using namespace std;

$/*$

NumberList::NumberList$()$

$\{$

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NumberList::NumberList$($int l$,$ double n$)$

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NumberList::NumberList$($int l$,$ const double a$[])$

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NumberList::NumberList$($const NumberList & nl$)$

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void NumberList::print$()$

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int NumberList::getLength$()$

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double NumberList::sum$()$

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double NumberList::ave$()$

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double NumberList::max$()$

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double NumberList::min$()$

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bool NumberList::isIn$($double n$)$

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bool NumberList::push$($double value$)$

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bool NumberList::pop$()$

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void NumberList::read$($istream & inStream$)$

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if$($&inStream $==$ &cin$)$

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else

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$//$file structure: first line contains the number of numbers in the list

$//$remaining lines contain the numbers each separated by a whitespace

$\}$

$\}$

bool NumberList::insert$($double number, int position$)$

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$//$SELECTION SORT algorithm

void NumberList::sort$($char type$)$

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bool NumberList::operator$==($const NumberList& rhs$)$

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NumberList& NumberList::operator$=($const NumberList& rhs$)$

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$//$avoid self$-$assignment, only do assignment if RHS is a different object from this

if$($this $!=$ &rhs$)$

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return $*$this;

$\}$

NumberList& NumberList::operator$+=($const double& number$)$

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if$($length $==100)$

cout $<<$ "Unable to perform $+=,$ list is filled to capacity

$"$;

else

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return $*$this;

$\}$

NumberList& NumberList::operator$+=($const NumberList& rhs$)$

$\{$

if$($length $==100)$

cout $<<$ "Unable to perform $+=,$ list is filled to capacity

$"$;

else if$($length $+$ rhs$.$length $>100)$

cout $<<$ "Unable to perform $+=,$ list would be over capacity

$"$;

else

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return $*$this;

$\}$

$//**************************************$

$//$FOR $10\%$ EXTRA CREDIT ON THIS PROJECT GRADE, OVERLOAD THE FOLLOWING OPERATORS

$//$AS NON$-$MEMBER FUNCTIONS

ostream& operator$<<($ostream& out, const NumberList& nl$)$

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const NumberList operator$+($NumberList& lhs$,$ const double& number$)$

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const NumberList operator$+($NumberList& lhs$,$ const NumberList& rhs$)$

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$*/$