ndarray::PyBinaryUFunctor< TBinaryFunctor, TArgument1, TArgument2, TResult > Struct Template Reference

#include <ufunctors.h>

Static Public Member Functions
static PyObject *	_call_ (TBinaryFunctor const &self, PyObject *input1, PyObject *input2, PyObject *output)

Detailed Description

template<typename TBinaryFunctor, typename TArgument1 = typename TBinaryFunctor::first_argument_type, typename TArgument2 = typename TBinaryFunctor::second_argument_type, typename TResult = typename TBinaryFunctor::result_type>
struct ndarray::PyBinaryUFunctor< TBinaryFunctor, TArgument1, TArgument2, TResult >

Definition at line 83 of file ufunctors.h.

Member Function Documentation

template<typename TBinaryFunctor , typename TArgument1 = typename TBinaryFunctor::first_argument_type, typename TArgument2 = typename TBinaryFunctor::second_argument_type, typename TResult = typename TBinaryFunctor::result_type>

static PyObject* ndarray::PyBinaryUFunctor< TBinaryFunctor, TArgument1, TArgument2, TResult >::_call_ ( TBinaryFunctor const &  self, PyObject *  input1, PyObject *  input2, PyObject *  output  )

inlinestatic

Definition at line 85 of file ufunctors.h.

                                                {
        PyObject* input1_array = PyArray_FROM_OTF(input1,detail::NumpyTraits<TArgument1>::getCode(),
                                                  NPY_ALIGNED);
        PyObject* input2_array = PyArray_FROM_OTF(input2,detail::NumpyTraits<TArgument1>::getCode(),
                                                  NPY_ALIGNED);
        if (input1_array == NULL || input2_array == NULL) {
            Py_XDECREF(input1_array);
            Py_XDECREF(input2_array);
            return NULL;
        }
        PyObject* output_array;
        if (output == NULL || output == Py_None) {
            PyObject* tmp = PyArray_MultiIterNew(2,input1_array,input2_array);
            if (tmp == NULL) {
                Py_XDECREF(input1_array);
                Py_XDECREF(input2_array);
                return NULL;
            }
            PyArrayMultiIterObject* tmp_iter = (PyArrayMultiIterObject*)tmp;
            output_array = PyArray_SimpleNew(tmp_iter->nd,tmp_iter->dimensions,
                                             detail::NumpyTraits<TResult>::getCode());
            Py_DECREF(tmp);
        } else {
            output_array = PyArray_FROM_OTF(output,detail::NumpyTraits<TResult>::getCode(),
                                            NPY_ALIGNED | NPY_WRITEABLE | NPY_UPDATEIFCOPY);
        }
        if (output_array == NULL) {
            Py_DECREF(input1_array);
            Py_DECREF(input2_array);
            return NULL;
        }
        PyObject* iter = PyArray_MultiIterNew(3,input1_array,input2_array,output_array);
        if (iter == NULL) {
            Py_DECREF(input1_array);
            Py_DECREF(input2_array);
            Py_DECREF(output_array);
            return NULL;
        }
        int size = ((PyArrayMultiIterObject*)(iter))->size;
        while (size--) {
            TArgument1* arg1 = (TArgument1*)PyArray_MultiIter_DATA(iter,0);
            TArgument2* arg2 = (TArgument2*)PyArray_MultiIter_DATA(iter,1);
            TResult* res = (TResult*)PyArray_MultiIter_DATA(iter,2);
            *res = self(*arg1,*arg2);
            PyArray_MultiIter_NEXT(iter);
        }
        Py_DECREF(input1_array);
        Py_DECREF(input2_array);
        Py_DECREF(iter);
        return PyArray_Return(reinterpret_cast<PyArrayObject*>(output_array));
    }

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The documentation for this struct was generated from the following file:

• /home/lsstsw/stack/Linux64/ndarray/11.0.rc2+1/include/ndarray/swig/ufunctors.h