allow specification of the function to print logging information, check for crossing bounds on equality constraint
allow specification of the function to print logging information, check for crossing bounds on equality constraint

darcs-hash:20070301015255-1a7c6-5fb9210ddac8b58af8a8fc26e3103b1d1136333b

kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc