isequals operator
DESCRIPTION
IsEquals Operator. Code Trace. // main.cpp ... int main() { if(f==g) ... // fraction.h ... class Fraction { friend bool operator==(const Fraction & lhs, const Fraction & rhs ); ... // fraction.cpp bool operator==(const Fraction & lhs, const Fraction & rhs ) - PowerPoint PPT PresentationTRANSCRIPT
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IsEquals Operator
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in main
m_Numerator: 9m_Denominator: 32
g in main
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
64
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
649
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
576
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
57632
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
576329
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
576288
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Code Trace// main.cpp...int main(){ if(f==g) ...
// fraction.h...class Fraction{ friend bool operator==(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator==rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator==
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator==
576288 false
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NotEquals Operator
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Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
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Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in main
m_Numerator: 9m_Denominator: 32
g in main
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Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
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Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
64
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
649
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
576
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operato!r=
57632
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
576329
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
576288
http://cs.mst.edu
Code Trace// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator!=(const Fraction & lhs, const Fraction & rhs){ return lhs.m_Numerator*rhs.m_Denominator!=rhs.m_Numerator*lhs.m_Denominator;}
m_Numerator: 9m_Denominator: 64
f in mainlhs in operator!=
m_Numerator: 9m_Denominator: 32
g in mainrhs in operator!=
576288 true
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Alternative Definition// main.cpp...int main(){ if(f!=g) ...
// fraction.h...class Fraction{ friend bool operator!=(const Fraction & lhs, const Fraction & rhs); ...
// fraction.cppbool operator==(const Fraction & lhs, const Fraction & rhs){ return !(lhs==rhs);}
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End of Session