19 January 2015 9:26:23.003 AM SPIRAL_DATA_PRB FORTRAN77 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. 19 January 2015 9:26:23.014 AM