8 September 2021   6:53:52.252 PM
 
DISK01_INTEGRALS_TEST
  FORTRAN90 version
  Test the DISK01_INTEGRALS library.

TEST01
  Estimate monomial integrals using Monte Carlo
  over the interior of the unit disk in 2D.

  Number of sample points used is   4192

  If any exponent is odd, the integral is zero.
  We will restrict this test to randomly chosen even exponents.

  Ex  Ey     MC-Estimate           Exact      Error

   8   8    0.367563E-03    0.372843E-03    0.53E-05
   4   2    0.488541E-01    0.490874E-01    0.23E-03
   8   4    0.304589E-02    0.306796E-02    0.22E-04
   2   8    0.145760E-01    0.143172E-01    0.26E-03
   6   8    0.951434E-03    0.958738E-03    0.73E-05
   8   8    0.367563E-03    0.372843E-03    0.53E-05
   4   8    0.307702E-02    0.306796E-02    0.91E-05
   2   8    0.145760E-01    0.143172E-01    0.26E-03
   4   8    0.307702E-02    0.306796E-02    0.91E-05
   2   6    0.248522E-01    0.245437E-01    0.31E-03
   2   0    0.783930        0.785398        0.15E-02
   2   2    0.130312        0.130900        0.59E-03
   8   2    0.143801E-01    0.143172E-01    0.63E-04
   6   4    0.608640E-02    0.613592E-02    0.50E-04
   0   2    0.788102        0.785398        0.27E-02
   0   2    0.788102        0.785398        0.27E-02
   6   8    0.951434E-03    0.958738E-03    0.73E-05
   0   4    0.397451        0.392699        0.48E-02
   0   4    0.397451        0.392699        0.48E-02
   0   0     3.14159         3.14159        0.44E-15
 
DISK01_INTEGRALS_TEST
  Normal end of execution.
 
 8 September 2021   6:53:52.254 PM