From b4143056187e079c97df6956e86d900a299b4831 Mon Sep 17 00:00:00 2001
From: Mark Wiebe <mwiebe@enthought.com>
Date: Thu, 7 Jul 2011 15:16:37 -0500
Subject: ENH: nditer: Add the per-operand masked iteration flags

---
 doc/neps/missing-data.rst | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'doc/neps')

diff --git a/doc/neps/missing-data.rst b/doc/neps/missing-data.rst
index 478d019a5..de00cbb74 100644
--- a/doc/neps/missing-data.rst
+++ b/doc/neps/missing-data.rst
@@ -738,6 +738,10 @@ NPY_ITER_WRITEMASKED
     to know the mask ahead of time, and copying everything into
     the buffer will never destroy data.
 
+    The code using the iterator should only write to values which
+    are not masked by the mask specified, otherwise the result will
+    be different depending on whether buffering is enabled or not.
+
 NPY_ITER_ARRAYMASK
     Indicates that this array is a boolean mask to use when copying
     any WRITEMASKED argument from a buffer back to the array. There
-- 
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