXPORT core_UV
    operator-(const core_UV& UV) const;
 
  mobiusCore_EXPORT core_UV&
    operator-=(const core_UV& UV);
 
private:
 
  double m_fU; 
  double m_fV; 
 
};
 
inline core_UV operator*(const double coeff, const core_UV& coords)
{
  core_UV r = coords*coeff;
  return r;
}
 
typedef core_UV t_uv;
 
typedef core_UV core_XY;
 
typedef core_XY t_xy;
 
}
 
#endif