Author: Brian Kearns <bdkea...@gmail.com>
Branch:
Changeset: r69024:e7e998e6b19f
Date: 2014-01-30 17:35 -0500
http://bitbucket.org/pypy/pypy/changeset/e7e998e6b19f/
Log: provide byteswap for scalars
diff --git a/pypy/module/micronumpy/interp_boxes.py
b/pypy/module/micronumpy/interp_boxes.py
--- a/pypy/module/micronumpy/interp_boxes.py
+++ b/pypy/module/micronumpy/interp_boxes.py
@@ -327,6 +327,9 @@
def descr_buffer(self, space):
return self.descr_ravel(space).descr_get_data(space)
+ def descr_byteswap(self, space):
+ return self.get_dtype(space).itemtype.byteswap(self)
+
w_flags = None
def descr_get_flags(self, space):
if self.w_flags is None:
@@ -592,6 +595,7 @@
view = interp2app(W_GenericBox.descr_view),
squeeze = interp2app(W_GenericBox.descr_self),
copy = interp2app(W_GenericBox.descr_copy),
+ byteswap = interp2app(W_GenericBox.descr_byteswap),
dtype = GetSetProperty(W_GenericBox.descr_get_dtype),
size = GetSetProperty(W_GenericBox.descr_get_size),
diff --git a/pypy/module/micronumpy/test/test_scalar.py
b/pypy/module/micronumpy/test/test_scalar.py
--- a/pypy/module/micronumpy/test/test_scalar.py
+++ b/pypy/module/micronumpy/test/test_scalar.py
@@ -111,6 +111,13 @@
b = buffer(a)
assert str(b) == a
+ def test_byteswap(self):
+ import numpy as np
+ assert np.int64(123).byteswap() == 8863084066665136128
+ a = np.complex64(1+2j).byteswap()
+ assert repr(a.real).startswith('4.60060')
+ assert repr(a.imag).startswith('8.96831')
+
def test_squeeze(self):
import numpy as np
assert np.True_.squeeze() is np.True_
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