DRIVPRB
 Some sample tests for DRIV
 the real or complex ODE solver.
  
  
 TEST01
 Test SDRIV1, the simple interface.
 Solving Van der Pol equation.
 Exact solution has Y(1)=0 for points 3, 5, 7,...
  
    0.00000       2.00000       0.00000    
    1.39284       1.68010     -0.291059    
    3.60761     -0.253131E-02  -3.17593    
    5.82239      -1.67981      0.291149    
    8.03716      0.555691E-02   3.18481    
    10.2519       1.67964     -0.291212    
    12.4667     -0.558407E-02  -3.18467    
    14.6815      -1.67935      0.291303    
    16.8963      0.964346E-02   3.19676    
    19.1110       1.67922     -0.291347    
    21.3258     -0.130728E-01  -3.20715    
    23.5406      -1.67895      0.291409    
    25.7554      0.138337E-01   3.20973    
  
 TEST02
 Test SDRIV2, moderately-involved interface.
 Solving Van der Pol equation.
 Exact solution has Y(1)=0 for points 3, 5, 7,...
  
    0.00000       2.00000       0.00000    
    1.39284       1.68010     -0.291066    
    3.60761     -0.351346E-02  -3.17907    
    5.82239      -1.67983      0.291144    
    8.03716      0.546523E-02   3.18443    
    10.2519       1.67966     -0.291202    
    12.4667     -0.669840E-02  -3.18822    
    14.6815      -1.67920      0.291336    
    16.8963      0.124339E-01   3.20534    
    19.1110       1.67878     -0.291455    
    21.3258     -0.145728E-01  -3.21146    
    23.5406      -1.67883      0.291454    
    25.7554      0.157579E-01   3.21550    
  
 TEST03
 Test SDRIV3, advanced interface.
 Solving Van der Pol equation.
 Exact solution has Y(1)=0 for points 3, 5, 7,...
  
    0.00000       2.00000       0.00000    
    1.39284       1.68010     -0.291064    
    3.60761     -0.255178E-02  -3.17575    
    5.82239      -1.67996      0.291106    
    8.03716      0.309187E-02   3.17744    
    10.2519       1.67988     -0.291144    
    12.4667     -0.478169E-02  -3.18228    
    14.6815      -1.67936      0.291303    
    16.8963      0.107242E-01   3.20034    
    19.1110       1.67905     -0.291379    
    21.3258     -0.135098E-01  -3.20865    
    23.5406      -1.67890      0.291428    
    25.7554      0.151198E-01   3.21366    
  
 TEST04
 Test CDRIV2, moderately-involved interface.
 Solving sine/cosine equation.
 Y(1)'= Y(2)
 Y(2)'=-Y(1)
  
        T         REAL(Y(1))   AIMAG(Y(1))    REAL(Y(2))   AIMAG(Y(2)) 
  
    0.00000       1.00000       0.00000       0.00000       1.00000    
   0.523599      0.866027      0.499989     -0.499989      0.866027    
    1.04720      0.500003      0.866027     -0.866027      0.500003    
    1.57080     -0.125868E-04   1.00001      -1.00001     -0.125831E-04
    2.09440     -0.500033      0.866018     -0.866018     -0.500033    
    2.61799     -0.866040      0.499977     -0.499977     -0.866040    
    3.14159     -0.999994     -0.303835E-04  0.304580E-04 -0.999994    
    3.66519     -0.865990     -0.500022      0.500022     -0.865990    
    4.18879     -0.499946     -0.866020      0.866020     -0.499946    
    4.71239      0.516474E-04 -0.999956      0.999957      0.517368E-04
    5.23599      0.500024     -0.865947      0.865948      0.500024    
    5.75959      0.866001     -0.499908      0.499908      0.866001    
    6.28319      0.999921      0.748932E-04 -0.746399E-04  0.999921