[pypy-commit] pypy missing-ndarray-attributes: pass byteswap tests

[mattip]

Author: mattip <matti.picus at gmail.com>
Branch: missing-ndarray-attributes
Changeset: r60162:a626fbc58e73
Date: 2013-01-18 01:45 +0200
http://bitbucket.org/pypy/pypy/changeset/a626fbc58e73/

Log:	pass byteswap tests

diff --git a/pypy/module/micronumpy/types.py b/pypy/module/micronumpy/types.py
--- a/pypy/module/micronumpy/types.py
+++ b/pypy/module/micronumpy/types.py
@@ -966,6 +966,12 @@
         raw_storage_setitem(storage, i + offset,
                 rffi.cast(self._STORAGE_T, hbits))
 
+    def byteswap(self, w_v):
+        value = self.unbox(w_v)
+        hbits = float_pack(value,2)
+        swapped = byteswap(rffi.cast(self._STORAGE_T, hbits))
+        return self.box(float_unpack(r_ulonglong(swapped), 2))
+
 class NonNativeFloat16(Float16):
     _attrs_ = ()
     BoxType = interp_boxes.W_Float16Box
@@ -1047,6 +1053,10 @@
     def get_element_size(self):
         return 2 * rffi.sizeof(self._COMPONENTS_T)
 
+    def byteswap(self, w_v):
+        real, imag = self.unbox(w_v)
+        return self.box_complex(byteswap(real), byteswap(imag))
+
     @specialize.argtype(1)
     def box(self, value):
         return self.BoxType(