Fix non terminating decimal expansion error in Linecalculator

[rchilumukoti]

In LineCalculator constructor calls divide function without RoundingMode, to get itemTotalNetAmount. In case if the price is a decimal number then it is throwing "non terminating decimal expansion" error.

Fixed it by adding RoundingMode parameter where divide function is called.

Also added test case in CalcuationTest class.
I have attached the patch file, thanks.

Regards
Rajani
Fix_non_terminating_decimal_expansion_error_in_Linecalculator.patch

[rchilumukoti]

Hi, Unfortunately Issue #491 is not fixed properly. I have created Issue #501. Thanks