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Negation Operator

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in main

m_Numerator: 9m_Denominator: 32

g in main

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: 9m_Denominator: 32

g in main*this in operator-

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: 9m_Denominator: 32

g in main*this in operator-

m_Numerator: ?m_Denominator: ?

temp

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: 9m_Denominator: 32

g in main*this in operator-

m_Numerator: -9m_Denominator: ?

temp

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: 9m_Denominator: 32

g in main*this in operator-

m_Numerator: -9m_Denominator: 64

temp

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: 9m_Denominator: 32

g in main*this in operator-

m_Numerator: -9m_Denominator: 64

temp

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Code Trace// main.cpp ... g = -f; ...// fraction.h...class Fraction{ friend Fraction operator-(const Fraction & rhs); ...// fraction.cppFraction operator-(const Fraction & rhs){ Fraction temp; temp.m_Numerator = -rhs.m_Numerator; temp.m_Denominator = rhs.m_Denominator; return temp;}

m_Numerator: 9m_Denominator: 64

f in mainrhs in operator-

m_Numerator: -9m_Denominator: 64

g in main*this in operator-

m_Numerator: -9m_Denominator: 64

temp

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Not Operator

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 9m_Denominator: 64

f in main

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 9m_Denominator: 64

f in main*this in operator!

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 9m_Denominator: 64

f in main*this in operator!

9

temp

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 64m_Denominator: 64

f in main*this in operator!

9

temp

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 64m_Denominator: 9

f in main*this in operator!

9

temp

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Code Trace// main.cpp ... !f; ...// fraction.h...class Fraction{ void operator!(); ...// fraction.cppvoid Fraction::operator ! (){    int temp = m_Numerator;    m_Numerator = m_Denominator;    m_Denominator = temp;    return;}

m_Numerator: 64m_Denominator: 9

f in main*this in operator!

9

temp

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End of Session