-- fix the least-common-denominator algorithm -- try to avoid certain

[Linas Vepstas]

Log Message:
-----------
-- fix the least-common-denominator algorithm
-- try to avoid certain types of denominator overflows in addition
-- start implemented an add128 routine (not done)
-- white-space changes

Modified Files:
--------------
    gnucash/src/engine:
        gnc-numeric.c