From 8d75a13fdece95ddc1bba42cad3aea3ccb396e05 Mon Sep 17 00:00:00 2001 From: Dong-hee Na Date: Sun, 11 Sep 2022 05:44:10 +0900 Subject: gh-90751: memoryview now supports half-float (#96738) Co-authored-by: Antoine Pitrou --- Lib/test/test_memoryview.py | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'Lib/test/test_memoryview.py') diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py index 9d1e1f3063c..0eb2a367603 100644 --- a/Lib/test/test_memoryview.py +++ b/Lib/test/test_memoryview.py @@ -13,6 +13,7 @@ import array import io import copy import pickle +import struct from test.support import import_helper @@ -527,6 +528,14 @@ class OtherTest(unittest.TestCase): m[2:] = memoryview(p6).cast(format)[2:] self.assertEqual(d.value, 0.6) + def test_half_float(self): + half_data = struct.pack('eee', 0.0, -1.5, 1.5) + float_data = struct.pack('fff', 0.0, -1.5, 1.5) + half_view = memoryview(half_data).cast('e') + float_view = memoryview(float_data).cast('f') + self.assertEqual(half_view.nbytes * 2, float_view.nbytes) + self.assertListEqual(half_view.tolist(), float_view.tolist()) + def test_memoryview_hex(self): # Issue #9951: memoryview.hex() segfaults with non-contiguous buffers. x = b'0' * 200000 -- cgit v1.2.3