r = (t = (unsigned)(n >> 40)) ? 40 + (unsigned)LogTable256[t] : 32 + (unsigned)LogTable256[ttt & 0xFF];
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
 * Programmer: Robb Matzke <matzke@llnl.gov>
 *             Friday, October 10, 1997
 */
#ifndef H5Vprivate_H
#define H5Vprivate_H
/* Private headers needed by this file */
#include "H5private.h"      /* Generic Functions            */
#include "H5Eprivate.h"     /* Error handling           */
/* Vector-Vector sequence operation callback */
typedef herr_t (*H5V_opvv_func_t)(hsize_t dst_off, hsize_t src_off,
    size_t len, void *udata);
/* Vector comparison functions like Fortran66 comparison operators */
#define H5V_vector_eq_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)==0)
#define H5V_vector_lt_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)<0)
#define H5V_vector_gt_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)>0)
#define H5V_vector_le_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)<=0)
#define H5V_vector_ge_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)>=0)
#define H5V_vector_eq_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)==0)
#define H5V_vector_lt_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)<0)
#define H5V_vector_gt_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)>0)
#define H5V_vector_le_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)<=0)
#define H5V_vector_ge_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)>=0)
/* Other functions */
#define H5V_vector_cpy(N,DST,SRC) {                                           \
    assert (sizeof(*(DST))==sizeof(*(SRC)));                                  \
    if (SRC) HDmemcpy (DST, SRC, (N)*sizeof(*(DST)));                         \
    else HDmemset (DST, 0, (N)*sizeof(*(DST)));                               \
#define H5V_vector_zero(N,DST) HDmemset(DST,0,(N)*sizeof(*(DST)))