"Source: Text/Geometry/Toric.text";
"Line: 230";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/Toric.text, line: 230
// Example: H129E3 ()
print "Example: H129E3";
ei := GetEchoInput();
SetEchoInput(true);
X<x,y,u,v>:=AbsoluteRationalScroll(Rationals(),[2,0]);
X;
ray:=Cone(Rays(X)[3]);
form:=IntersectionForm(X,ray);
D:=Weil(Divisor(X,[0,0,1,0]));
phi:=WeilToClassLatticesMap(X);
form * phi(D);
assert $1 eq -2;
SetEchoInput(ei);
