./graphics/tex-splines, MetaPost macros for drawing cubic spline interpolants

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Branch: pkgsrc-2021Q2, Version: 0.2, Package name: tex-splines-0.2, Maintainer: pkgsrc-users

This is a small package of macros for creating cubic spline
interpolants in MetaPost or Metafont. Given a list of points
the macros can produce a closed or a relaxed spline joining
them. Given a list of function values y_j at x_j, the result
would define the graph of a cubic spline interpolating function
y=f(x), which is either periodic or relaxed.

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