From 18c2a959e5ef86a576cc13470ac845174b57a39c Mon Sep 17 00:00:00 2001
From: sasha <sasha@localhost>
Date: Fri, 7 Apr 2006 04:08:44 +0000
Subject: fixed mask calculation in cum* methods

---
 numpy/core/ma.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'numpy/core/ma.py')

diff --git a/numpy/core/ma.py b/numpy/core/ma.py
index 772feaa23..74fa08ac3 100644
--- a/numpy/core/ma.py
+++ b/numpy/core/ma.py
@@ -2155,14 +2155,14 @@ array.copy = _m(not_implemented)
 def _cumprod(self, axis=0, dtype=None):
     m = self.mask
     if m is not nomask:
-        m = umath.logical_and.accumulate(self.mask, axis)
+        m = umath.logical_or.accumulate(self.mask, axis)
     return MaskedArray(data = self.filled(1).cumprod(axis, dtype), mask=m)
 array.cumprod = _m(_cumprod)
 
 def _cumsum(self, axis=0, dtype=None):
     m = self.mask
     if m is not nomask:
-        m = umath.logical_and.accumulate(self.mask, axis)
+        m = umath.logical_or.accumulate(self.mask, axis)
     return MaskedArray(data=self.filled(0).cumsum(axis, dtype), mask=m)
 array.cumsum = _m(_cumsum)
 
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