Incorrect Assignment Multiplication

[drocheam]

There's an error in the OprtAssignMul function (mpOprtBinAssign.cpp)

The line 191
*pVar = cmplx_type(a*c-b*d, a*d-b*c);

should be
*pVar = cmplx_type(a*c-b*d, a*d+b*c);

Check https://www.math-only-math.com/multiplication-of-two-complex-numbers.html for reference.

[beltoforion]

should be fixed