node_norm          56 data/sphere/2014paperALE_sphere/improve_sphere.cpp 		const double node_norm = sqrt(d1*d1 + d2*d2 + d3*d3);
node_norm          57 data/sphere/2014paperALE_sphere/improve_sphere.cpp 		d1 /= node_norm;
node_norm          58 data/sphere/2014paperALE_sphere/improve_sphere.cpp 		d2 /= node_norm;
node_norm          59 data/sphere/2014paperALE_sphere/improve_sphere.cpp 		d3 /= node_norm;