[pypy-commit] pypy numpy-unify-methods: implement missing ufuncs for integers

[mattip]

Author: mattip <matti.picus at gmail.com>
Branch: numpy-unify-methods
Changeset: r61220:219bbd8abdcd
Date: 2013-02-13 23:28 +0200
http://bitbucket.org/pypy/pypy/changeset/219bbd8abdcd/

Log:	implement missing ufuncs for integers

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
@@ -7,6 +7,7 @@
 from pypy.objspace.std.floatobject import float2string
 from pypy.objspace.std.complexobject import str_format
 from rpython.rlib import rfloat, clibffi, rcomplex
+from rpython.rlib.rarithmetic import maxint
 from rpython.rlib.rawstorage import (alloc_raw_storage, raw_storage_setitem,
                                   raw_storage_getitem)
 from rpython.rlib.objectmodel import specialize
@@ -479,6 +480,17 @@
     def invert(self, v):
         return ~v
 
+    @simple_unary_op
+    def reciprocal(self, v):
+        if v == 0:
+            # XXX good place to warn
+            return -maxint
+        return 1 / v
+
+    @raw_unary_op
+    def signbit(self, v):
+        return v < 0
+
 class NonNativeInteger(NonNativePrimitive, Integer):
     _mixin_ = True