Copy the data in one GPU object to another. The objects must be of the same
class (e.g. gpuvec/gpuvec and gpumat/gpumat), but they can be of different
fundamental types (e.g. float/double).
gpu2gpu(gpu_in, gpu_out)
Arguments
| gpu_in |
Input. |
| gpu_out |
Ouput. |
Value
Returns NULL.