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/inkscape/src/2geom/
H A Dsbasis-2d.cpp152 SBasis2d f_v = partial_derivative(f , 1); local
154 SBasis2d f_uv = partial_derivative(f_v, 0);
155 SBasis2d f_vv = partial_derivative(f_v, 1);
157 Geom::Point dfA(f_u.apply(A[X],A[Y]),f_v.apply(A[X],A[Y]));
158 Geom::Point dfB(f_u.apply(B[X],B[Y]),f_v.apply(B[X],B[Y]));

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