Lines Matching defs:deriv
51 Piecewise<D2<SBasis> > deriv = derivative(pwd2_in);
54 for (unsigned i = 1 ; i < deriv.size() ; ++i) {
55 if ( ! are_colinear(deriv[i-1].at1(), deriv[i].at0()) ) {
57 cusps.push_back(deriv.cuts[i]);
90 Piecewise<D2<SBasis> > deriv = derivative(pwd2_in);
91 std::vector<double> cusps; // = roots(deriv);
96 std::vector<double> rts = roots(dot(deriv, rot90(extrude_vector.getVector())));
110 // split input path in pieces between points where deriv == vector
111 Piecewise<D2<SBasis> > deriv = derivative(pwd2_in);
112 std::vector<double> rts = roots(dot(deriv, rot90(extrude_vector.getVector())));
120 if ( are_colinear(deriv.firstValue(), deriv.lastValue()) ) {