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ch-08-ex-03-solution.cpp
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Sat, Aug 24, 02:21

ch-08-ex-03-solution.cpp
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/*
* chapter-08-exercise-03.cpp
*
* STL vector of complex numbers
*
* Created on: Nov 1, 2012
* Author: Radu Popescu <radu.popescu@epfl.ch>
*/
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include "ComplexNumber.hpp"
int main(int argc, char *argv[]) {
std::vector<ComplexNumber> numbers;
numbers.reserve(6);
numbers.push_back(ComplexNumber(1.0, 2.0));
numbers.push_back(ComplexNumber(2.0, -1.0));
numbers.push_back(ComplexNumber(0.0, 0.0));
std::cout << "Length of vector is " << numbers.size() << "\n";
std::cout << "Entries of vector are\n";
for (int i = 0; i < 3; i++) {
std::cout << numbers[i] << "\n";
}
std::vector<ComplexNumber>::const_iterator c;
for (c = numbers.begin(); c != numbers.end(); c++) {
std::cout << *c << "\n";
}
numbers.insert(numbers.begin(), ComplexNumber(5.0, 5.0));
numbers.insert(numbers.begin() + 1, ComplexNumber(-1.1, -2.0));
numbers.push_back(ComplexNumber(0.0, -2.0));
std::cout << "Length of vector is " << numbers.size() << "\n";
std::cout << "Entries of vector are\n";
for (c = numbers.begin(); c != numbers.end(); c++) {
std::cout << *c << "\n";
}
numbers.erase(numbers.begin() + 3, numbers.end());
std::cout << "Length of vector is " << numbers.size() << "\n";
std::cout << "Entries of vector are\n";
for (c = numbers.begin(); c != numbers.end(); c++) {
std::cout << *c << "\n";
}
std::sort(numbers.begin(), numbers.end());
std::cout << "Length of vector is " << numbers.size() << "\n";
std::cout << "Entries of vector are\n";
for (c = numbers.begin(); c != numbers.end(); c++) {
std::cout << *c << "\n";
}
return 0;
}

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