The function sibson_c1_interpolation interpolates the function values and the gradients that are provided by functors following the method described in [Sib81].
#include <CGAL/interpolation_functions.h>
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This function generates the interpolated function
value at the point p using Sibson's $$Z^{1} interpolant
[Sib81]. If the functor function_gradient cannot supply the gradient of a point, the function returns a pair where the boolean is set to false. If the interpolation was successful, the pair contains the interpolated function value as first and true as second value. Precondition: norm $$ 0. function_value(p).second == true for all points p of the point/coordinate pairs in the range $$[.first, beyond$$.). |
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The same as above except that no square root operation is needed for FT. |