lesson_17/main.cpp

@@ -1,96 +0,0 @@
-/*
- * main.cpp
- *
- *  Created on: 8 авг. 2021 г.
- *      Author: alexander
- */
-#include <iostream>
-#include <iomanip>
-
-using namespace std;
-
-void floatType();
-void boolType();
-
-int main()
-{
-	// Размер типов данных
-	cout << "bool:\t\t" << sizeof(bool) << " bytes" << endl;
-	cout << "char:\t\t" << sizeof(char) << " bytes" << endl;
-	cout << "wchar_t:\t" << sizeof(wchar_t) << " bytes" << endl;
-	cout << "char16_t:\t" << sizeof(char16_t) << " bytes" << endl;
-	cout << "char32_t:\t" << sizeof(char32_t) << " bytes" << endl;
-	cout << "short:\t\t" << sizeof(short) << " bytes" << endl;
-	cout << "int:\t\t" << sizeof(int) << " bytes" << endl;
-	cout << "long:\t\t" << sizeof(long) << " bytes" << endl;
-	cout << "long long:\t" << sizeof(long long) << " bytes" << endl;
-	cout << "float:\t\t" << sizeof(float) << " bytes" << endl;
-	cout << "double:\t\t" << sizeof(double) << " bytes" << endl;
-	cout << "long double:\t" << sizeof(long double) << " bytes" << endl;
-
-	floatType();
-	boolType();
-
-	return 0;
-}
-
-void floatType()
-{
-
-
-	// Запись числа
-	int n(5);
-	double d(5.0);
-	float f(5.0f);
-
-	cout << "n:\t" << n << endl;
-	cout << "d:\t" << d << endl;
-	cout << "f:\t" << f << endl;
-
-	// Экспоненциальная запись чисел
-	{
-		double d1(5000.0);
-		double d2(5e3);
-		double d3(0.05);
-		double d4(5e-2);
-
-		cout << "d1:\t" << d1 << endl;   // 5000
-		cout << "d2:\t" << d2 << endl;   // 5000
-		cout << "d3:\t" << d3 << endl;   // 0.05
-		cout << "d4:\t" << d4 << endl;   // 0.05
-	}
-
-	// Тест
-	{
-		double d1(3.450e1);
-		double d2(4.000e-3);
-		double d3(1.23005e2);
-		double d4(1.46e5);
-		double d5(1.46000001e5);
-		double d6(8e-10);
-		double d7(3.45000e4);
-
-		cout << "d1:\t" << setprecision(4) << d1 << endl;   // 34.50
-		cout << "d2:\t" << setprecision(4) << d2 << endl;   // 0.004000
-		cout << "d3:\t" << setprecision(6) << d3 << endl;   // 123.005
-		cout << "d4:\t" << setprecision(3) << d4 << endl;   // 146000
-		cout << "d5:\t" << setprecision(9) << d5 << endl;   // 146000.001
-		cout << "d6:\t" << setprecision(1) << d6 << endl;   // 0.0000000008
-		cout << "d7:\t" << setprecision(6) << d7 << endl;   // 34500.0
-	}
-}
-
-void boolType()
-{
-	bool b1 = true;   // копирующая инициализация
-	bool b2(false);   // прямая инициализация
-	bool b3{true};    // uniform-инициализация (C++11)
-	bool b4 = false;  // операция присваивания
-
-	cout << b1 << endl;
-	cout << b2 << endl;
-	cout << b3 << endl;
-	cout << b4 << endl;
-}
-
-