From 764145ca3898ff5dc2ac24d1b55472edcee92508 Mon Sep 17 00:00:00 2001
From: Hao Gao <gaohao95@gmail.com>
Date: Thu, 23 Nov 2017 11:07:15 -0600
Subject: [PATCH] Make BuiltList immutable and add copyright notice

---
 pyopencl/algorithm.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pyopencl/algorithm.py b/pyopencl/algorithm.py
index dc3be4be..152fa3a5 100644
--- a/pyopencl/algorithm.py
+++ b/pyopencl/algorithm.py
@@ -5,7 +5,8 @@ from __future__ import absolute_import
 from six.moves import range
 from six.moves import zip
 
-__copyright__ = """Copyright 2011-2012 Andreas Kloeckner"""
+__copyright__ = """Copyright 2011-2012 Andreas Kloeckner \
+                   Copyright 2017 Hao Gao"""
 
 __license__ = """
 Permission is hereby granted, free of charge, to any person
@@ -1087,7 +1088,12 @@ class ListOfListsBuilder:
 
             # The scan will turn the "counts" array into the "starts" array
             # in-place.
-            result[name] = BuiltList(starts=counts)
+            if self.eliminate_empty_output_lists:
+                result[name] = BuiltList(count=None, starts=counts, lists=None,
+                                         num_nonempty_lists=None,
+                                         nonempty_indices=None)
+            else:
+                result[name] = BuiltList(count=None, starts=counts, lists=None)
             count_list_args.append(counts.data)
 
         # }}}
-- 
GitLab