math unit test was generating imaginary numbers with zero imaginary part, which caused occasional division by zero errors
math unit test was generating imaginary numbers with zero imaginary part, which caused occasional division by zero errors

aoh/owl-lisp,yuriy-chumak/OL,yuriy-chumak/OL,aisamanra/owl-lisp,yuriy-chumak/OL,yuriy-chumak/OL,aoh/owl-lisp,yuriy-chumak/OL,yuriy-chumak/OL,aisamanra/owl-lisp,aisamanra/owl-lisp,aoh/owl-lisp