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/inkscape/src/2geom/
H A Dsbasis-to-bezier.cpp188 double xprime[2], yprime[2]; local
208 yprime[i] = sb[Y][0][1] - sb[Y][0][0];
215 yprime[0] += sb[Y][1][0];
216 yprime[1] -= sb[Y][1][1];
243 if ((std::abs(xprime[0]) < EPSILON) && (std::abs(yprime[0]) < EPSILON)
244 && ((std::abs(xprime[1]) > EPSILON) || (std::abs(yprime[1]) > EPSILON))) { // degenerate handle at 0 : use distance of closest approach
245 numer = midx*xprime[1] + midy*yprime[1];
246 denom = 3.0*(xprime[1]*xprime[1] + yprime[1]*yprime[1]);
250 dely[1] = -yprime[
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