/* $Id: Integer.hP,v 1.1 1999/09/21 23:31:28 exact Exp $ */
// Stuff used to implement the Integer class.
// WARNING:  Its internals WILL change!

/*
 Sizes of shifts for multiple-precision arithmetic.
 These should not be changed unless Integer representation
 as unsigned shorts is changed in the implementation files.
*/

#define I_SHIFT         (sizeof(short) * CHAR_BIT)
#define I_RADIX         ((unsigned long)(1L << I_SHIFT))
#define I_MAXNUM        ((unsigned long)((I_RADIX - 1)))
#define I_MINNUM        ((unsigned long)(I_RADIX >> 1))
#define I_POSITIVE      1
#define I_NEGATIVE      0

/* All routines assume SHORT_PER_LONG > 1 */
#define SHORT_PER_LONG  ((unsigned)(((sizeof(long) + sizeof(short) - 1) / sizeof(short))))
#define CHAR_PER_LONG   ((unsigned)sizeof(long))

/*
  minimum and maximum sizes for an IntRep
*/

// #define MINIntRep_SIZE   16
#define MINIntRep_SIZE   64
#define MAXIntRep_SIZE   (LONG_MAX / sizeof(short)) // I_MAXNUM

#ifndef MALLOC_MIN_OVERHEAD
#define MALLOC_MIN_OVERHEAD 4
#endif