fix computation of result high limit, and declaration of xlo, xyi, zlo, zhi as integer
fix computation of result high limit, and declaration of xlo, xyi, zlo, zhi as integer


git-svn-id: 0ef30dc7da0b07cedfa074587325a6c153c0ae55@9300 fdbf22ae-c210-0410-be80-ca943da6b8f8

NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret,NOAA-PMEL/Ferret,NOAA-PMEL/Ferret,NOAA-PMEL/Ferret,NOAA-PMEL/Ferret,NOAA-PMEL/Ferret,NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret