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Fixing bug in sort_by_key parameters #144

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Merged
merged 1 commit into from
May 25, 2017
Merged

Fixing bug in sort_by_key parameters #144

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14 changes: 7 additions & 7 deletions arrayfire/algorithm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -473,35 +473,35 @@ def sort_index(a, dim=0, is_ascending=True):
c_uint_t(dim), c_bool_t(is_ascending)))
return out,idx

def sort_by_key(iv, ik, dim=0, is_ascending=True):
def sort_by_key(ik, iv, dim=0, is_ascending=True):
"""
Sort an array based on specified keys

Parameters
----------
iv : af.Array
An Array containing the values
ik : af.Array
An Array containing the keys
iv : af.Array
An Array containing the values
dim: optional: int. default: 0
Dimension along which sort is to be performed.
is_ascending: optional: bool. default: True
Specifies the direction of the sort

Returns
-------
(ov, ok): tuple of af.Array
`ov` contains the values from `iv` after sorting them based on `ik`
(ok, ov): tuple of af.Array
`ok` contains the values from `ik` in sorted order
`ov` contains the values from `iv` after sorting them based on `ik`

Note
-------
Currently `dim` is only supported for 0.
"""
ov = Array()
ok = Array()
safe_call(backend.get().af_sort_by_key(c_pointer(ov.arr), c_pointer(ok.arr),
iv.arr, ik.arr, c_uint_t(dim), c_bool_t(is_ascending)))
safe_call(backend.get().af_sort_by_key(c_pointer(ok.arr), c_pointer(ov.arr),
ik.arr, iv.arr, c_uint_t(dim), c_bool_t(is_ascending)))
return ov,ok

def set_unique(a, is_sorted=False):
Expand Down