Ignore:
Timestamp:
Dec 13, 2008, 10:28:39 AM (13 years ago)
Author:
Jari Häkkinen
Message:

Addresses #466. Added more GSL functionality, added constructor tests.

File:
1 edited

Legend:

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  • trunk/yat/regression/GSLInterpolation.h

    r1644 r1648  
    5353
    5454  public:
     55    /**
     56       \brief Search index.
     57
     58       This function returns the index \f$ i \f$ of the array \a
     59       x_array such that \f$ x_array[i] <= x < x_array[i+1] \f$. The
     60       index is searched for in the range
     61       \f$ [index_lo, index_hi] \f$.
     62    */
     63    size_t bsearch(const double x_array[], double x, size_t index_lo,
     64                   size_t index_hi) const;
    5565
    5666    /**
     
    6070       \a x.
    6171    */
    62     double evaluate(const double x) const;
     72    double evaluate(double x);
     73
     74    /**
     75       \brief Calculate the derivative of the interpolated function at
     76       \a x.
     77
     78       \return The derivative.
     79    */
     80    double evaluate_derivative(double x);
     81
     82    /**
     83       \brief Calculate the 2nd derivative of the interpolated
     84       function at \a x.
     85
     86       \return The 2nd derivative.
     87    */
     88    double evaluate_derivative2(double x);
     89
     90    /**
     91       \brief Calculate the numerical integral of the interpolated
     92       function over the range \f$ [a,b] \f$.
     93
     94       \return The integral.
     95    */
     96    double evaluate_integral(double a, double b);
     97
     98    /**
     99       \brief This function returns the minimum number of points
     100       required by the interpolation type.
     101
     102       For example, Akima spline interpolation requires a minimum of 5
     103       points.
     104
     105       \return The minimum number of points required.
     106    */
     107    unsigned int min_size(void) const;
    63108
    64109  protected:
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