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//
// Copyright (C) 2003 Rational Discovery LLC
//
#include <boost/python.hpp>
#include <boost/python/numeric.hpp>
#define PY_ARRAY_UNIQUE_SYMBOL RD_array_API
#include "numpy/oldnumeric.h"
namespace python = boost::python;
double GetFirstElement(python::numeric::array &x){
PyArrayObject *ptr = (PyArrayObject *)x.ptr();
void* data = ptr->data;
double res=0.0;
switch(ptr->descr->type_num)
{
case PyArray_DOUBLE:
res = ((double *)data)[0];
break;
case PyArray_FLOAT:
res = (double)((float *)data)[0];
break;
case PyArray_LONG:
res = (double)((long *)data)[0];
break;
case PyArray_INT:
res = (double)((int *)data)[0];
break;
}
return res;
}
BOOST_PYTHON_MODULE(linalg)
{
python::def("GetFirstElement",GetFirstElement);
}
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