Author: Armin Rigo <[email protected]>
Branch: int-float-list-strategy
Changeset: r78388:2e22e8a3d2d4
Date: 2015-07-01 22:15 +0200
http://bitbucket.org/pypy/pypy/changeset/2e22e8a3d2d4/
Log: Start writing the strategy
diff --git a/pypy/objspace/std/listobject.py b/pypy/objspace/std/listobject.py
--- a/pypy/objspace/std/listobject.py
+++ b/pypy/objspace/std/listobject.py
@@ -1716,6 +1716,41 @@
return i
raise ValueError
+class IntOrFloatListStrategy(ListStrategy):
+ import_from_mixin(AbstractUnwrappedStrategy)
+
+ _none_value = longlong2float.float2longlong(0.0)
+
+ def wrap(self, llval):
+ if longlong2float.is_int32_from_longlong_nan(llval):
+ intval = longlong2float.decode_int32_from_longlong_nan(llval)
+ return self.space.wrap(intval)
+ else:
+ floatval = longlong2float.longlong2float(llval)
+ return self.space.wrap(floatval)
+
+ def unwrap(self, w_int_or_float):
+ if type(w_int_or_float) is W_IntObject:
+ intval = self.space.int_w(w_int_or_float)
+ return longlong2float.encode_int32_into_longlong_nan(intval)
+ else:
+ floatval = self.space.float_w(w_int_or_float)
+ return longlong2float.float2longlong(floatval)
+
+ erase, unerase = rerased.new_erasing_pair("longlong")
+ erase = staticmethod(erase)
+ unerase = staticmethod(unerase)
+
+ def is_correct_type(self, w_obj):
+ if type(w_obj) is W_IntObject:
+ intval = self.space.int_w(w_obj)
+ return longlong2float.can_encode_int32(intval)
+ elif type(w_obj) is W_FloatObject:
+ floatval = self.space.float_w(w_obj)
+ return longlong2float.can_encode_float(floatval)
+ else:
+ return False
+
class BytesListStrategy(ListStrategy):
import_from_mixin(AbstractUnwrappedStrategy)
diff --git a/pypy/objspace/std/test/test_liststrategies.py
b/pypy/objspace/std/test/test_liststrategies.py
--- a/pypy/objspace/std/test/test_liststrategies.py
+++ b/pypy/objspace/std/test/test_liststrategies.py
@@ -3,7 +3,8 @@
from pypy.objspace.std.listobject import (
W_ListObject, EmptyListStrategy, ObjectListStrategy, IntegerListStrategy,
FloatListStrategy, BytesListStrategy, RangeListStrategy,
- SimpleRangeListStrategy, make_range_list, UnicodeListStrategy)
+ SimpleRangeListStrategy, make_range_list, UnicodeListStrategy,
+ IntOrFloatListStrategy)
from pypy.objspace.std import listobject
from pypy.objspace.std.test.test_listobject import TestW_ListObject
@@ -759,9 +760,23 @@
assert isinstance(w_l.strategy, IntOrFloatListStrategy)
def test_int_or_float(self):
+ from rpython.rlib.rfloat import INFINITY, NAN
space = self.space
+ w = space.wrap
w_l = W_ListObject(space, [space.wrap(1), space.wrap(2.3)])
- xxxxx
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(w(int(2**31-1)))
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(w(-5.1))
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(w(INFINITY))
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(w(NAN))
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(w(-NAN))
+ assert isinstance(w_l.strategy, IntOrFloatListStrategy)
+ w_l.append(space.newlist([]))
+ assert isinstance(w_l.strategy, ObjectListStrategy)
class TestW_ListStrategiesDisabled:
diff --git a/rpython/rlib/test/test_longlong2float.py
b/rpython/rlib/test/test_longlong2float.py
--- a/rpython/rlib/test/test_longlong2float.py
+++ b/rpython/rlib/test/test_longlong2float.py
@@ -1,7 +1,7 @@
from rpython.translator.c.test.test_genc import compile
from rpython.rlib.longlong2float import longlong2float, float2longlong
from rpython.rlib.longlong2float import uint2singlefloat, singlefloat2uint
-from rpython.rlib.rarithmetic import r_singlefloat
+from rpython.rlib.rarithmetic import r_singlefloat, r_longlong
from rpython.rtyper.test.test_llinterp import interpret
@@ -21,6 +21,9 @@
yield -inf
yield inf / inf # nan
+def test_float2longlong():
+ assert float2longlong(0.0) == r_longlong(0)
+
def test_longlong_as_float():
for x in enum_floats():
res = fn(x)
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