double a=0.33,b=0.33 then Distance::IsEquall(a,b) = 1
after? set(199.1,11.05)
?Feet: 199.1 Inches:11.05
?Feet: 199.1 Inches:11.05

?D1 equal D2

Process returned 0 (0x0)?? execution time : 0.894 s
Press any key to continue.

****************************/

?

?

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运行结果：
before swap :
D1:---->?? Feet: 20.08 Inches:5.12
D2:---->?? Feet: 20.13 Inches:4.2
D1 is less than D2
after swap :
D1:---->?? Feet: 20.13 Inches:4.2
D2:---->?? Feet: 20.08 Inches:5.12
D2 is less than D1

double a=0.33,b=0.33 then Distance::IsEquall(a,b) = 1
after? set(199.1,11.05)
?Feet: 199.1 Inches:11.05
?Feet: 199.1 Inches:11.05

?D1 equal D2

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