#include "stdafx.h"

# include "cppVector.h"

# include <math.h>

cppVector::cppVector()

{ i = 0.0;

j = 0.0;

k = 0.0;

}

cppVector::~cppVector()

{

}

cppVector::cppVector( double ii, double jj, double kk )

{ i = ii;

j = jj;

k = kk;

}

cppVector::cppVector(const cppVector & v )

{ i = v.i;

j = v.j;

k = v.k;

}

cppVector cppVector::operator=( const cppVector & v )

{

i = v.i;

j = v.j;

k = v.k;

return *this;

}

cppVector cppVector::operator*( Matrix & m )

{

cppVector result;

result.i += i * m.get( 0, 0 );

result.i += j * m.get( 1, 0 );

result.i += k * m.get( 2, 0 );

result.j += i * m.get( 0, 1 );

result.j += j * m.get( 1, 1 );

result.j += k * m.get( 2, 1 );

result.k += i * m.get( 0, 2 );

result.k += j * m.get( 1, 2 );

result.k += k * m.get( 2, 2 );

return result;

}

cppVector cppVector::operator+( const cppVector & v )

{ cppVector result;

result.i = i + v.i;

result.j = j + v.j;

result.k = k + v.k;

return result;

}

void cppVector::seti( double ii )

{ i = ii;

}

void cppVector::setj( double jj )

{ j = jj;

}

void cppVector::setk( double kk )

{ k = kk;

}

double cppVector::geti()

{ return i;

}

double cppVector::getj()

{ return j;

}

double cppVector::getk()

{ return k;

}

void cppVector::Normalize()

{

double length = sqrt( pow( i, 2 ) + pow( j, 2 ) + pow( k, 2 ) );

if( length <= 0 )

return;

i = i/length;

j = j/length;

k = k/length;

}

double cppVector::dot( const cppVector & v )

{ return i*v.i + j*v.j + k*v.k;

}

cppVector cppVector::crossProduct( const cppVector & v )

{

cppVector result;

result.i = j*v.k - k*v.j;

result.j = k*v.i - i*v.k;

result.k = i*v.j - j*v.i;

result.Normalize();

return result;

}