Revision: 4676
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4676&view=rev
Author: jdh2358
Date: 2007-12-08 09:00:28 -0800 (Sat, 08 Dec 2007)
Log Message:
-----------
added primes demo
Added Paths:
-----------
trunk/py4science/examples/pyrex/primes/
trunk/py4science/examples/pyrex/primes/Makefile
trunk/py4science/examples/pyrex/primes/primes.pyx
trunk/py4science/examples/pyrex/primes/pyprimes.py
trunk/py4science/examples/pyrex/primes/run_primes.py
trunk/py4science/examples/pyrex/primes/setup.py
Added: trunk/py4science/examples/pyrex/primes/Makefile
===================================================================
--- trunk/py4science/examples/pyrex/primes/Makefile
(rev 0)
+++ trunk/py4science/examples/pyrex/primes/Makefile 2007-12-08 17:00:28 UTC
(rev 4676)
@@ -0,0 +1,11 @@
+all:
+ python setup.py build_ext --inplace
+
+test: all
+ python run_primes.py 20
+
+clean:
+ @echo Cleaning Primes
+ @rm -f *.c *.o *.so *~ *.pyc
+ @rm -rf build
+
Added: trunk/py4science/examples/pyrex/primes/primes.pyx
===================================================================
--- trunk/py4science/examples/pyrex/primes/primes.pyx
(rev 0)
+++ trunk/py4science/examples/pyrex/primes/primes.pyx 2007-12-08 17:00:28 UTC
(rev 4676)
@@ -0,0 +1,18 @@
+def primes(int kmax):
+ cdef int n, k, i
+ cdef int p[1000]
+ result = []
+ if kmax > 1000:
+ kmax = 1000
+ k = 0
+ n = 2
+ while k < kmax:
+ i = 0
+ while i < k and n % p[i] <> 0:
+ i = i + 1
+ if i == k:
+ p[k] = n
+ k = k + 1
+ result.append(n)
+ n = n + 1
+ return result
Added: trunk/py4science/examples/pyrex/primes/pyprimes.py
===================================================================
--- trunk/py4science/examples/pyrex/primes/pyprimes.py
(rev 0)
+++ trunk/py4science/examples/pyrex/primes/pyprimes.py 2007-12-08 17:00:28 UTC
(rev 4676)
@@ -0,0 +1,13 @@
+def primes(kmax):
+ p = []
+ k = 0
+ n = 2
+ while k < kmax:
+ i = 0
+ while i < k and n % p[i] <> 0:
+ i = i + 1
+ if i == k:
+ p.append(n)
+ k = k + 1
+ n = n + 1
+ return p
Added: trunk/py4science/examples/pyrex/primes/run_primes.py
===================================================================
--- trunk/py4science/examples/pyrex/primes/run_primes.py
(rev 0)
+++ trunk/py4science/examples/pyrex/primes/run_primes.py 2007-12-08
17:00:28 UTC (rev 4676)
@@ -0,0 +1,4 @@
+import sys
+from primes import primes
+n = 1000
+print primes(n)
Added: trunk/py4science/examples/pyrex/primes/setup.py
===================================================================
--- trunk/py4science/examples/pyrex/primes/setup.py
(rev 0)
+++ trunk/py4science/examples/pyrex/primes/setup.py 2007-12-08 17:00:28 UTC
(rev 4676)
@@ -0,0 +1,12 @@
+from distutils.core import setup
+#from distutils.extension import Extension
+from Pyrex.Distutils.extension import Extension
+from Pyrex.Distutils import build_ext
+
+setup(
+ name = 'Demos',
+ ext_modules=[
+ Extension("primes", ["primes.pyx"]),
+ ],
+ cmdclass = {'build_ext': build_ext}
+)
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