void apply_op_validate_input(const std::string &func_name, const VectorSpaceBase< Scalar > &space, const RTOpPack::RTOpT< Scalar > &op, const ArrayView< const Ptr< const VectorBase< Scalar > > > &vecs, const ArrayView< const Ptr< VectorBase< Scalar > > > &targ_vecs, const Ptr< RTOpPack::ReductTarget > &reduct_obj, const Ordinal global_offset)
Validate the inputs to VectorBase::applyOp().