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#include "NumSeries.h"
#include <cmath>
void NumSeries::free() {
delete[] numbers;
}
void NumSeries::copyFrom(const NumSeries& other) {
allocated = other.allocated;
size = other.size;
numbers = new double[allocated];
for (unsigned i = 0; i < size; ++i)
numbers[i] = other.numbers[i];
}
void NumSeries::resize() {
allocated *= 2;
double* newNumbers = new double[allocated];
for (unsigned i = 0; i < size; ++i)
newNumbers[i] = numbers[i];
delete[] numbers;
numbers = newNumbers;
}
NumSeries::NumSeries() {
numbers = nullptr;
allocated = size = 0;
}
NumSeries::~NumSeries() {
free();
}
NumSeries::NumSeries(const NumSeries& other) {
copyFrom(other);
}
NumSeries& NumSeries::operator=(const NumSeries& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
NumSeries::NumSeries(NumSeries&& other) {
numbers = other.numbers;
allocated = other.allocated;
size = other.size;
other.numbers = nullptr;
other.allocated = 0;
other.size = 0;
}
NumSeries& NumSeries::operator=(NumSeries&& other) {
if (this != &other) {
free();
numbers = other.numbers;
allocated = other.allocated;
size = other.size;
other.numbers = nullptr;
other.allocated = 0;
other.size = 0;
}
return *this;
}
void NumSeries::Push(double element) {
if (size >= allocated)
resize();
numbers[size++] = element;
}
double NumSeries::At(unsigned index) const {
if (index >= size)
return NAN;
return numbers[index];
}
unsigned NumSeries::Length() const {
return size;
}
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