Fixed bug in automatic setting of precision (it was too large by 1 place) when exponent is placed separately.
Fixed bug in automatic setting of precision (it was too large by 1 place)
when exponent is placed separately.

svn path=/trunk/; revision=504

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot