Tue Oct 19 11:26:21 2021

cosine_transform_test()
  Python version: 3.6.9
  Test cosine_transform().

COSINE_TRANSFORM_DATA_TEST:
  Python version: 3.6.9
  COSINE_TRANSFORM_DATA does a cosine transform of data
  defined by a vector.

  Apply the transform, then its inverse.
  Let R be a random N vector.
  Let S be the transform of D.
  Let T be the transform of E.
  Then R and T will be equal.

     I      R(I)        S(I)        T(I)

     0    0.924898    2.927705    0.924898
     1    0.134742   -0.405531    0.134742
     2    0.389565    0.041433    0.389565
     3    0.604108    0.378236    0.604108
     4    0.475247    0.072810    0.475247
     5    0.772488    0.375352    0.772488
     6    0.750649    0.227319    0.750649
     7    0.985662    0.306876    0.985662
     8    0.876842    0.146508    0.876842
     9    0.632345   -0.090268    0.632345

COSINE_TRANSFORM_DATA_TEST
  Normal end of execution.

cosine_transform_test():
  Normal end of execution.
Tue Oct 19 11:26:21 2021