Issue #1406 has been fixed in tree meanwhile (probably thanks to
Mateusz) so lets just add a testcase for future.
Can be seen at:
https://code.plaes.org/git/sympy.git/commit/?id=b33806aa5e5e6cc14320dfe991f82cec2c70ad4b
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>From b33806aa5e5e6cc14320dfe991f82cec2c70ad4b Mon Sep 17 00:00:00 2001
From: Priit Laes <pl...@plaes.org>
Date: Thu, 14 May 2009 18:28:59 +0300
Subject: [PATCH 2/2] Added test for issue #1406.
Signed-off-by: Priit Laes <pl...@plaes.org>
---
sympy/solvers/tests/test_solvers.py | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/sympy/solvers/tests/test_solvers.py b/sympy/solvers/tests/test_solvers.py
index 72a7cc7..1f081d4 100644
--- a/sympy/solvers/tests/test_solvers.py
+++ b/sympy/solvers/tests/test_solvers.py
@@ -246,8 +246,9 @@ def test_tsolve_1():
assert solve(exp(x)+exp(-x)-y, x)== [-log(4) + log(2*y + 2*(-4 + y**2)**(Rational(1, 2))),
-log(4) + log(2*y - 2*(-4 + y**2)**(Rational(1, 2)))]
-
+ # issue #1406
+ assert solve(z**x - y, x) == [log(y)/log(z)]
def test_tsolve_2():
x, y, a, b = symbols('xyab')
- assert solve(y-a*x**b, x) == [y**(1/b)*(1/a)**(1/b)]
\ No newline at end of file
+ assert solve(y-a*x**b, x) == [y**(1/b)*(1/a)**(1/b)]
--
1.6.3
