From 58168322a9969194c8eb6a1fc22ba18c0842e1b2 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Thu, 24 May 2018 16:31:28 +0200
Subject: [PATCH] Print better error message for Array.get() on array without
queue
---
pyopencl/array.py | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/pyopencl/array.py b/pyopencl/array.py
index 4d5334be..2d032079 100644
--- a/pyopencl/array.py
+++ b/pyopencl/array.py
@@ -677,8 +677,15 @@ class Array(object):
assert self.flags.forc, "Array in get() must be contiguous"
+ queue = queue or self.queue
+ if queue is None:
+ raise ValueError("Cannot copy array to host. "
+ "Array has no queue. Use "
+ "'new_array = array.with_queue(queue)' "
+ "to associate one.")
+
if self.size:
- cl.enqueue_copy(queue or self.queue, ary, self.base_data,
+ cl.enqueue_copy(queue, ary, self.base_data,
device_offset=self.offset,
is_blocking=not async_)
--
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