/*
    This file is part of the FElt finite element analysis package.
    Copyright (C) 1993-2000 Jason I. Gobat and Darren C. Atkinson

    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 2 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

/************************************************************************
 * File:	allocate.h						*
 *									*
 * Description:	This file contains useful macros for memory allocation.	*
 ************************************************************************/

# ifndef _ALLOCATE_H
# define _ALLOCATE_H
# include <stdlib.h>

# define AllocNew(type) \
	(type *) malloc (sizeof (type))

# define Allocate(type,number) \
	(type *) malloc (sizeof (type) * (number))

# define Reallocate(ptr,type,number) \
	((ptr) = (ptr) ? (type *) realloc (ptr, sizeof (type) * (number)) : \
			  (type *) malloc (sizeof (type) * (number)))

# define Deallocate(ptr) \
	if (ptr) free ((char *) (ptr))

# define UnitOffset(ptr) \
	if (ptr) (ptr) --

# define ZeroOffset(ptr) \
	if (ptr) (ptr) ++

# endif /* _ALLOCATE_H */