freebsd-dev/gnu/lib/libg++/include/Integer.hP
Poul-Henning Kamp 61d5ffaf10 I belive this should be makeable under 2.0. There may be outstanding
issues in these areas:
    .h's installed
    .hP's installed
    -lcurses interaction
    files needed in ~/legal for copyleft reasons.
1994-08-08 05:52:55 +00:00

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// 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 MAXIntRep_SIZE I_MAXNUM
#ifndef MALLOC_MIN_OVERHEAD
#define MALLOC_MIN_OVERHEAD 4
#endif