/*****************************************************************************/
/*                                                                           */
/*            Copyright (C)           2000-2023         M. Held              */
/*                                                                           */
/* This code is not in the public domain. All rights reserved! Please make   */
/* sure to read the full copyright statement contained in "README.txt" or in */
/* the "main" file of this code, such as "main.cc".                          */
/*                                                                           */
/*****************************************************************************/
/*                                                                           */
/* Written by:  Martin Held                                                  */
/*                                                                           */
/* E-Mail:      held@cs.sbg.ac.at                                            */
/* Fax Mail:    (+43 662) 8044-172                                           */
/* Voice Mail:  (+43 662) 8044-6304                                          */
/* Snail Mail:  Martin Held                                                  */
/*              FB Informatik                                                */
/*              Universitaet Salzburg                                        */
/*              A-5020 Salzburg, Austria                                     */
/*                                                                           */
/*****************************************************************************/

#ifndef VRONI_STACK_H
#define VRONI_STACK_H

#define Push(data) \
{\
    ++num_stack; \
    if (num_stack >= max_num_stack) { \
       max_num_stack += STACK_INCR; \
       stack = (STACK_TYPE*) ReallocateArray(stack, max_num_stack, sizeof(STACK_TYPE), STACK_STRING); \
    } \
    stack[num_stack] = data; \
}


#define Pop(data) \
{\
    assert(num_stack > 0); \
    data = stack[num_stack]; \
    --num_stack; \
}


#define GetStackSize     (num_stack)

#define StackIsNotEmpty  (num_stack > 0)

#define StackIsEmpty     (num_stack <= 0)

#define ResetStack       { num_stack = 0; }

#endif