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# Unary

> ndarray functions for unary callbacks.

## Notes

-   Each file contains a set of related ndarray functions. The file name matches the ndarray function name suffix for input and output ndarray dtypes.
-   The implemented functions which perform conversions are **not** exhaustive and that is intentional. Namely, functions which would perform "unsafe" callback argument and return value conversions are not included (e.g., converting `double` to `int32`). If users want to perform "unsafe" conversions, that should be a conscious decision. All the machinery (e.g., macros, typedefs, etc) is available for implementing ndarray functions which perform "unsafe" conversions, but we should not make this overly easy or be proactive in promoting "unsafe" conversion use.
