*/

#include <iostream>

#include <cmath>

#include <pmc.h>

using namespace pmc;

Vector::Vector (int xx, int yy, int zz)

{

    name = "Vector";

    x = xx;

    y = yy;

    z = zz;

    mode = RAD;

}

Vector::~Vector ()

{

}

int Vector::X ()

{

    return x;

}

int Vector::Y ()

{

    return y;

}

int Vector::Z ()

{

    return z;

}

Vector Vector::operator+ (Vector a)

{

    return Vector (x + a.X (), y + a.Y (), z + a.Z ());

}

Vector Vector::operator- (Vector a)

{

    return Vector (x - a.X (), y - a.Y (), z - a.Z ());

}

int Vector::operator* (Vector a)

{

    return (x * a.X () + y * a.Y () + z * a.Z ());

}

double Vector::abs ()

{

    return (std::sqrt (x * x + y * y + z * z));

}

void Vector::vector ()

{

    std::cout << "(" << x << ", " << y << ", " << z << ")";

}

double Vector::angle (Vector p)

{

    if (mode == DEG)

        return ((180.0 / M_PI) * std::acos ((p ** this) / (abs () * p.abs ())));

    return (std::acos ((p ** this) / (abs () * p.abs ())));

}

void Vector::setMode (Mode m)

{

    mode = m;

}