From a53f4a93fa5ba8bbd6904ac1f755a907d17a9ae6 Mon Sep 17 00:00:00 2001
From: Sashkachick <muravevaaleksandra9@gmail.com>
Date: Thu, 16 Jun 2022 13:04:07 +0300
Subject: [PATCH] Vector

---
 vectors/vector.cpp | 71 ++++++++++++++++++++++++++++++++++------------
 vectors/vector.h   | 61 +++++++++++++++++++++++++++++++++++++--
 2 files changed, 111 insertions(+), 21 deletions(-)

diff --git a/vectors/vector.cpp b/vectors/vector.cpp
index 9777069..9c74240 100644
--- a/vectors/vector.cpp
+++ b/vectors/vector.cpp
@@ -1,25 +1,60 @@
 #include <iostream>
 #include "vector.h"
 
-using namespace std;
+bool test_vector3d()
+{
+	vector3d v1(2, 3, 1), v2(2, 4, 0), v3(0, 0, 0);
 
-ostream& operator <<(ostream& os, const vector3d& v) {
-	return os << "{ " << v[0] << ", " << v[1] << ", " << v[2] << " }";
+	if ((v1 + v2) != vector3d(4, 7, 1))
+	{
+		cerr << "Wrong operation binary + \n";
+		return 0;
+	}
+
+	if ((v1 * 3) != vector3d(6, 9, 3))
+	{
+		cerr << "Wrong operation binary * on digit \n";
+		return 0;
+	}
+
+	if ((v2 / 2) != vector3d(1, 2, 0))
+	{
+		cerr << "Wrong operation binary / on digit \n";
+		return 0;
+	}
+
+	if (-v2 != vector3d(-2, -4, 0))
+	{
+		cerr << "Wrong operation unary - \n";
+		return 0;
+	}
+
+	if (!(v3) != vector3d(1, 1, 1) && !v2 != vector3d(0, 0, 0))
+	{
+		cerr << "Wrong operation unary ! \n";
+		return 0;
+	}
+	return 1;
 }
 
+
+
 int main(int argc, char** argv) {
-	vector3d v1, v2(12), v3(1, 3, 8);
-	v1[2] = 54;
-	//vector3d v4 = v1 + v2, v5 = v1 - v2, v6 = v1 * 0.5f;
-	//cout << "v4: " << v4 << endl << "v5: " << v5 << endl << "v6: " << v6 << endl;
-
-	printf("address of v1:             0x%p, size: %zu bytes\n", &v1, sizeof(v1));
-	printf("address of v1.data:        0x%p, size: %zu bytes\n", &v1.data, sizeof(v1.data));
-	printf("address of v1.data[-1]:    0x%p, size: %zu bytes\n", &v1.data[-1], sizeof(v1.data[-1]));
-	printf("address of v1.data[0]:     0x%p, size: %zu bytes\n", &v1.data[0], sizeof(v1.data[0]));
-	printf("address of v1.data[1]:     0x%p, size: %zu bytes\n", &v1.data[1], sizeof(v1.data[1]));
-	printf("address of v1.data[2]:     0x%p, size: %zu bytes\n", &v1.data[2], sizeof(v1.data[2]));
-	printf("address of v1.data[2000]:  0x%p, size: %zu bytes\n", &v1.data[2000], sizeof(v1.data[2000]));
-
-	return 0;
-}
+	
+	vector3d  v1(12), v2(1, 3, 8),v3(0,0,0);
+	vector3d v4(v3);
+	v2[1] = 5;//если по ссылке приходит, то присваиваем
+	cout << v3 + v2;
+	cout << v2 * 5;
+	cout << v2 / 3;
+	cout << v2 ;
+	if (v2 != v1)
+		cout << "correct != operator" << endl;
+	if (test_vector3d()) 
+		return 0;
+	else
+		return 1;
+
+
+
+}
\ No newline at end of file
diff --git a/vectors/vector.h b/vectors/vector.h
index 07587fb..801f48c 100644
--- a/vectors/vector.h
+++ b/vectors/vector.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <ostream>
+using namespace std;
 
 class vector3d {
 	float data[3];
@@ -10,10 +11,64 @@ class vector3d {
 	vector3d(float value) { data[2] = data[1] = data[0] = value; }
 	vector3d(float a1, float a2, float a3) { data[0] = a1;  data[1] = a2; data[2] = a3; }
 
-	float& operator[](int idx)       { return data[idx]; }
-	float  operator[](int idx) const { return data[idx]; }
+	vector3d operator+(const vector3d& other) {
 
+		return vector3d(data[0] + other.data[0],data[1] + other.data[1],data[2] + other.data[2]);
+	}
+
+	vector3d operator*(const float digit)
+	{
+		return vector3d(data[0] * digit,data[1] * digit,data[2] * digit);
+	}
+	
+	vector3d operator/(const float digit)
+	{
+		return vector3d(data[0] / digit,data[1] / digit,data[2] / digit);
+	}
+	vector3d operator-()
+	{
+		return vector3d(-data[0], -data[1], -data[2]);
+	}
+	vector3d operator!()
+	{
+		if (data[0] == data[1] == data[2] == 0)
+			return vector3d(1, 1, 1);
+		return vector3d(0, 0, 0);
+	}
+	bool operator!=(const vector3d& v)
+	{
+		if (data[0] != v.data[0] || data[1] != v.data[1] || data[2] != v.data[2])
+			return 1;
+		return 0;
+	}
+
+	vector3d(const vector3d& v);
+	
 	friend int main(int argc, char** argv);
+	friend ostream&operator<<(ostream& os, const vector3d& v);
+
+	float& operator[](int idx) { return data[idx]; }// по ссылке понятно, что изменится сам объект
+	float  operator[](int idx) const { return data[idx]; } // а тут возвращается просто число, которое соотвествует этому индексу, никак не меняет объект, поэтому const в конце=фу-я ничего не меняет
+
+	
 };
+ostream &operator<<(ostream& os, const vector3d& v)
+{
+	os  <<"{"<<v.data[0]<<"," << v.data[1] <<"," << v.data[2] << "}\n";
+	return os;
+	
+}
+
+vector3d::vector3d(const vector3d& v)
+{
+	data[0] = v.data[0];
+	data[1] = v.data[1];
+	data[2] = v.data[2];
+	cout << "constructor copy\n";
+}
+
+
+
+
+
 
-std::ostream& operator <<(std::ostream& os, const vector3d& v);