26 February 2022 02:55:16 PM

QWV_TEST:
  C version
  Test the QWV library.

TEST01:
  Use the Vandermonde procedure to compute the
  quadrature weights for a Newton-Cotes rule.
  Order N = 5
  Interval = [0,1]

  Abscissas:

         0:              0
         1:           0.25
         2:            0.5
         3:           0.75
         4:              1

  Matrix:

  Col:          0             1             2             3             4     
  Row

    0:               1               1               1               1               1
    1:               0            0.25             0.5            0.75               1
    2:               0          0.0625            0.25          0.5625               1
    3:               0        0.015625           0.125        0.421875               1
    4:               0      0.00390625          0.0625        0.316406               1

  Right hand side:

         0:              1
         1:            0.5
         2:       0.333333
         3:           0.25
         4:            0.2

  Weights:

         0:      0.0777778
         1:       0.355556
         2:       0.133333
         3:       0.355556
         4:      0.0777778

TEST02
  Use the Vandermonde procedure to compute the
  quadrature weights for a Clenshaw-Curtis rule.
  Order N = 5
  Interval is [-1,1]

  Abscissas:

         0:             -1
         1:      -0.707107
         2:    5.55112e-17
         3:       0.707107
         4:              1

  Matrix:

  Col:          0             1             2             3             4     
  Row

    0:               1               1               1               1               1
    1:              -1       -0.707107     5.55112e-17        0.707107               1
    2:               1             0.5     3.08149e-33             0.5               1
    3:              -1       -0.353553     1.71057e-49        0.353553               1
    4:               1            0.25     9.49557e-66            0.25               1

  Right hand side:

         0:              2
         1:              0
         2:       0.666667
         3:              0
         4:            0.4

  Weights:

         0:      0.0666667
         1:       0.533333
         2:            0.8
         3:       0.533333
         4:      0.0666667

QWV_TEST:
  Normal end of execution.

26 February 2022 02:55:16 PM