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/inkscape/src/2geom/
H A Dsbasis-2d.cpp110 SBasis2d dfdu = partial_derivative(f, 0); local
112 Geom::Point dfA(dfdu.apply(A[X],A[Y]),dfdv.apply(A[X],A[Y]));
113 Geom::Point dfB(dfdu.apply(B[X],B[Y]),dfdv.apply(B[X],B[Y]));

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