//	Übung 6 - Aufgabe C  (Vektorklasse mit dynamischen Feld darin)

//	g++ -Wno-deprecated -Wall u6C.cc vektor.cc
//	icc -ansi -w2 -Wall u6C.cc vektor.cc

#include <iostream.h>
#include "vektor.hh"

int main(int argc, char* argv[])
{
  const double ALPHA = 3.5;
  const char file1[] = "input.6C_x.txt";
  const char file2[] = "input.6C_y.txt";

  const Vektor x(file1), y(file2);
        Vektor z( x.length() ), u;

  if ( x.length() != y.length() )
  {
    cout << "Feldlaengen sind unterschiedlich" << endl;
    return -1;
  }

//  cout << " x: " << x << endl;
//  cout << " y: " << y << endl;
//  cout << x.Norm() << "  " << InnerProd(y,x) << endl;

  z.daxpy( ALPHA, x, y );

  cout << "  <z,x> = " << InnerProd(z,x)
       << "        ||z|| = " << z.Norm() << endl;

  u = x * ALPHA + y;
  cout << "  <u,x> = " << InnerProd(u,x)
       << "        ||u|| = " << u.Norm() << endl;


 return 0;
}