Fix polynomial comparison. Closes ticket #554.

2 files changed, 9 insertions, 2 deletions

diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py
index e5fb33a73..88187e35a 100644
--- a/numpy/core/tests/test_regression.py
+++ b/numpy/core/tests/test_regression.py
@@ -702,6 +702,13 @@ class test_regression(NumpyTestCase):
         from numpy.oldnumeric.random_array import randint
         randint(0,50,[2,3])
 
+    def check_poly_eq(self, level=rlevel):
+        """Ticket #554"""
+        x = N.poly1d([1,2,3])
+        y = N.poly1d([3,4])
+        assert x != y
+        assert x == x
+
 
 if __name__ == "__main__":
     NumpyTest().run()
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py
index edaa319cd..8231cbd87 100644
--- a/numpy/lib/polynomial.py
+++ b/numpy/lib/polynomial.py
@@ -606,10 +606,10 @@ class poly1d(object):
             return polydiv(other, self)
 
     def __eq__(self, other):
-        return (self.coeffs == other.coeffs).all()
+        return NX.alltrue(self.coeffs == other.coeffs)
 
     def __ne__(self, other):
-        return (self.coeffs != other.coeffs).any()
+        return NX.any(self.coeffs != other.coeffs)
 
     def __setattr__(self, key, val):
         raise ValueError, "Attributes cannot be changed this way."