adding cython text

chp05/boost/ebb.cpp

@@ -0,0 +1,24 @@
+#include<string>
+#include<boost/python.hpp>           // .hpp convention for c++ headers
+using namespace std;                 // just like cpp for source files
+
+namespace exploringbb{               // keep the global namespace clean
+
+   string hello(string name) {       // e.g., returns "Hello Derek!"
+      return ("Hello " + name + "!");
+   }
+
+   double integrate(double a, double b, int n) {     // same as before
+      double sum=0, dx = (b-a)/n;
+      for(int i=0; i<n; i++){  sum += sin((a+i)*dx);  }
+      return sum*dx;
+   }
+}
+
+BOOST_PYTHON_MODULE(ebb){             // the module is called ebb
+   using namespace boost::python;     // require the boost.python namespace
+   using namespace exploringbb;       // bring in custom namespace
+   def("hello", hello);               // make hello() visible to Python
+   def("integrate", integrate);       // make integrate() also visible 
+}
+

chp05/boost/test.py

@@ -0,0 +1,10 @@
+#!/usr/bin/python
+# A Python program that calls C program code
+import ebb
+
+print "Start of the Python program"
+print ebb.hello("Derek")
+val = ebb.integrate(0, 3.14159, 1000000)
+print "The integral result is: ", val
+print "End of the Python program"
+

chp05/cython/setup.py

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+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Distutils import build_ext
+
+ext_modules = [Extension("test", ["test.pyx"])]
+setup(
+   name = 'random number sum application',
+   cmdclass = {'build_ext' : build_ext },
+   ext_modules = ext_modules
+)
+