vec4d

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_vec4d
#define tools_vec4d
 
#include "vec4"
#include <cmath>
 
namespace tools {
 
class vec4d : public vec4<double> {
  typedef vec4<double> parent;
public:
  vec4d():parent() {}
  vec4d(const double a_vec[4]):parent(a_vec) {}
#ifdef TOOLS_MEM
  vec4d(const double& a0,const double& a1,const double& a2,const double& a3,bool a_inc = true):parent(a0,a1,a2,a3,a_inc){}
#else
  vec4d(const double& a0,const double& a1,const double& a2,const double& a3):parent(a0,a1,a2,a3){}
#endif
  virtual ~vec4d() {}
public:
  vec4d(const vec4d& a_from):parent(a_from){}
  vec4d& operator=(const vec4d& a_from){parent::operator=(a_from);return *this;}
public: //operators
  vec4d operator*(double a_v) const {
    return vec4d(m_data[0]*a_v,
                 m_data[1]*a_v,
                 m_data[2]*a_v,
                 m_data[3]*a_v);
  }
  vec4d operator+(const vec4d& a_v) const {
    return vec4d(m_data[0]+a_v.m_data[0],
                 m_data[1]+a_v.m_data[1],
                 m_data[2]+a_v.m_data[2],
                 m_data[3]+a_v.m_data[3]);
  }
  vec4d operator-(const vec4d& a_v) const {
    return vec4d(m_data[0]-a_v.m_data[0],
                 m_data[1]-a_v.m_data[1],
                 m_data[2]-a_v.m_data[2],
                 m_data[3]-a_v.m_data[3]);
  }
  vec4d& operator+=(const vec4d& a_v) {
    m_data[0] += a_v.m_data[0];
    m_data[1] += a_v.m_data[1];
    m_data[2] += a_v.m_data[2];
    m_data[3] += a_v.m_data[3];
    return *this;
  }
  vec4d& operator*=(double a_v) {
    m_data[0] *= a_v;
    m_data[1] *= a_v;
    m_data[2] *= a_v;
    m_data[3] *= a_v;
    return *this;
  }
  vec4d operator-() const {
    return vec4d(-m_data[0],-m_data[1],-m_data[2],-m_data[3]);
  }
public:
  double length() const {return parent::length(::sqrt);}
  double normalize() {return parent::normalize(::sqrt);}
};
 
}
 
/*
#include <vector>
 
namespace tools {
 
#ifndef SWIG
//for sf, mf :
inline bool set_from_vec(vec4d& a_v,const std::vector<double>& a_sv) {
  if(a_sv.size()!=4) return false;
  a_v[0] = a_sv[0];
  a_v[1] = a_sv[1];
  a_v[2] = a_sv[2];
  a_v[3] = a_sv[3];
  return true;
}
#endif
 
}
*/
 
#endif