Copy the data in a GPU object to a CPU object. The objects must be of the
core class (e.g. gpuvec/cpuvec and gpumat/cpumat), but they can be of
different fundamental types (e.g. float/double).
gpu2cpu(gpu_in, cpu_out)
Arguments
| gpu_in |
Input. |
| cpu_out |
Ouput. |
Value
Returns NULL.