variable search optimization

.gitignore

@@ -3,4 +3,4 @@
 __pycache__/
 .pytest_cache/
 *.egg-info/
-
+*.txt

src/tea3/pretty_print.py

@@ -4,6 +4,9 @@ def pretty_print(poly):
     x_terms = []
     mixed_terms = []
 
+    if isinstance(poly, int):
+        return str(poly)
+
     has_const = bool(poly.constant_coefficient())
 
     for monom in poly:

src/tea3/variable_search.py

@@ -26,12 +26,14 @@ def apply_variable_change(model, coeffs):
     return new_R
 
 def run_exhaustive(steps: int, target_reg: int = 0):
-    for idx, coeffs in enumerate(iproduct([0, 1], repeat=4)):
     model = Tea3Model()
     for _ in range(steps):
         model.step()
 
-        new_R = apply_variable_change(model, coeffs)
+    snapshot = model
+
+    for idx, coeffs in enumerate(iproduct([0, 1], repeat=4)):
+        new_R = apply_variable_change(snapshot, coeffs)
 
         label = "".join(map(str, coeffs))
         print(f"\n[{idx:02d}] (a1,a2,a3,a4) = {label}")