DERBY-3398 Support min/max values for Java types float/double in real/double columns

merge tests for revision 1448002 for compat
low risk - limits extended.



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/branches/10.8.3.1_testcompat@1466316 13f79535-47bb-0310-9956-ffa450edef68