added platform object to OCL struct
started on function for running PCE without OpenCL
transfer data back to CPU for mac PCE
selection of candidate points
added filtering of candidate points
added cube filtering of candidate points
added linking
working version of mac workaround for PCE without GCL
free memory after PCE without OCL
memory alloc fix
uncommented if apple check
added crApple detection for turning of 16 bit floats
fixed crApple detection