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Remove obsolete PowerPC-specific hack for comparisons to DBL_MIN

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(per recent discussion with Tatsuo).  Hopefully the compilers with
that old bug are all long gone.
This commit is contained in:
Tom Lane 2001-03-14 20:12:10 +00:00
parent c6c1fea06d
commit 7ebbf20763
2 changed files with 10 additions and 55 deletions
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35
src/backend/utils/adt/datetime.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.60 2001/01/24 19:43:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.61 2001/03/14 20:12:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -2397,36 +2397,3 @@ EncodeTimeSpan(struct tm * tm, double fsec, int style, char *str)
return 0;
} /* EncodeTimeSpan() */
#if defined(linux) && defined(__powerpc__)
int
timestamp_is_epoch(double j)
{
static union
{
double epoch;
unsigned char c[8];
} u;
u.c[0] = 0x80; /* sign bit */
u.c[1] = 0x10; /* DBL_MIN */
return j == u.epoch;
}
int
timestamp_is_current(double j)
{
static union
{
double current;
unsigned char c[8];
} u;
u.c[1] = 0x10; /* DBL_MIN */
return j == u.current;
}
#endif

30
src/include/utils/timestamp.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: timestamp.h,v 1.14 2001/01/24 19:43:29 momjian Exp $
* $Id: timestamp.h,v 1.15 2001/03/14 20:12:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -74,36 +74,24 @@ typedef struct
#define DT_CURRENT (DBL_MIN)
#define DT_EPOCH (-DBL_MIN)
#define TIMESTAMP_INVALID(j) do {j = DT_INVALID;} while (0)
#define TIMESTAMP_INVALID(j) do {j = DT_INVALID;} while (0)
#ifdef NAN
#define TIMESTAMP_IS_INVALID(j) (isnan(j))
#else
#define TIMESTAMP_IS_INVALID(j) (j == DT_INVALID)
#define TIMESTAMP_IS_INVALID(j) ((j) == DT_INVALID)
#endif
#define TIMESTAMP_NOBEGIN(j) do {j = DT_NOBEGIN;} while (0)
#define TIMESTAMP_IS_NOBEGIN(j) (j == DT_NOBEGIN)
#define TIMESTAMP_NOBEGIN(j) do {j = DT_NOBEGIN;} while (0)
#define TIMESTAMP_IS_NOBEGIN(j) ((j) == DT_NOBEGIN)
#define TIMESTAMP_NOEND(j) do {j = DT_NOEND;} while (0)
#define TIMESTAMP_IS_NOEND(j) (j == DT_NOEND)
#define TIMESTAMP_IS_NOEND(j) ((j) == DT_NOEND)
#define TIMESTAMP_CURRENT(j) do {j = DT_CURRENT;} while (0)
#if defined(linux) && defined(__powerpc__)
extern int timestamp_is_current(double j);
#define TIMESTAMP_IS_CURRENT(j) timestamp_is_current(j)
#else
#define TIMESTAMP_IS_CURRENT(j) (j == DT_CURRENT)
#endif
#define TIMESTAMP_CURRENT(j) do {j = DT_CURRENT;} while (0)
#define TIMESTAMP_IS_CURRENT(j) ((j) == DT_CURRENT)
#define TIMESTAMP_EPOCH(j) do {j = DT_EPOCH;} while (0)
#if defined(linux) && defined(__powerpc__)
extern int timestamp_is_epoch(double j);
#define TIMESTAMP_IS_EPOCH(j) timestamp_is_epoch(j)
#else
#define TIMESTAMP_IS_EPOCH(j) (j == DT_EPOCH)
#endif
#define TIMESTAMP_IS_EPOCH(j) ((j) == DT_EPOCH)
#define TIMESTAMP_IS_RELATIVE(j) (TIMESTAMP_IS_CURRENT(j) || TIMESTAMP_IS_EPOCH(j))
#define TIMESTAMP_NOT_FINITE(j) (TIMESTAMP_IS_INVALID(j) \