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#pragma once
#include <cstddef>
#include <sstream>
#include <iostream>
#include <iterator>
template <size_t S, typename T = float>
struct Vector {
public:
Vector(): elements{} {};
template<typename ...Args>
Vector<S, T>(Args... args) : elements{ args... } {};
Vector<S, T>(T values[S]) {
std::copy(values, values + S, elements);
};
Vector<S, T>(Vector<S - 1, T> vector, T scalar) {
std::copy(vector.elements, vector.elements + S - 1, elements);
elements[S - 1] = scalar;
}
Vector<S, T> apply(T f(T)) {
return apply(static_cast<std::function<T(T)>>(f));
}
Vector<S, T> apply(std::function<T(T)> f) {
Vector<S, T> result{};
for (int i = 0; i < S; i++) {
result[i] = f(elements[i]);
}
return result;
}
T& operator[](size_t index) {
return elements[index];
}
Vector<S, T> operator+(Vector<S, T> other) const {
Vector<S, T> result{};
for (int i = 0; i < S; i++) {
result[i] = elements[i] + other[i];
}
return result;
}
Vector<S, T> operator*(T scalar) const {
Vector<S, T> result;
for (size_t index; index < S; index++) {
result = this[index] * scalar;
}
return result;
}
T operator*(Vector<S, T> other) const {
T result = 0;
for (size_t index = 0; index < S; index++) {
result += this->elements[index] * other[index];
}
return result;
}
T x() {
static_assert(S > 0);
return elements[0];
}
T y() {
static_assert(S > 1);
return elements[1];
}
T z() {
static_assert(S > 2);
return elements[2];
}
T w() {
static_assert(S > 3);
return elements[3];
}
std::string string() const {
std::stringstream str{};
str << "[ ";
for (int i = 0; i < S; i++) {
str << elements[i] << " ";
}
str << "]";
return str.str();
}
T elements[S];
};
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