lib/Vector4.cpp
Vector4::Vector4() {
  _v[0] = 0.0;
  _v[1] = 0.0;
  _v[2] = 0.0;
  _v[3] = 0.0;
}
/*!
  Constructs an empty vector initialized to zero.

  \sa zero().
*/
Constructs an empty vector initialized to zero.
Constructs an empty vector initialized to zero .
Vector4::Vector4() {
  _v[0] = 0.0;
  _v[1] = 0.0;
  _v[2] = 0.0;
  _v[3] = 0.0;
}
Vector4 :: Vector4 ( ) { _v [ 0 ] = 0.0 ; _v [ 1 ] = 0.0 ; _v [ 2 ] = 0.0 ; _v [ 3 ] = 0.0 ; }
Constructs an empty vector initialized to zero.
Constructs an empty vector initialized to zero .