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struct floatt{
float f[4];
floatt(float f1, float f2, float f3, float f4)
{
f[0] = f1;
f[1] = f2;
f[2] = f3;
f[3] = f4;
}
floatt(const floatt &r)
{
f[0] = r.f[0];
f[1] = r.f[1];
f[2] = r.f[2];
f[3] = r.f[3];
}
floatt &operator=(const floatt &r)
{
f[0] = r.f[0];
f[1] = r.f[1];
f[2] = r.f[2];
f[3] = r.f[3];
return *this;
}
};
class Vec4{
vector<floatt> fval;
public:
Vec4()
{
fval.push_back(floatt(rand() % 2 + 2.1f, rand() % 3 + 1.7f,rand() % 5 + 7.3f, rand() % 3 + 4.9f));
}
Vec4(floatt f)
{
fval.push_back(floatt(f));
}
Vec4(const Vec4 &f)
{
fval = f.fval;
}
Vec4 &operator=(const Vec4 &f)
{
fval = f.fval;
return *this;
}
void display()const
{
cout << "("<< fval[0].f[0] << ")" << "(" << fval[0].f[1] << ")" << "(" <<fval[0].f[2] << ")"<<"("<<fval[0].f[3]<< ")" << endl;
}
Vec4 &operator+(const Vec4 &v)
{
Vec4 &result = *this;
result.fval[0].f[0] += v.fval[0].f[0];
result.fval[0].f[1] += v.fval[0].f[1];
result.fval[0].f[2] += v.fval[0].f[2];
result.fval[0].f[3] += v.fval[0].f[3];
return result;
}
Vec4 &operator-(const Vec4 &v)
{
Vec4 &result = *this;
result.fval[0].f[0] -= v.fval[0].f[0];
result.fval[0].f[1] -= v.fval[0].f[1];
result.fval[0].f[2] -= v.fval[0].f[2];
result.fval[0].f[3] -= v.fval[0].f[3];
return result;
}
Vec4 &operator/(const Vec4 &v)
{
Vec4 &result = *this;
result.fval[0].f[0] /= v.fval[0].f[0];
result.fval[0].f[1] /= v.fval[0].f[2];
result.fval[0].f[2] /= v.fval[0].f[3];
result.fval[0].f[3] /= v.fval[0].f[4];
return result;
}
Vec4 &operator*(const Vec4 &v)
{
Vec4 &result = *this;
result.fval[0].f[0] *= v.fval[0].f[0];
result.fval[0].f[1] *= v.fval[0].f[1];
result.fval[0].f[2] *= v.fval[0].f[2];
result.fval[0].f[3] *= v.fval[0].f[3];
return result;
}
Vec4 &operator+=(const Vec4 &v)
{
this->fval[0].f[0] += v.fval[0].f[0];
this->fval[0].f[1] += v.fval[0].f[1];
this->fval[0].f[2] += v.fval[0].f[2];
this->fval[0].f[3] += v.fval[0].f[3];
return *this;
}
Vec4 &operator-=(const Vec4 &v)
{
this->fval[0].f[0] -= v.fval[0].f[0];
this->fval[0].f[1] -= v.fval[0].f[1];
this->fval[0].f[2] -= v.fval[0].f[2];
this->fval[0].f[3] -= v.fval[0].f[3];
return *this;
}
Vec4 &operator*=(const Vec4 &v)
{
this->fval[0].f[0] *= v.fval[0].f[0];
this->fval[0].f[1] *= v.fval[0].f[1];
this->fval[0].f[2] *= v.fval[0].f[2];
this->fval[0].f[3] *= v.fval[0].f[3];
return *this;
}
Vec4 &operator/=(const Vec4 &v)
{
this->fval[0].f[0] /= v.fval[0].f[0];
this->fval[0].f[1] /= v.fval[0].f[1];
this->fval[0].f[2] /= v.fval[0].f[2];
this->fval[0].f[3] /= v.fval[0].f[3];
return *this;
}
float operator [] (int index)
{
return this->fval[0].f[index];
}
friend ostream &operator<<(ostream &os, Vec4 &v);
friend istream &operator>>(istream &is, Vec4 &v);
};
ostream &operator<<(ostream &os, Vec4 &v)
{
return os << "(" << v.fval[0].f[0] << ")" << "(" << v.fval[0].f[1] << "(" << v.fval[0].f[2] << ")" << "(" << v.fval[0].f[3] << ")" << endl;
}
istream &operator>>(istream &is, Vec4 &v)
{
return is >> v.fval[0].f[0] >> v.fval[0].f[1] >> v.fval[0].f[2] >> v.fval[0].f[3];
}
int main()
{
Vec4 v1(floatt(1.1f, 6.9f, 4.4f, 3.5f));
v1[3] = 3.45;
return 0;
}
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