#include <python2.5/Python.h> 
//#include "Python.h" 
#include <numpy/arrayobject.h> 
//#include "arrayobject.h" 
#include "test.h" 
#include <math.h> 
 
 
static PyMethodDef _C_testMethods[] = { 
   {"testf", testf, METH_VARARGS}, 
   {NULL, NULL}     /* Sentinel - marks the end of this structure */ 
}; 
 
 
void init_C_test()  { 
    (void) Py_InitModule("_C_test", _C_testMethods); 
   import_array();  // Must be present for NumPy.  Called first after above line. 
} 
 
 
static PyArrayObject *testf(PyObject *self, PyObject *args) 
{ 
  PyArrayObject *a; 
  int i,j, n, m, ndem; 
 
  if (!PyArg_ParseTuple(args, "O!", &PyArray_Type, &a)) 
    return NULL; 
  
  printf("nd=%d\n", ndem = a->nd); 
 
  printf("ndemension=%dx%d\n", 
    n=a->dimensions[0], 
    m=a->dimensions[1]); 
 
  for ( i=0; i<m; i++)  { 
    for ( j=0; j<n; j++)  { 
      printf("a->data[%d,%d]=%d\t",i,j,a->data[i*m+j]); 
    } 
    printf("\n"); 
  } 
  a->data[0]=20; 
 
    return a; 
 
  //  return Py_None; 
 
}

import _C_test 
import numpy 
 
b = numpy.array([[5, 6],[7, 8]], dtype=numpy.int8) 
print b 
print _C_test.testf(b) 
print 'end'

 [[5 6] 
 [7 8]] 
nd=2 
ndemension=2x2 
a->data[0,0]=5  a->data[0,1]=6   
a->data[1,0]=7  a->data[1,1]=8   
[[20  6] 
 [ 7  8]] 
end 
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