// A module of KPlib v1.4.2.
// Written by Keith Pomakis during the summer of 1994.
// Released to the public domain on October 10, 1994.
// This version released on March 30, 1999.

#ifndef KP_BASIC_DEFINED
#define KP_BASIC_DEFINED

#include <string.h>
#include <iostream.h>
#include <stdlib.h>

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

#ifndef NULL
#define NULL 0
#endif

#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif

#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif

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

// Since the bool type has only recently been added to the C++ standard,
// many compilers may not implement it yet.  Define the symbol
// KP_SIMULATE_BOOL to simulate the bool type.

#ifdef KP_SIMULATE_BOOL
    typedef int bool;
    const int false = 0;
    const int true = 1;
#endif

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

#ifndef min         // Hopefully this isn't already defined as a macro.

template <class T>
inline T
min(T arg1, T arg2)
{
    return (arg1 < arg2)? arg1 : arg2;
}

inline char *
min(char *arg1, char *arg2)
{
    return (strcmp(arg1, arg2) < 0)? arg1 : arg2;
}

#endif

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

#ifndef max         // Hopefully this isn't already defined as a macro.

template <class T>
inline T
max(T arg1, T arg2)
{
    return (arg2 < arg1)? arg1 : arg2;
}

inline char *
max(char *arg1, char *arg2)
{
    return (strcmp(arg2, arg1) < 0)? arg1 : arg2;
}

#endif

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

template <class T>
inline void
swap(T &arg1, T &arg2)
{
    T tmp = arg1;
    arg1 = arg2;
    arg2 = tmp;
}

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

inline void
check_mem(void *ptr)
{
    // Declare string as static so that it isn't defined per instantiation
    // in case the compiler actually does decide to inline this code.
    static const char *const mem_err = "Error allocating memory.\n";
    if (ptr == NULL) {
        cerr << mem_err;
        exit(EXIT_FAILURE);
    }
}

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

#endif /* KP_BASIC_DEFINED */