Log Message:
-----------
Improve dpow() check for ERANGE overflow for HPPA.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
float.c (r1.143 -> r1.144)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/float.c.diff?r1=1.143&r2=1.144)