ndarray::PyUnaryUFunctor< TUnaryFunctor, TArgument, TResult > Struct Template Reference

#include <ufunctors.h>

Static Public Member Functions
static PyObject *	_call_ (TUnaryFunctor const &self, PyObject *input, PyObject *output)

Detailed Description

template<typename TUnaryFunctor, typename TArgument = typename TUnaryFunctor::argument_type, typename TResult = typename TUnaryFunctor::result_type>
struct ndarray::PyUnaryUFunctor< TUnaryFunctor, TArgument, TResult >

Definition at line 39 of file ufunctors.h.

Member Function Documentation

template<typename TUnaryFunctor , typename TArgument = typename TUnaryFunctor::argument_type, typename TResult = typename TUnaryFunctor::result_type>

static PyObject* ndarray::PyUnaryUFunctor< TUnaryFunctor, TArgument, TResult >::_call_ ( TUnaryFunctor const &  self, PyObject *  input, PyObject *  output  )

inlinestatic

Definition at line 41 of file ufunctors.h.

                                                                                          {
        PyObject* input_array = PyArray_FROM_OTF(input,detail::NumpyTraits<TArgument>::getCode(),
                                                 NPY_ALIGNED);
        if (input_array == NULL) return NULL;
        PyObject* output_array;
        if (output == NULL || output == Py_None) {
            output_array = PyArray_SimpleNew(PyArray_NDIM(input_array),
                                             PyArray_DIMS(input_array),
                                             detail::NumpyTraits<TResult>::getCode());
        } else {
            output_array = PyArray_FROM_OTF(output,detail::NumpyTraits<TResult>::getCode(),
                                            NPY_ALIGNED | NPY_WRITEABLE | NPY_UPDATEIFCOPY);
        }
        if (output_array == NULL) {
            Py_DECREF(input_array);
            return NULL;
        }
        PyObject* iter = PyArray_MultiIterNew(2,input_array,output_array);
        if (iter == NULL) {
            Py_DECREF(input_array);
            Py_DECREF(output_array);
            return NULL;
        }
        int size = ((PyArrayMultiIterObject*)(iter))->size;
        while (size--) {
            TArgument* arg = (TArgument*)PyArray_MultiIter_DATA(iter,0);
            TResult* res = (TResult*)PyArray_MultiIter_DATA(iter,1);
            *res = self(*arg);
            PyArray_MultiIter_NEXT(iter);
        }
        Py_DECREF(input_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/10.1+37/include/ndarray/swig/ufunctors.h