"Source: Text/Geometry/RieSrf.text";
"Line: 914";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/RieSrf.text, line: 914
// Example: H127E11 ()
print "Example: H127E11";
ei := GetEchoInput();
SetEchoInput(true);
Qxy<x,y> := PolynomialRing(Rationals(),2);
f := -x^7 + 2*x^3*y + y^3;
X := RiemannSurface(f);
X;
b, pt := IsPoint(X, < [-2.000000000, -6.085518827], 2 >);
b;
pt;
SetEchoInput(ei);
