From b9ef24f7f3d3a3126984cb887b9303149cc9d044 Mon Sep 17 00:00:00 2001
From: Tim Warburton <timwar@caam.rice.edu>
Date: Mon, 5 Nov 2012 14:40:57 -0600
Subject: [PATCH] Improve an error message.
---
loopy/kernel.py | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/loopy/kernel.py b/loopy/kernel.py
index d9fd7c274..d135f8f6f 100644
--- a/loopy/kernel.py
+++ b/loopy/kernel.py
@@ -921,9 +921,11 @@ class LoopKernel(Record):
subst_name = lhs.function.name
arg_names = []
- for arg in lhs.parameters:
+ for i, arg in enumerate(lhs.parameters):
if not isinstance(arg, Variable):
- raise RuntimeError("Invalid substitution rule left-hand side")
+ raise RuntimeError("Invalid substitution rule "
+ "left-hand side: %s--arg number %d "
+ "is not a variable"% (lhs, i))
arg_names.append(arg.name)
else:
raise RuntimeError("Invalid substitution rule left-hand side")
--
GitLab