From 16ff383ffa8b4a6799ca4647d1a11c1cb78c37a0 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <dcariotti24@gmail.com>
Date: Sun, 2 Feb 2020 10:56:32 +0100
Subject: lab 03/07/19 B

---
 I_anno/Programmazione_1/lab_28_02_19.cc | 162 --------------------------------
 1 file changed, 162 deletions(-)
 delete mode 100644 I_anno/Programmazione_1/lab_28_02_19.cc

(limited to 'I_anno/Programmazione_1/lab_28_02_19.cc')

diff --git a/I_anno/Programmazione_1/lab_28_02_19.cc b/I_anno/Programmazione_1/lab_28_02_19.cc
deleted file mode 100644
index 4639f66..0000000
--- a/I_anno/Programmazione_1/lab_28_02_19.cc
+++ /dev/null
@@ -1,162 +0,0 @@
-#include<iostream>
-#include<cstdlib>
-#include<cmath>
-#define DIM 50
-using namespace std;
-
-class A {
-public:
-	A(short m, char c) : len{m} {
-		ptr = new char[len];
-		srand(time(NULL));
-		for(int i = 0; i < m; ++i) {
-			ptr[i] = static_cast<char>(rand()%(c-'a'+1) + 'a');
-		}
-	}
-	A(const A& a) = default;
-	~A() {
-		delete ptr;
-	}
-
-	virtual string elab(short a, char c) = 0;
-	virtual void print(ostream& o) = 0;
-	short getLen() {
-		return len;
-	}
-
-	char& operator[](int i) {
-		return ptr[i];
-	}
-
-protected:
-	char get(short i) {
-		if(i > len)
-			return ptr[0];
-
-		return ptr[i];
-	}
-
-private:
-	char* ptr;
-	short len;
-};
-
-class B : public A {
-public:
-	B(short m, double y, char c) : A{m, c}, x{y} {}
-	double foo(short s) {
-		return sin(x+s)/log(x+s);
-	}
-
-	string elab(short a, char c) {
-		string st{};
-		for(int i = 0; i < getLen(); ++i) {
-			auto ch = get(i);
-			if(abs(ch-c) <= a) {
-				st+=ch;
-			}
-		}
-
-		return st;
-	}
-
-	void print(ostream& os) {
-		os << "B ptr=[";
-		for(int i = 0; i < getLen(); ++i) 
-			os << get(i) << ' ';
-
-		os << "], x=" << x << ", elab(5, z)=" << elab(5, 'z');
-	}
-
-private:
-	double x;
-};
-
-template<typename T>
-class C : public A {
-public:
-	C(short n, double k, char c) : A{n, c} {
-		if(typeid(T) == typeid(short))
-			y = static_cast<int>(100*k);
-		else
-			y = k;
-	}
-
-	string elab(short a, char c) {
-		string st{};
-		if(getLen() >= a) {
-			if(a >= 1) {
-				for(int i = 0; i < getLen(); st+=c, ++i);
-			}
-		} else {
-			for(int i = 0; i < getLen(); st += get(i++));
-		}
-
-		return st;
-	}
-
-	double g(short w) {
-		return sin(w+y);
-	}
-	
-	void print(ostream& os) {
-		os << "C<" << typeid(T).name() << "> ptr=[";
-		for(int i = 0; i < getLen(); ++i) 
-			os << get(i) << ' ';
-
-		os << "], y=" << y << ", elab(5, z)=" << elab(5, 'z');
-	}
-private:
-	T y;
-};
-
-ostream& operator<<(ostream& os, A& a) {
-	a.print(os);
-
-	return os;
-}
-
-int main() {
-	srand(time(NULL));
-
-	A *vett[DIM];
-	short cb{}, cc{};
-	double sumb{}, sumc{};
-
-	for(int i=0; i<DIM; i++) {
-  		short n=1+rand()%10;
-    	switch(rand()%3) {
-      	case 0: 
-		{
-        	vett[i]= new B(n, (double) rand()/RAND_MAX, rand()%('z' - 'a' + 1) + 'a');
-			auto temp = dynamic_cast<B&>(*(vett[i]));
-			sumb+=temp.foo(5);
-			++cb;
-			break;
-      	}
-		case 1:
-			vett[i]= new C<double>(n, (double) rand()/RAND_MAX, rand()%('z' - 'a' + 1) + 'a');
-			break;
-      	case 2:
-		{
-			vett[i]= new C<short>(n, (double) rand()/RAND_MAX, rand()%('z' - 'a' + 1) + 'a');
-			auto temp = dynamic_cast<C<short>&>(*(vett[i]));
-			sumc+=temp.g(5);
-			++cc;
-		}
-      	}
-	}
-
-	for(int i=0; i<DIM; i++) {
-		cout << *vett[i] << endl;
-	}
-
-	cout << "avg(foo(5))=" << sumb/cb << " "; 
-	cout << "avg(g(5))=" << sumc/cc << endl; 
-
-	cout << endl;
-	cout << *vett[0] << endl;
-	(*vett[0])[0] = '$';
-	cout << *vett[0] << endl;
-	return 0;
-}
-- 
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