"Source: Text/Geometry/ModAbVar.text";
"Line: 7047";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 7047
// Example: H148E100 ()
print "Example: H148E100";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(37);
A, B := Explode(Decomposition(J));
A;
B;
A2 := Kernel(nIsogeny(A,2));
B2 := Kernel(nIsogeny(B,2));
x := A2.1;
y := B2.2;
x eq y;
assert not $1;
x in [* x, y *];
assert $1;
IsZero(x);
assert not $1;
IsZero(0*x);
assert $1;
IsExact(1.0000000000000000000001*x);
assert not $1;
IsExact((2/3)*x);
assert $1;
IsZero(0.0001*x);
assert not $1;
IsZero(0.00001*x);
assert $1;
IsZero(0.000000000001*x);
assert $1;
A`point_precision;
assert $1 eq 10;
SetEchoInput(ei);
