pyrUp function
Implementation
VARP pyrUp(VARP src, (int, int) dstsize, {int borderType = BORDER_REFLECT}) {
final cDstsize = Size.fromTuple(dstsize);
final pOut = c.mnn_cv_pyrUp(src.ptr, cDstsize.ref, borderType);
final rval = VARP.fromPointer(pOut);
cDstsize.dispose();
return rval;
}