MTensor_clone （C 函数）

is a library callback function that puts a clone of into .

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Used in C/C++ code in a library function called from the Wolfram Language.
A nonzero error code value will be returned if the dimensions are negative or if there is not sufficient memory.
The destination should either be null (0) or an MTensor allocated with MTensor_new.
If is null then a new MTensor is created.
If is an allocated MTensor then the data in will be modified.

This clones an MTensor:

MTensor T0, T1;
int err;
...
T1 = 0;
err = libData->MTensor_clone( T0, &T1);

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