0 - 1 Remapping Functions: Arc1

/* remapping functions */

for(i=[-0:1/160:1])translate([i,0])square([1/160,  (arc1(  (i)))]);
    function arc1 (x,n=0) = let(a= n>0? arc1(x,(n-1)):x) clamp(sqrt(1-(1-a)*(1-a)));
    function clamp(a, b = 0, c = 1) = min(max(a, b), c);