From 2e45309d06e38ce043e549f1c0729cbcbe265eee Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Tue, 16 Jul 2013 12:35:34 -0400
Subject: [PATCH] Doc fixes
---
doc/reference.rst | 2 +-
loopy/kernel/array.py | 15 ++++++++-------
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/doc/reference.rst b/doc/reference.rst
index 9485c3b03..80b9f6659 100644
--- a/doc/reference.rst
+++ b/doc/reference.rst
@@ -183,7 +183,7 @@ These are usually key-value pairs. The following attributes are recognized:
.. note::
- Loopy will automatically add a depdencies of reading instructions
+ Loopy will automatically add depdencies of reading instructions
on writing instructions *if and only if* there is exactly one writing
instruction for the written variable (temporary or argument).
diff --git a/loopy/kernel/array.py b/loopy/kernel/array.py
index 7530c82e7..57e82ff02 100644
--- a/loopy/kernel/array.py
+++ b/loopy/kernel/array.py
@@ -386,15 +386,16 @@ class ArrayBase(Record):
each with identical properties, are created
for each name.
:arg dtype: the :class:`numpy.dtype` of the array.
- If this is *None*, :mod:`loopy` will try to continue
- without knowing the type of this array.
+ If this is *None*, :mod:`loopy` will try to continue without
+ knowing the type of this array, where the idea is that precise
+ knowledge of the type will become available at invocation time.
+ :class:`loopy.CompiledKernel` (and thereby
+ :meth:`loopy.LoopKernel.__call__`) automatically add this type
+ information based on invocation arguments.
- Note that some operations, such as :func:`loopy.add_padding`
- will not work without the *dtype*.
+ Note that some transformations, such as :func:`loopy.add_padding`
+ cannot be performed without knowledge of the exact *dtype*.
- :class:`loopy.CompiledKernel` will automatically compile a kernel
- with the right dtype when called with a concrete array on a kernel
- with argument whose *dtype* is *None*.
:arg shape: May be one of the following:
* *None*. In this case, no shape is intended to be specified,
--
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