Geografic-Information-System/raster3d/r3.in.v5d/binio.h

/* Vis5D version 5.0 */

/*
   Vis5D system for visualizing five dimensional gridded data sets
   Copyright (C) 1990 - 1997  Bill Hibbard, Brian Paul, Dave Santek,
   and Andre Battaiola.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 1, or (at your option)
   any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */


/*
 * Functions to do binary I/O of floats, ints, etc. with byte swapping
 * as needed.
 */


#ifndef BINIO_H
#define BINIO_H


/* Include files which define SEEK_SET, O_RD_ONLY, etc. */
/* and prototype open(), close(), lseek(), etc. */
#include <unistd.h>
#include <fcntl.h>



extern void flip4(const unsigned int *src, unsigned int *dest, int n);

extern void flip2(const unsigned short *src, unsigned short *dest, int n);


#ifdef _CRAY
extern void cray_to_ieee_array(long *dest, const float *source, int n);
extern void ieee_to_cray_array(float *dest, const long *source, int n);
#endif


/**********************************************************************/

/*****                     Read Functions                         *****/

/**********************************************************************/


extern int read_bytes(int f, void *b, int n);

extern int read_int2_array(int f, short *iarray, int n);

extern int read_uint2_array(int f, unsigned short *iarray, int n);

extern int read_int4(int f, int *i);

extern int read_int4_array(int f, int *iarray, int n);

extern int read_float4(int f, float *x);

extern int read_float4_array(int f, float *x, int n);

extern int read_block(int f, void *data, int elements, int elsize);



/**********************************************************************/

/*****                         Write Functions                    *****/

/**********************************************************************/


extern int write_bytes(int f, const void *b, int n);

extern int write_int2_array(int f, const short *iarray, int n);

extern int write_uint2_array(int f, const unsigned short *iarray, int n);

extern int write_int4(int f, int i);

extern int write_int4_array(int f, const int *iarray, int n);

extern int write_float4(int f, float x);

extern int write_float4_array(int f, const float *x, int n);

extern int write_block(int f, const void *data, int elements, int elsize);

#endif