Distance.cpp

#include

Using namespace std;

struct Point

$\{$

double x;

double y;

$\}$;

Define the following function.

double distance $($Point a$,$ Point b$)$

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$\backslash \backslash$ complete the function

$\}$

Tester.cpp

Double distance$($Point a$,$ Point b$)$;

Int main$()$

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cout $<<$ distance$($Point $\{1,2\},$ Point$\{2,1\})<<$ endl;

cout $<<$Expected: $1\mathrm{.}41421<<$ endl;

cout $<<$ distance$($Point$\{4,5\},$ Point$\{0,0\})<<$ endl;

cout $<<$Expected: $6\mathrm{.}40312<<$ endl;

cout $<<$ distance$($Point$\{0,1\mathrm{.}5\},$ Point$\{7\mathrm{.}25,-3\mathrm{.}5\})<<$ endl;

cout $<<$Expected: $8\mathrm{.}80696<<$ endl;

return $0$;

$\}$