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#include "Exercise4.h"
void FloatArray::free() {
delete[] numbers;
}
void FloatArray::copyFrom(const FloatArray& other) {
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
this->numbers = new float[allocated];
for (int i = 0; i < this->lastUnused; i++) {
this->numbers[i] = other.numbers[i];
}
}
void FloatArray::resize() {
allocated *= 2;
float* moreNumbers = new float[allocated];
for (int i = 0; i < lastUnused; i++) {
moreNumbers[i] = numbers[i];
}
delete[] numbers;
numbers = moreNumbers;
}
FloatArray::FloatArray() {
numbers = nullptr;
lastUnused = allocated = 0;
}
FloatArray::~FloatArray() {
free();
}
FloatArray::FloatArray(const FloatArray& other) {
copyFrom(other);
}
FloatArray& FloatArray::operator=(const FloatArray& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
FloatArray::FloatArray(FloatArray&& other) {
this->numbers = other.numbers;
other.numbers = nullptr;
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
}
FloatArray& FloatArray::operator=(FloatArray&& other) {
if (this != &other) {
free();
this->numbers = other.numbers;
other.numbers = nullptr;
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
}
return *this;
}
void FloatArray::Add(float number) {
if (allocated == lastUnused) {
resize();
}
numbers[lastUnused++] = number;
}
FloatArray& FloatArray::operator+=(const FloatArray& other) {
for (int i = 0; i < other.lastUnused; i++) {
this->Add(other.numbers[i]);
}
return *this;
}
FloatArray& FloatArray::operator+=(float number) {
for (int i = 0; i < lastUnused; i++) {
numbers[i] += number;
}
return *this;
}
float& FloatArray::operator[](int index) {
if (index < 0 || lastUnused <= index) {
throw "Invalid index!";
}
return numbers[index];
}
FloatArray operator+(const FloatArray& left, const FloatArray& right) {
FloatArray output;
(output += left) += right;
return output;
}
FloatArray operator+(const FloatArray& left, float right) {
FloatArray output = left; // Копиращ конструктор
output += right;
return output;
}
bool operator==(const FloatArray& left, const FloatArray& right) {
if (left.lastUnused != right.lastUnused) {
return false;
}
for (int i = 0; i < left.lastUnused; i++) {
if (left.numbers[i] != right.numbers[i]) {
return false;
}
}
return true;
}
bool operator!=(const FloatArray& left, const FloatArray& right) {
return !(left == right);
}
std::ostream& operator<<(std::ostream& ostr, const FloatArray& right) {
ostr << right.lastUnused << " ";
for (int i = 0; i < right.lastUnused; i++) {
ostr << right.numbers[i] << " ";
}
return ostr;
}
std::istream& operator>>(std::istream& istr, FloatArray& right) {
int length;
istr >> length;
right.lastUnused = 0;
for (int i = 0; i < length; i++) {
float temp;
istr >> temp;
right.Add(temp);
}
return istr;
}
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