... weights.First value of each arraynot used.0 .67 9409 568 2,0. 865 063 366 6,0.9739 065 285};static float w[]={0.0,0.2955242247,0. 269 266 7193,0.2190 863 625,0.1494513491,0. 066 6713443};xm=0.5*(b+a);xr=0.5*(b-a);s=0; ... root.z=sqrt((double)(2*n+1))-1.85575*pow((double)(2*n+1),-0. 166 67);} else if (i == 2) { Initial guess for the second largest root.z -= 1.14*pow((double)n,0.4 26) /z;} else if (i == 3) { Initial guess for the third largest root.z=1. 86* z-0. 86* x[1];} ... [10]Kronrod, A.S. 1 964 ,Doklady Akademii Nauk SSSR, vol. 154, pp. 283–2 86 (in Russian). [11]Patterson, T.N.L. 1 968 ,Mathematics of Computation, vol. 22, pp. 847–8 56 and C1–C11; 1 969 ,op. cit.,...