Don't raise an exception when converting strings to real numbers that overflow or underflow.  Instead return appropriately signed zeros or infinities.
Don't raise an exception when converting strings to real numbers that overflow or underflow.  Instead return appropriately signed zeros or infinities.


git-svn-id: 98787b36aaefbae4b30fa755be920954cd25e1e4@343 ae7d391e-3f74-4a2b-a0db-a8776840fd2a

dcjm/polyml,dcjm/polyml,dcjm/polyml,mn200/polyml,polyml/polyml,dcjm/polyml,mn200/polyml,polyml/polyml,polyml/polyml,mn200/polyml,polyml/polyml,mn200/polyml