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/inkscape/src/2geom/
H A Dsbasis-geometric.cpp250 double rr1 = (k<r_eqn2.size())? r_eqn2.at(k).at1() : 0; local
256 // a1*x(1)+b1*y(1)=r1 & 2*a1*a(1)+2*b1*b(1)=rr1
259 a1 = r1/dot(v1,V.at1())*v1[0]-rr1/2*v1[1];
260 b1 = r1/dot(v1,V.at1())*v1[1]+rr1/2*v1[0];

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