| 1 | ;; Evaluation of interpolation functions. |
|---|
| 2 | ;; Liam Healy, Sun Nov 4 2007 - 18:40 |
|---|
| 3 | |
|---|
| 4 | (in-package :gsl) |
|---|
| 5 | |
|---|
| 6 | (defmfun evaluate-interpolation (interpolation xa ya x acceleration) |
|---|
| 7 | "gsl_interp_eval" |
|---|
| 8 | ((interpolation :pointer) (xa :pointer) (ya :pointer) (x :double) |
|---|
| 9 | (acceleration :pointer)) |
|---|
| 10 | :c-return :double |
|---|
| 11 | :documentation ; FDL |
|---|
| 12 | "Find the interpolated value of y for a given |
|---|
| 13 | point x, using the interpolation object interpolation, data arrays |
|---|
| 14 | xa and ya and the accelerator acceleration.") |
|---|
| 15 | |
|---|
| 16 | (defmfun derivative-evaluate-interpolation (interpolation xa ya x acceleration) |
|---|
| 17 | "gsl_interp_eval_deriv" |
|---|
| 18 | ((interpolation :pointer) (xa :pointer) (ya :pointer) (x :double) |
|---|
| 19 | (acceleration :pointer)) |
|---|
| 20 | :c-return :double |
|---|
| 21 | :documentation ; FDL |
|---|
| 22 | "Find the derivative of an interpolated function for a given point |
|---|
| 23 | x, using the interpolation object interpolation, data arrays |
|---|
| 24 | xa and ya and the accelerator acceleration.") |
|---|
| 25 | |
|---|
| 26 | (defmfun second-derivative-evaluate-interpolation (interpolation xa ya x acceleration) |
|---|
| 27 | "gsl_interp_eval_deriv2" |
|---|
| 28 | ((interpolation :pointer) (xa :pointer) (ya :pointer) (x :double) |
|---|
| 29 | (acceleration :pointer)) |
|---|
| 30 | :c-return :double |
|---|
| 31 | :documentation ; FDL |
|---|
| 32 | "Find the second derivative of an interpolated function for a given point |
|---|
| 33 | x, using the interpolation object interpolation, data arrays |
|---|
| 34 | xa and ya and the accelerator acceleration.") |
|---|
| 35 | |
|---|
| 36 | (defmfun integral-evaluate-interpolation (interpolation xa ya x low high acceleration) |
|---|
| 37 | "gsl_interp_eval_integ" |
|---|
| 38 | ((interpolation :pointer) (xa :pointer) (ya :pointer) (x :double) |
|---|
| 39 | (low :double) (high :double) (acceleration :pointer)) |
|---|
| 40 | :c-return :double |
|---|
| 41 | :documentation ; FDL |
|---|
| 42 | "Find the numerical integral of an interpolated function over the |
|---|
| 43 | range [low, high], using the interpolation object interpolation, |
|---|
| 44 | data arrays xa and ya and the accelerator 'acceleration.") |
|---|
| 45 | |
|---|
| 46 | ;;; Spline |
|---|
| 47 | (defmfun evaluate-spline (spline x acceleration) |
|---|
| 48 | "gsl_spline_eval" |
|---|
| 49 | ((spline :pointer) (x :double) (acceleration :pointer)) |
|---|
| 50 | :c-return :double |
|---|
| 51 | :documentation |
|---|
| 52 | "Find the interpolated value of y for a given |
|---|
| 53 | point x, using the spline object spline, data arrays |
|---|
| 54 | xa and ya and the accelerator 'acceleration.") |
|---|
| 55 | |
|---|
| 56 | (defmfun derivative-evaluate-spline (spline x acceleration) |
|---|
| 57 | "gsl_spline_eval_deriv" |
|---|
| 58 | ((spline :pointer) (x :double) (acceleration :pointer)) |
|---|
| 59 | :c-return :double |
|---|
| 60 | :documentation ; FDL |
|---|
| 61 | "Find the derivative of an interpolated function for a given point |
|---|
| 62 | x, using the spline object spline, data arrays |
|---|
| 63 | xa and ya and the accelerator acceleration.") |
|---|
| 64 | |
|---|
| 65 | (defmfun second-derivative-evaluate-spline (spline x acceleration) |
|---|
| 66 | "gsl_spline_eval_deriv2" |
|---|
| 67 | ((spline :pointer) (x :double) (acceleration :pointer)) |
|---|
| 68 | :c-return :double |
|---|
| 69 | :documentation ; FDL |
|---|
| 70 | "Find the second derivative of an interpolated function for a given point |
|---|
| 71 | x, using the spline object spline, data arrays |
|---|
| 72 | xa and ya and the accelerator acceleration.") |
|---|
| 73 | |
|---|
| 74 | (defmfun integral-evaluate-spline (spline x low high acceleration) |
|---|
| 75 | "gsl_spline_eval_integ" |
|---|
| 76 | ((spline :pointer) (x :double) (low :double) (high :double) |
|---|
| 77 | (acceleration :pointer)) |
|---|
| 78 | :c-return :double |
|---|
| 79 | :documentation ; FDL |
|---|
| 80 | "Find the numerical integral of an interpolated function over the |
|---|
| 81 | range [low, high], using the spline object spline, |
|---|
| 82 | data arrays xa and ya and the accelerator acceleration.") |
|---|
