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numpy.copyto(dst, src, casting='same_kind', where=None)
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Copies values from one array to another, broadcasting as necessary.
Raises a TypeError if the
casting
rule is violated, and ifwhere
is provided, it selects which elements to copy.New in version 1.7.0.
Parameters: dst : ndarray
The array into which values are copied.
src : array_like
The array from which values are copied.
casting : {?no?, ?equiv?, ?safe?, ?same_kind?, ?unsafe?}, optional
Controls what kind of data casting may occur when copying.
- ?no? means the data types should not be cast at all.
- ?equiv? means only byte-order changes are allowed.
- ?safe? means only casts which can preserve values are allowed.
- ?same_kind? means only safe casts or casts within a kind, like float64 to float32, are allowed.
- ?unsafe? means any data conversions may be done.
where : array_like of bool, optional
A boolean array which is broadcasted to match the dimensions of
dst
, and selects elements to copy fromsrc
todst
wherever it contains the value True.
numpy.copyto()
2017-01-10 18:13:08
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