| 1 | ;; Interpolation types |
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| 2 | ;; Liam Healy, Sun Nov 4 2007 - 17:41 |
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| 3 | ;; Time-stamp: <2008-02-17 17:47:53EST types.lisp> |
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| 4 | ;; $Id$ |
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| 5 | |
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| 6 | (in-package :gsl) |
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| 7 | |
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| 8 | (defmpar *linear-interpolation* "gsl_interp_linear" |
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| 9 | ;; FDL |
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| 10 | "Linear interpolation. This interpolation method does not require any |
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| 11 | additional memory.") |
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| 12 | |
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| 13 | (defmpar *polynomial-interpolation* "gsl_interp_polynomial" |
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| 14 | ;; FDL |
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| 15 | "Polynomial interpolation. This method should only be used for |
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| 16 | interpolating small numbers of points because polynomial interpolation |
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| 17 | introduces large oscillations, even for well-behaved datasets. The |
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| 18 | number of terms in the interpolating polynomial is equal to the number |
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| 19 | of points.") |
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| 20 | |
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| 21 | (defmpar *cubic-spline-interpolation* "gsl_interp_cspline" |
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| 22 | ;; FDL |
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| 23 | "Cubic spline with natural boundary conditions. The resulting curve is |
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| 24 | piecewise cubic on each interval, with matching first and second |
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| 25 | derivatives at the supplied data-points. The second derivative is |
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| 26 | chosen to be zero at the first point and last point.") |
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| 27 | |
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| 28 | (defmpar *periodic-cubic-spline-interpolation* "gsl_interp_cspline_periodic" |
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| 29 | ;; FDL |
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| 30 | "Cubic spline with periodic boundary conditions. The resulting curve |
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| 31 | is piecewise cubic on each interval, with matching first and second |
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| 32 | derivatives at the supplied data-points. The derivatives at the first |
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| 33 | and last points are also matched. Note that the last point in the |
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| 34 | data must have the same y-value as the first point, otherwise the |
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| 35 | resulting periodic interpolation will have a discontinuity at the |
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| 36 | boundary.") |
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| 37 | |
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| 38 | (defmpar *akima-interpolation* "gsl_interp_akima" |
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| 39 | ;; FDL |
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| 40 | "Non-rounded Akima spline with natural boundary conditions. This method |
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| 41 | uses the non-rounded corner algorithm of Wodicka.") |
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| 42 | |
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| 43 | (defmpar *periodic-akima-interpolation* "gsl_interp_akima_periodic" |
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| 44 | ;; FDL |
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| 45 | "Non-rounded Akima spline with periodic boundary conditions. This method |
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| 46 | uses the non-rounded corner algorithm of Wodicka.") |
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| 47 | |
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| 48 | (defmfun interpolation-name (interpolation) |
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| 49 | "gsl_interp_name" |
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| 50 | ((interpolation :pointer)) |
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| 51 | :c-return :string |
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| 52 | :documentation ; FDL |
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| 53 | "The name of the interpolation type.") |
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| 54 | |
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| 55 | (defmfun interpolation-minimum-size (interpolation) |
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| 56 | "gsl_interp_min_size" |
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| 57 | ((interpolation :pointer)) |
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| 58 | :c-return :uint |
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| 59 | :documentation ; FDL |
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| 60 | "The minimum number of points required by the |
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| 61 | interpolation. For example, Akima spline interpolation |
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| 62 | requires a minimum of 5 points.") |
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| 63 | |
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| 64 | (defmfun spline-name (interpolation) |
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| 65 | "gsl_spline_name" |
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| 66 | ((interpolation :pointer)) |
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| 67 | :c-return :string |
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| 68 | :documentation ; FDL |
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| 69 | "The name of the interpolation type.") |
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| 70 | |
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| 71 | (defmfun spline-minimum-size (interpolation) |
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| 72 | "gsl_spline_min_size" |
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| 73 | ((interpolation :pointer)) |
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| 74 | :c-return :uint |
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| 75 | :documentation ; FDL |
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| 76 | "The minimum number of points required by the |
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| 77 | interpolation. For example, Akima spline interpolation |
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| 78 | requires a minimum of 5 points.") |
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