added a verify command to our makefile. so for future variants we can just use...

verify.py

@@ -0,0 +1,35 @@
+import sys
+import csv
+import math
+
+if len(sys.argv) < 3:
+    sys.exit("Use it like: python verify.py reference.csv generated.csv [tol]")
+# We can use this later in case that we wanna compare something with a tolerance
+tol = float(sys.argv[3]) if len(sys.argv) > 3 else 0.0
+
+with open(sys.argv[1], newline="") as f:
+    ref = list(csv.reader(f))
+with open(sys.argv[2], newline="") as f:
+    gen = list(csv.reader(f))
+
+if len(ref) != len(gen):
+    sys.exit(f"row count differs: ref={len(ref)} got={len(gen)}")
+
+header = ref[0]
+for i in range(len(ref)):
+    if len(ref[i]) != len(gen[i]):
+        sys.exit(f"line {i+1}: column count differs")
+    for j in range(len(ref[i])):
+        a = ref[i][j].strip()
+        b = gen[i][j].strip()
+        if a == b:
+            continue
+        # in case that we wanna use tolerance
+        if tol > 0:
+            try:
+                if math.isclose(float(a), float(b), abs_tol=tol):
+                    continue
+            except ValueError:
+                pass
+        col = header[j] if j < len(header) else f"col{j}"
+        sys.exit(f"mismatch at line {i+1}, col {j} ('{col}'): ref='{a}' got='{b}'")