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/inkscape/src/libcola/
H A Dconjugate_gradient.cpp84 double r_r = inner(r,r); local
87 while(k < max_iterations && r_r > tol) {
89 double r_r_new = r_r;
94 p = r + (r_r_new/r_r)*p;
100 r_r = r_r_new;
103 //std::max(-r.min(), r.max()), sqrt(r_r));

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