D02PXF Example Program Data
   2  1                               : neq, method, nwant
   0.0  6.28318530717958647692        : tstart, tend
   0.0  1.0                           : ystart(1:neq)
   0.0                                : hstart
   1.0E-8  1.0E-8                     : thres(1:neq)
   .FALSE.                            : errass