Wed Oct  8 07:30:17 2025

continuity_exact_test():
  python version: 3.10.12
  numpy version:  1.26.4
  Test continuity_exact().

grid_2d_test:
  grid_2d() generates a regular grid.

   0   0   0       10.000000        5.000000
   1   1   0       12.500000        5.000000
   2   2   0       15.000000        5.000000
   3   3   0       17.500000        5.000000
   4   4   0       20.000000        5.000000
   5   0   1       10.000000        5.500000
   6   1   1       12.500000        5.500000
   7   2   1       15.000000        5.500000
   8   3   1       17.500000        5.500000
   9   4   1       20.000000        5.500000
  10   0   2       10.000000        6.000000
  11   1   2       12.500000        6.000000
  12   2   2       15.000000        6.000000
  13   3   2       17.500000        6.000000
  14   4   2       20.000000        6.000000

uv_spiral_test():
  Sample a spiral velocity field and estimate
  the range of the solution values.

           Minimum       Maximum

  U:        -1.85063          2.2331
  V:        -2.22009          1.8436

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

           Minimum       Maximum

  Pr:               0               0

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

  Data written to "continuity_exact_data.txt".
  Commands written to "continuity_exact_commands.txt".

spiral_matplotlib_test:
  Python version: 3.10.12
  Generate a spiral velocity field on a regular grid.
  Display it using matplotlib

continuity_exact_test():
  Normal end of execution.
Wed Oct  8 07:30:18 2025