fabs in qsastime_testlib requires the math library. modf in qsastime requires the math library.
fabs in qsastime_testlib requires the math library.
modf in qsastime requires the math library.

svn path=/trunk/; revision=9540

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