/* * Ray2mesh : software for geophysicists. * Compute various scores attached to the mesh cells, based on geometric   information that rays bring when the traverse the cell. * * Copyright (C) 2003, St閜hane Genaud and Marc Grunberg * * This tool is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */#include "byte_order.h"int TestByteOrder(void){      short int word = 0x0001;      char *byte = (char *) &word;      return(byte[0] ? MY_LITTLE_ENDIAN : MY_BIG_ENDIAN);}long int SwapFourBytes(long int dw)  {      register long int tmp;      tmp =  (dw & 0x000000FF);      tmp = ((dw & 0x0000FF00) >> 0x08) | (tmp << 0x08);      tmp = ((dw & 0x00FF0000) >> 0x10) | (tmp << 0x08);      tmp = ((dw & 0xFF000000) >> 0x18) | (tmp << 0x08);      return(tmp);  }