SQLite

Check-in [56f232d562]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Make the sqlite3IsNaN() function a macro that evaluates to FALSE when compiled with SQLITE_OMIT_FLOATING_POINT.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 56f232d562bc239103a5afd2e64c4b926a20de08
User & Date: drh 2010-01-13 17:39:54.000
Context
2010-01-14
00:39
Comment cleanup in sqliteInt.h. (check-in: 67c3aea563 user: drh tags: trunk)
2010-01-13
17:39
Make the sqlite3IsNaN() function a macro that evaluates to FALSE when compiled with SQLITE_OMIT_FLOATING_POINT. (check-in: 56f232d562 user: drh tags: trunk)
16:43
When SQLITE_OMIT_FLOATING_POINT is defined, the floating-point formats in the sqlite3_*printf() functions should pull an int64 off of the parameter list and ignore it. (check-in: 3fd6f9ad06 user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/sqliteInt.h.
︙
2528
2529
2530
2531
2532
2533
2534

2535




2536
2537
2538
2539
2540
2541
2542

2528
2529
2530
2531
2532
2533
2534
2535

2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546








+
-
+
+
+
+








  int sqlite3MutexEnd(void);
#endif

int sqlite3StatusValue(int);
void sqlite3StatusAdd(int, int);
void sqlite3StatusSet(int, int);

#ifndef SQLITE_OMIT_FLOATING_POINT
int sqlite3IsNaN(double);
  int sqlite3IsNaN(double);
#else
# define sqlite3IsNaN(X)  0
#endif

void sqlite3VXPrintf(StrAccum*, int, const char*, va_list);
#ifndef SQLITE_OMIT_TRACE
void sqlite3XPrintf(StrAccum*, const char*, ...);
#endif
char *sqlite3MPrintf(sqlite3*,const char*, ...);
char *sqlite3VMPrintf(sqlite3*,const char*, va_list);
︙
Changes to src/util.c.
︙
27
28
29
30
31
32
33

34
35
36
37
38
39
40

27
28
29
30
31
32
33
34
35
36
37
38
39
40
41








+








#ifdef SQLITE_COVERAGE_TEST
void sqlite3Coverage(int x){
  static int dummy = 0;
  dummy += x;
}
#endif

#ifndef SQLITE_OMIT_FLOATING_POINT
/*
** Return true if the floating point value is Not a Number (NaN).
**
** Use the math library isnan() function if compiled with SQLITE_HAVE_ISNAN.
** Otherwise, we have our own implementation that works on most systems.
*/
int sqlite3IsNaN(double x){
︙
71
72
73
74
75
76
77

78
79
80
81
82
83
84

72
73
74
75
76
77
78
79
80
81
82
83
84
85
86








+








  rc = (y!=z);
#else  /* if defined(SQLITE_HAVE_ISNAN) */
  rc = isnan(x);
#endif /* SQLITE_HAVE_ISNAN */
  testcase( rc );
  return rc;
}
#endif /* SQLITE_OMIT_FLOATING_POINT */

/*
** Compute a string length that is limited to what can be stored in
** lower 30 bits of a 32-bit signed integer.
**
** The value returned will never be negative.  Nor will it ever be greater
** than the actual length of the string.  For very long strings (greater
︙