From 068dff3d7de2332ce04078dbd52fc928ac515726 Mon Sep 17 00:00:00 2001
From: vojtechsu
Date: Fri, 24 Nov 2023 10:49:05 +0100
Subject: Add ivs norm

---
 pyecsca/ec/formula_gen/metrics.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pyecsca/ec/formula_gen/metrics.py b/pyecsca/ec/formula_gen/metrics.py
index 5e5093d..45f51c2 100644
--- a/pyecsca/ec/formula_gen/metrics.py
+++ b/pyecsca/ec/formula_gen/metrics.py
@@ -39,6 +39,16 @@ def formula_similarity(one: Formula, other: Formula) -> Dict[str, float]:
     }
 
 
+def ivs_norm(one: Formula):
+    one_unroll = unroll_formula(one)
+    one_results = {}
+    for name, value in one_unroll:
+        if name in one.outputs:
+            one_results[name] = value
+    one_polys = set(map(itemgetter(1), one_unroll))
+    return one_polys
+
+
 def formula_similarity_abs(one: Formula, other: Formula) -> Dict[str, float]:
     if one.coordinate_model != other.coordinate_model:
         warnings.warn("Mismatched coordinate model.")
-- 
cgit v1.2.3-70-g09d2