From bc97b5352548bdfb45764336d702925974b3b067 Mon Sep 17 00:00:00 2001
From: Matt Wala <wala1@illinois.edu>
Date: Wed, 1 Feb 2017 23:09:31 -0600
Subject: [PATCH] test_cse: Fix failure due to expression ordering difference
in SymEngine.
---
test/test_cse.py | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/test/test_cse.py b/test/test_cse.py
index a13ed6ab..c9f0264e 100644
--- a/test/test_cse.py
+++ b/test/test_cse.py
@@ -183,12 +183,13 @@ def test_multiple_expressions():
rsubsts, _ = cse(reversed(l))
assert substs == rsubsts
assert reduced == [x1, x1 + z, x0]
- l = [(x - z)*(y - z), x - z, y - z]
+ f = Function("f")
+ l = [f(x - z, y - z), x - z, y - z]
substs, reduced = cse(l)
rsubsts, _ = cse(reversed(l))
assert substs == [(x0, -z), (x1, x + x0), (x2, x0 + y)]
assert rsubsts == [(x0, -z), (x1, x0 + y), (x2, x + x0)]
- assert reduced == [x1*x2, x1, x2]
+ assert reduced == [f(x1,x2), x1, x2]
l = [w*y + w + x + y + z, w*x*y]
assert cse(l) == ([(x0, w*y)], [w + x + x0 + y + z, x*x0])
assert cse([x + y, x + y + z]) == ([(x0, x + y)], [x0, z + x0])
--
GitLab