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Diffstat (limited to 'doc/source/reference/c-api.array.rst')
-rw-r--r-- | doc/source/reference/c-api.array.rst | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/doc/source/reference/c-api.array.rst b/doc/source/reference/c-api.array.rst index cf3c10e3b..44d09a9fe 100644 --- a/doc/source/reference/c-api.array.rst +++ b/doc/source/reference/c-api.array.rst @@ -1906,20 +1906,21 @@ Item selection and manipulation .. c:function:: PyObject* PyArray_Sort(PyArrayObject* self, int axis, NPY_SORTKIND kind) - Equivalent to :meth:`ndarray.sort<numpy.ndarray.sort>` (*self*, *axis*, *kind*). Return an array with - the items of *self* sorted along *axis*.Array is sorted according to *kind* which is an integer/enum pointing to the type of sorting algorithms used. + Equivalent to :meth:`ndarray.sort<numpy.ndarray.sort>` (*self*, *axis*, *kind*). + Return an array with the items of *self* sorted along *axis*. The array + is sorted using the algorithm denoted by *kind* , which is an integer/enum pointing + to the type of sorting algorithms used. .. c:function:: PyObject* PyArray_ArgSort(PyArrayObject* self, int axis) - Equivalent to :meth:`ndarray.argsort<numpy.ndarray.argsort>` (*self*, *axis*). Return an array of - indices such that selection of these indices along the given - ``axis`` would return a sorted version of *self*. If *self* - ->descr is a data-type with fields defined, then - self->descr->names is used to determine the sort order. A - comparison where the first field is equal will use the second - field and so on. To alter the sort order of a structured array, create - a new data-type with a different order of names and construct a - view of the array with that new data-type. + Equivalent to :meth:`ndarray.argsort<numpy.ndarray.argsort>` (*self*, *axis*). + Return an array of indices such that selection of these indices + along the given ``axis`` would return a sorted version of *self*. If *self* ->descr + is a data-type with fields defined, then self->descr->names is used + to determine the sort order. A comparison where the first field is equal + will use the second field and so on. To alter the sort order of a + structured array, create a new data-type with a different order of names + and construct a view of the array with that new data-type. .. c:function:: PyObject* PyArray_LexSort(PyObject* sort_keys, int axis) @@ -2989,8 +2990,10 @@ to. Convert Python strings into one of :c:data:`NPY_QUICKSORT` (starts with 'q' or 'Q'), :c:data:`NPY_HEAPSORT` (starts with 'h' or 'H'), - :c:data:`NPY_MERGESORT` (starts with 'm' or 'M') or :c:data:`NPY_TIMSORT` - (starts with 't' or 'T'). + :c:data:`NPY_MERGESORT` (starts with 'm' or 'M') or :c:data:`NPY_STABLESORT` + (starts with 't' or 'T'). :c:data:`NPY_MERGESORT` and :c:data:`NPY_STABLESORT` + are aliased to each other for backwards compatibility and may refer to one + of several stable sorting algorithms depending on the data type. .. c:function:: int PyArray_SearchsideConverter( \ PyObject* obj, NPY_SEARCHSIDE* side) @@ -3534,11 +3537,15 @@ Enumerated Types A special variable-type which can take on the values :c:data:`NPY_{KIND}` where ``{KIND}`` is - **QUICKSORT**, **HEAPSORT**, **MERGESORT**, **TIMSORT** + **QUICKSORT**, **HEAPSORT**, **MERGESORT**, **STABLESORT** .. c:var:: NPY_NSORTS - Defined to be the number of sorts. + Defined to be the number of sorts. It is fixed at three by the need for + backwards compatibility, and consequently :c:data:`NPY_MERGESORT` and + :c:data:`NPY_STABLESORT` are aliased to each other and may refer to one + of several stable sorting algorithms depending on the data type. + .. c:type:: NPY_SCALARKIND |