From 221e06e358754bddc1ed386ee51cba6d8ca36bd9 Mon Sep 17 00:00:00 2001
From: andrewwhitecdw <andrewwhitecdw@users.noreply.github.com>
Date: Mon, 17 Aug 2026 19:16:12 -0500
Subject: [PATCH] fix: scale divides by first value without zero guard

Signed-off-by: Andrew White <andrewwhitecdw@users.noreply.github.com>
Signed-off-by: andrewwhitecdw <andrewwhitecdw@users.noreply.github.com>
---
 bobber/lib/analysis/table.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bobber/lib/analysis/table.py b/bobber/lib/analysis/table.py
index ab379d1..487d4e9 100644
--- a/bobber/lib/analysis/table.py
+++ b/bobber/lib/analysis/table.py
@@ -82,6 +82,10 @@ def scale(values: list) -> float:
     float
         Returns a ``float`` of the scaling factor.
     """
+    if values[0] == 0:
+        raise ValueError(
+            "Cannot compute relative scale when the first value is zero"
+        )
     x = np.array(range(1, len(values) + 1))
     y = np.array(values)
     slope, _ = np.polyfit(x, y, 1)