Author: Hakan Ardo <ha...@debian.org>
Branch: extradoc
Changeset: r3701:859a7d13dc64
Date: 2011-06-16 14:32 +0200
http://bitbucket.org/pypy/extradoc/changeset/859a7d13dc64/
Log: might work on 32bit now
diff --git a/talk/iwtc11/benchmarks/sqrt/sqrt.py
b/talk/iwtc11/benchmarks/sqrt/sqrt.py
--- a/talk/iwtc11/benchmarks/sqrt/sqrt.py
+++ b/talk/iwtc11/benchmarks/sqrt/sqrt.py
@@ -15,6 +15,7 @@
self.val = int(val * 2**16)
else:
self.val = val
+ #assert self.val <= 2147483647>>8
def __add__(self, other):
return Fix16(self.val + Fix16(other).val, False)
@@ -26,7 +27,7 @@
return Fix16((self.val >> 8) * (Fix16(other).val >> 8), False)
def __div__(self, other):
- return Fix16((self.val << 16) / Fix16(other).val, False)
+ return Fix16((self.val << 8) / (Fix16(other).val >> 8), False)
def __float__(self):
@@ -46,8 +47,8 @@
def __rsub__(self, other):
return Fix16(Fix16(other).val - self.val, False)
def __rdiv__(self, other):
- return Fix16((Fix16(other).val << 16) / self.val, False)
+ return Fix16((Fix16(other).val << 8) / (self.val >> 8), False)
def main(argv):
- sqrt(eval(argv[0])(123456), 100000000)
+ sqrt(eval(argv[0])(123), 100000000)
return 'sqrt(%s)' % argv[0]
diff --git a/talk/iwtc11/benchmarks/sqrt/test_sqrt.py
b/talk/iwtc11/benchmarks/sqrt/test_sqrt.py
--- a/talk/iwtc11/benchmarks/sqrt/test_sqrt.py
+++ b/talk/iwtc11/benchmarks/sqrt/test_sqrt.py
@@ -1,6 +1,6 @@
import math
from sqrt import sqrt, Fix16
-for i in range(2,10):
+for i in range(2,10) + [123]:
print i, sqrt(i), '%4.2f' % sqrt(float(i)), \
'%4.2f' % float(sqrt(Fix16(i))), '%4.2f' % math.sqrt(i)
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