18 January 2015  10:18:27.603 AM

SPIRAL_DATA_PRB
  FORTRAN90 version
  Test the SPIRAL_DATA library.

TEST01
  Sample a spiral velocity field and estimate
  the range of the solution values.

           Minimum       Maximum

  U:      -1.85404         2.22494    
  V:      -2.23154         1.85234    

TEST02:
  Sample a spiral velocity field and estimate the
  range of residuals in the continuity equation.

           Minimum       Maximum

  Pr:       0.00000         0.00000    

TEST03:
  Generate a spiral velocity field on a regular grid.
  Store in GNUPLOT data and command files.

  Data written to "spiral_data.txt".
  Commands written to "spiral_commands.txt".

SPIRAL_DATA_TEST
  Normal end of execution.
18 January 2015  10:18:27.615 AM