18 October 2023 12:12:11.080 PM lagrange_interp_1d_test(): FORTRAN77 version Test lagrange_interp_1d(). The R8LIB library is needed. These tests need the TEST_INTERP_1D library. TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -1.00000 2: 0.333333 -1.00000 3: 0.666667 2.00000 4: 1.00000 1.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -1.00000 2: 0.142857 -1.00000 3: 0.285714 -1.00000 4: 0.428571 2.00000 5: 0.571429 2.00000 6: 0.714286 2.00000 7: 0.857143 1.00000 8: 1.00000 1.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 1 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 1.00000 2: 0.333333 0.00000 3: 0.666667 2.00000 4: 1.00000 4.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 1.00000 2: 0.142857 0.571429 3: 0.285714 0.142857 4: 0.428571 0.571429 5: 0.571429 1.42857 6: 0.714286 2.28571 7: 0.857143 3.14286 8: 1.00000 4.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 2 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -0.00000 2: 0.333333 0.119067 3: 0.666667 1.64170 4: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -0.00000 2: 0.142857 0.245377 3: 0.285714 0.279339 4: 0.428571 0.276823E-01 5: 0.571429 0.945157 6: 0.714286 1.68054 7: 0.857143 -0.138391 8: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 3 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -1.50423 2: 0.333333 -1.03038 3: 0.666667 1.48529 4: 1.00000 1.53082 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -1.50423 2: 0.142857 -1.46352 3: 0.285714 -1.29779 4: 0.428571 1.13417 5: 0.571429 1.44420 6: 0.714286 1.49725 7: 0.857143 1.51899 8: 1.00000 1.53082 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 4 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 16.0000 2: 0.333333 -10.9610 3: 0.666667 -1.70409 4: 1.00000 13.3791 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 16.0000 2: 0.142857 -6.20529 3: 0.285714 -4.03377 4: 0.428571 -1.54321 5: 0.571429 7.00912 6: 0.714286 0.545036 7: 0.857143 -12.9168 8: 1.00000 13.3791 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 5 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 0.367879 2: 0.333333 0.894839 3: 0.666667 0.621765E-01 4: 1.00000 0.123410E-03 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 0.367879 2: 0.142857 0.832208 3: 0.285714 0.979799 4: 0.428571 0.600373 5: 0.571429 0.191463 6: 0.714286 0.317780E-01 7: 0.857143 0.274504E-02 8: 1.00000 0.123410E-03 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 6 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 1.00000 2: 0.333333 3.79367 3: 0.666667 0.00000 4: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 1.00000 2: 0.142857 1.77079 3: 0.285714 3.13571 4: 0.428571 5.55271 5: 0.571429 0.00000 6: 0.714286 0.00000 7: 0.857143 0.00000 8: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 7 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 4 Data array: 1: 0.00000 0.384615E-01 2: 0.333333 0.264706 3: 0.666667 0.264706 4: 1.00000 0.384615E-01 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 8 Data array: 1: 0.00000 0.384615E-01 2: 0.142857 0.727003E-01 3: 0.285714 0.178832 4: 0.428571 0.662162 5: 0.571429 0.662162 6: 0.714286 0.178832 7: 0.857143 0.727003E-01 8: 1.00000 0.384615E-01 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST02: Interpolate data from TEST_INTERP_1D problem # 8 Use even spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -1.00000 2: 0.250000 -1.00000 3: 0.750000 2.00000 4: 1.00000 1.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -1.00000 2: 0.495156E-01 -1.00000 3: 0.188255 -1.00000 4: 0.388740 2.00000 5: 0.611260 2.00000 6: 0.811745 1.00000 7: 0.950484 1.00000 8: 1.00000 1.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 1 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 1.00000 2: 0.250000 0.250000 3: 0.750000 2.50000 4: 1.00000 4.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 1.00000 2: 0.495156E-01 0.851453 3: 0.188255 0.435235 4: 0.388740 0.332437 5: 0.611260 1.66756 6: 0.811745 2.87047 7: 0.950484 3.70291 8: 1.00000 4.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 2 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -0.00000 2: 0.250000 0.379687 3: 0.750000 1.49297 4: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -0.00000 2: 0.495156E-01 -0.233633 3: 0.188255 0.400150 4: 0.388740 0.401283E-02 5: 0.611260 1.29446 6: 0.811745 0.705402 7: 0.950484 -1.21883 8: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 3 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 -1.50423 2: 0.250000 -1.37340 3: 0.750000 1.50423 4: 1.00000 1.53082 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 -1.50423 2: 0.495156E-01 -1.49414 3: 0.188255 -1.43772 4: 0.388740 0.502522 5: 0.611260 1.46537 6: 0.811745 1.51362 7: 0.950484 1.52738 8: 1.00000 1.53082 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 4 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 16.0000 2: 0.250000 -10.1153 3: 0.750000 -7.76263 4: 1.00000 13.3791 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 16.0000 2: 0.495156E-01 -3.29024 3: 0.188255 9.45586 4: 0.388740 6.34917 5: 0.611260 14.5226 6: 0.811745 4.39835 7: 0.950484 -8.65807 8: 1.00000 13.3791 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 5 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 0.367879 2: 0.250000 1.00000 3: 0.750000 0.183156E-01 4: 1.00000 0.123410E-03 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 0.367879 2: 0.495156E-01 0.525658 3: 0.188255 0.940824 4: 0.388740 0.734931 5: 0.611260 0.123917 6: 0.811745 0.641628E-02 7: 0.950484 0.389419E-03 8: 1.00000 0.123410E-03 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 6 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 1.00000 2: 0.250000 2.71828 3: 0.750000 0.00000 4: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 1.00000 2: 0.495156E-01 1.21904 3: 0.188255 2.12340 4: 0.388740 4.73489 5: 0.611260 0.00000 6: 0.811745 0.00000 7: 0.950484 0.00000 8: 1.00000 0.00000 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 7 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 4 Data array: 1: 0.00000 0.384615E-01 2: 0.250000 0.137931 3: 0.750000 0.137931 4: 1.00000 0.384615E-01 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 8 Data array: 1: 0.00000 0.384615E-01 2: 0.495156E-01 0.469624E-01 3: 0.188255 0.932967E-01 4: 0.388740 0.446850 5: 0.611260 0.446850 6: 0.811745 0.932967E-01 7: 0.950484 0.469624E-01 8: 1.00000 0.384615E-01 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = Infinity Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity TEST03: Interpolate data from TEST_INTERP_1D problem # 8 Use Chebyshev spacing for data points. Number of data points = 256 L2 interpolation error averaged per interpolant node = 0.00000 Normalized length of piecewise linear interpolant = NaN Normalized length of polynomial interpolant = Infinity lagrange_interp_1d_test(): Normal end of execution. 18 October 2023 12:12:14.921 PM