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/inkscape/src/2geom/
H A Dsbasis-geometric.cpp214 /** Return a Piecewise<D2<SBasis> > which points in the same direction as V_in, but has unit_length.
215 \param V_in the original path.
225 Geom::unitVector(D2<SBasis> const &V_in, double tol, unsigned order){ argument
227 // -This approach is numerically bad. Find a stable way to rescale V_in to have non vanishing ends.
229 D2<SBasis> V = RescaleForNonVanishingEnds(V_in);
276 double rel_tol = std::max(1.,std::max(V_in[0].tailError(0),V_in[1].tailError(0)))*tol;
294 /** Return a Piecewise<D2<SBasis> > which points in the same direction as V_in, but has unit_length.
295 \param V_in the original path.

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