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- 1.1
- date 91.03.17.22.38.11; author kupfer; state Exp;
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- desc
- @Operations on 64-bit integers.
- @
-
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * quad.h --
- *
- * Operations on 64-bit integers.
- *
- * Copyright 1991 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that this copyright
- * notice appears in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- *
- * $Header: /sprite/lib/forms/RCS/proto.h,v 1.7 91/02/09 13:24:52 ouster Exp $ SPRITE (Berkeley)
- */
-
- #ifndef _QUAD
- #define _QUAD
-
- #include <stdio.h>
- #include <sys/types.h>
-
- /*
- * For the sake of compatibility, use the BSD definition of the
- * types (i.e., use an array, rather than longs named "hi" and "lo"),
- * and get them out of the standard place (types.h).
- *
- * For the sake of simplicity, always treat word 0 as the least
- * significant of the pair (though it might be better to pay attention
- * to the byte order of the machine).
- */
-
- #define QUAD_MOST_SIG 1
- #define QUAD_LEAST_SIG 0
-
-
- /*
- *----------------------------------------------------------------------
- *
- * Quad_EQ --
- *
- * Tell whether two quads (or unsigned quads) are equal.
- *
- * Results:
- * Returns non-zero if the given values are the same.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- #define Quad_EQ(q1, q2) \
- ((q1).val[QUAD_LEAST_SIG] == (q2).val[QUAD_LEAST_SIG] \
- && (q1).val[QUAD_MOST_SIG] == (q2).val[QUAD_MOST_SIG])
-
-
-
- extern void Quad_AddUns _ARGS_ ((u_quad uq1, u_quad uq2,
- u_quad *resultPtr));
- extern void Quad_AddUnsLong _ARGS_ ((u_quad quadVal, u_long longVal,
- u_quad *resultPtr));
- extern int Quad_CompareUns _ARGS_ ((_CONST u_quad *uq1,
- _CONST u_quad *uq2));
- extern void Quad_PutUns _ARGS_ ((FILE *s, u_quad q));
- extern double Quad_UnsToDouble _ARGS_ ((u_quad));
-
- #endif /* _QUAD */
- @
-