Log Message:-----------Apply fix so pow() and exp() ERANGE is used only if result is not 0.
Modified Files:-------------- pgsql/src/backend/utils/adt: float.c (r1.145 -> r1.146) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/float.c.diff?r1=1.145&r2=1.146)
