standardising json floats in pre-commit

.github/normalize_floats_json.py

@@ -0,0 +1,42 @@
+import json
+import sys
+from pathlib import Path
+
+SIG_DIGITS = 12
+
+
+def normalize(obj):
+    if isinstance(obj, float):
+        # Use 8 significant digits (auto scientific notation if needed)
+        return float(format(obj, f".{SIG_DIGITS}g"))
+
+    elif isinstance(obj, dict):
+        return {k: normalize(v) for k, v in obj.items()}
+
+    elif isinstance(obj, list):
+        return [normalize(v) for v in obj]
+
+    return obj
+
+
+def process_file(path):
+    path = Path(path)
+
+    try:
+        with path.open("r") as f:
+            original = json.load(f)
+    except Exception:
+        return  # skip invalid JSON
+
+    normalized = normalize(original)
+
+    # Only write if something actually changed
+    if normalized != original:
+        with path.open("w") as f:
+            json.dump(normalized, f, indent=2, sort_keys=False)
+            f.write("\n")
+
+
+if __name__ == "__main__":
+    for file in sys.argv[1:]:
+        process_file(file)

.pre-commit-config.yaml

@@ -12,6 +12,12 @@ repos:
         args: ["--schemafile", ".github/theory_scheme.json"]
   - repo: local
     hooks:
+      - id: normalize-json-floats
+        name: Normalize JSON floats (12 significant digits)
+        entry: python .github/normalize_floats_json.py
+        language: python
+        types: [json]
+        files: ^theory/.*\.json$
       - id: format-json
         name: Format JSON Files
         entry: python .github/format_json.py