if(((tree->lchild->type == H5Z_XFORM_INTEGER) || (tree->lchild->type == H5Z_XFORM_FLOAT)) && ((tree->rchild->type == H5Z_XFORM_INTEGER) || (tree->rchild->type == H5Z_XFORM_FLOAT)))
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#define H5Z_PACKAGE     /*suppress error about including H5Zpkg   */
#include "H5private.h"      /* Generic Functions            */
#include "H5Eprivate.h"     /* Error handling           */
#include "H5Iprivate.h"     /* IDs                  */
#include "H5MMprivate.h"    /* Memory management            */
#include "H5Zpkg.h"     /* Data filters             */
#include "H5Vprivate.h"     /* H5V_array_fill           */
/* Token types */
typedef enum {
    H5Z_XFORM_ERROR,
    H5Z_XFORM_INTEGER, /* this represents an integer type in the data transform expression */
    H5Z_XFORM_FLOAT,  /* this represents a floating point type in the data transform expression */
    H5Z_XFORM_SYMBOL,
    H5Z_XFORM_PLUS,
    H5Z_XFORM_MINUS,
    H5Z_XFORM_MULT,
    H5Z_XFORM_DIVIDE,
    H5Z_XFORM_LPAREN,
    H5Z_XFORM_RPAREN,
    H5Z_XFORM_END
} H5Z_token_type;
typedef struct {
    unsigned int    num_ptrs;
    void**  ptr_dat_val;
} H5Z_datval_ptrs;
/* Used to represent values in transform expression */
typedef union {
    void   *dat_val;