huiswerk week 2 klaar

6 files changed, 206 insertions, 0 deletions

diff --git a/oop2w2/AutomaticNumberGuesser.cpp b/oop2w2/AutomaticNumberGuesser.cpp
new file mode 100644
index 0000000..433252c
--- /dev/null
+++ b/oop2w2/AutomaticNumberGuesser.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+
+#include "AutomaticNumberGuesser.h"
+#include "NumberGuessGame.h"
+
+AutomaticNumberGuesser::AutomaticNumberGuesser() { }
+AutomaticNumberGuesser::~AutomaticNumberGuesser() { }
+
+void AutomaticNumberGuesser::process(NumberGuessGame &game) {
+	unsigned low = game.getLowerBound();
+	unsigned high = game.getUpperBound();
+	bool found = false;
+	while (!found) {
+		unsigned guess = (low + high) / 2;
+		enum NumberGuessGame::RESULT r = game.guess(guess);
+		if (r == NumberGuessGame::TOOLOW) low = guess;
+		else if (r == NumberGuessGame::TOOHIGH) high = guess;
+		else found = true;
+	}
+}
+
diff --git a/oop2w2/AutomaticNumberGuesser.h b/oop2w2/AutomaticNumberGuesser.h
new file mode 100644
index 0000000..a0a99eb
--- /dev/null
+++ b/oop2w2/AutomaticNumberGuesser.h
@@ -0,0 +1,18 @@
+#pragma once
+
+/*
+ * NO NOT ADAPT THIS FILE
+ */
+
+class NumberGuessGame;
+
+class AutomaticNumberGuesser
+{
+public:
+                            AutomaticNumberGuesser();
+    virtual                ~AutomaticNumberGuesser();
+
+public:
+    virtual void            process( NumberGuessGame& );
+};
+
diff --git a/oop2w2/NumberGuessGame.cpp b/oop2w2/NumberGuessGame.cpp
new file mode 100644
index 0000000..ec1fc4e
--- /dev/null
+++ b/oop2w2/NumberGuessGame.cpp
@@ -0,0 +1,113 @@
+/*
+ * NO NOT ADAPT THIS FILE
+ */
+
+#include "NumberGuessGame.h"
+
+#include <cmath>
+#include <cstdlib>
+#include <ctime>
+
+#include <iomanip>
+#include <iostream>
+
+#define INITRANDOM  100
+
+///////////////////////////////////////////////////////////////////////////////
+//  constructors / destructor
+
+NumberGuessGame::NumberGuessGame()
+{
+    initialize( unsigned(::time(nullptr)) );
+}
+
+NumberGuessGame::NumberGuessGame( unsigned uSeed )
+{
+    initialize( uSeed );
+}
+
+NumberGuessGame::~NumberGuessGame()
+{
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//  create new game + boundaries
+
+void
+NumberGuessGame::createNewNumber()
+{
+    double  dInterval   = ::pow( 20.0, 1.0 + 2.0*uniform() );
+
+    m_uLowerBound       = unsigned( dInterval * uniform() );
+    m_uUpperBound       = unsigned( m_uLowerBound + dInterval );
+    m_uNumberToGuess    = m_uLowerBound + unsigned( dInterval * uniform() );
+
+    m_uNumberOfGuesses  = 0;
+}
+
+unsigned
+NumberGuessGame::getLowerBound() const
+{
+    return m_uLowerBound;
+}
+
+unsigned
+NumberGuessGame::getUpperBound() const
+{
+    return m_uUpperBound;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//  guessing process
+
+enum NumberGuessGame::RESULT
+NumberGuessGame::guess( unsigned uValue )
+{
+    m_uNumberOfGuesses  += 1;
+
+    if ( uValue == m_uNumberToGuess )
+    {
+        std::cout << std::setw(3) << m_uNumberOfGuesses << ": number guessed : " << uValue << std::endl;
+        return FOUND;
+    }
+
+    if ( uValue < m_uNumberToGuess )
+    {
+        std::cout << std::setw(3) << m_uNumberOfGuesses << ": number too low : " << uValue << std::endl;
+        return TOOLOW;
+    }
+    else
+    {
+        std::cout << std::setw(3) << m_uNumberOfGuesses << ": number too high: " << uValue << std::endl;
+        return TOOHIGH;
+    }
+}
+
+unsigned
+NumberGuessGame::numberOfGuesses()   const
+{
+    return m_uNumberOfGuesses;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//  private members
+
+void
+NumberGuessGame::initialize( unsigned uSeed )
+{
+    m_uLowerBound       = 0;
+    m_uUpperBound       = 1;
+    m_uNumberToGuess    = unsigned( -1 );
+    m_uNumberOfGuesses  = unsigned( -1 );
+
+    ::srand( uSeed );
+
+    for (unsigned n=0; n<INITRANDOM; n++ )
+        ::rand();
+}
+
+double
+NumberGuessGame::uniform() const
+{
+    return ::rand() / double(RAND_MAX);
+}
diff --git a/oop2w2/NumberGuessGame.h b/oop2w2/NumberGuessGame.h
new file mode 100644
index 0000000..62394d5
--- /dev/null
+++ b/oop2w2/NumberGuessGame.h
@@ -0,0 +1,35 @@
+#pragma once
+
+/*
+ * NO NOT ADAPT THIS FILE
+ */
+
+class NumberGuessGame
+{
+public:
+                        NumberGuessGame();
+                        NumberGuessGame( unsigned );
+    virtual            ~NumberGuessGame();
+
+public:
+    virtual void        createNewNumber();
+    virtual unsigned    getLowerBound()     const;
+    virtual unsigned    getUpperBound()     const;
+
+public:
+    enum RESULT { TOOLOW=-1, FOUND=0, TOOHIGH=1 };
+
+    virtual enum RESULT guess( unsigned );
+    virtual unsigned    numberOfGuesses()   const;
+
+private:
+    virtual void        initialize( unsigned );
+    virtual double      uniform()           const;
+
+private:
+    unsigned            m_uLowerBound;
+    unsigned            m_uUpperBound;
+    unsigned            m_uNumberToGuess;
+    unsigned            m_uNumberOfGuesses;
+};
+
diff --git a/oop2w2/main.cpp b/oop2w2/main.cpp
new file mode 100644
index 0000000..e7e0925
--- /dev/null
+++ b/oop2w2/main.cpp
@@ -0,0 +1,18 @@
+/*
+ * NO NOT ADAPT THIS FILE
+ */
+
+#include "NumberGuessGame.h"
+#include "AutomaticNumberGuesser.h"
+
+
+int main()
+{
+    NumberGuessGame         cGame;
+    AutomaticNumberGuesser  cGuesser;
+
+    cGame.createNewNumber();
+    cGuesser.process( cGame );
+
+    return 0;
+}
diff --git a/oop2w2/makefile b/oop2w2/makefile
new file mode 120000
index 0000000..a4e84c6
--- /dev/null
+++ b/oop2w2/makefile
@@ -0,0 +1 @@
+../week.mk
\ No newline at end of file