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f=a*a,l=(8*a-f*(f+2)-5)/(2*f*(a-1)),v=(3*a-f*a-10)/(2*f*a),g=l*l,s=a*l,p=a+l,d=p*p,w=a+3*l,A=-2*p*(4*s*g+(1-4*f+3*f*f)*(1+v)+g*(14*f-6-u+(8*f-8-2*u)*v)+s*(12*f-8+(10*f-10-u)*v)),R=F(d*(f+g*u-1)+(1-f)*(f*(w*w+4*g)+g*(12*s+4*g)));a-=e=(i*(d+g-1)+2*R-t*(4*d+u))/(i*(2*l*v+2*p*(1+v))+A/R-8*p*(i*(-1+g+d)+2*R)*(1+v)/(u+4*d))}while(e>y&&--c>0);return[h(n)*(F(i*i+4)+i)*m/4,b*a]};var Ko=4*m+3*F(3),Jo=2*F(2*m*F(3)/Ko),Oo=on(Jo*F(3)/m,Jo,Ko/6);function Xo(){return(0,t.A)(Oo).scale(176.84)}function Yo(n,r){return[n*F(1-3*r*r/(m*m)),r]}function Zo(){return(0,t.A)(Yo).scale(152.63)}function $o(n,r){var e=a(r),t=a(n)*e,o=1-t,i=a(n=u(d(n)*e,-d(r))),c=d(n);return[c*(e=F(1-t*t))-i*o,-i*e-c*o]}function ni(){return(0,t.A)($o).rotate([0,-90,45]).scale(124.75).clipAngle(179.999)}function ri(n,r){var e=z(n,r);return[(e[0]+n/b)/2,(e[1]+r)/2]}function ei(){return(0,t.A)(ri).scale(158.837)}Yo.invert=function(n,r){return[n/F(1-3*r*r/(m*m)),r]},$o.invert=function(n,r){var e=(n*n+r*r)/-2,t=F(-e*(2+e)),o=r*e+n*t,i=n*e-r*t,a=F(i*i+o*o);return[u(t*o,a*(1+e)),a?-G(t*i/a):0]},ri.invert=function(n,r){var e=n,t=r,i=25;do{var u,c=a(t),f=d(t),l=d(2*t),v=f*f,g=c*c,s=d(e),p=a(e/2),h=d(e/2),w=h*h,A=1-g*p*p,m=A?C(c*p)*F(u=1/A):u=0,R=.5*(2*m*c*h+e/b)-n,M=.5*(m*f+t)-r,E=.5*u*(g*w+m*c*p*v)+.5/b,P=u*(s*l/4-m*f*h),k=.125*u*(l*h-m*f*g*s),S=.5*u*(v*p+m*w*c)+.5,x=P*k-S*E,G=(M*P-R*S)/x,N=(R*k-M*E)/x;e-=G,t-=N}while((o(G)>y||o(N)>y)&&--i>0);return[e,t]}}}]);