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Overview
Comment:Improved NaN testing for highly optimized GCC on x86. Tickets #3202 and #3194. (CVS 5396)
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SHA1: a8a2fe45b21b405bb871e29540f98086b0c8f828
User & Date: drh 2008-07-11 16:19:10.000
Context
2008-07-11
16:39
Added corruptA.test for testing malformed database headers. (CVS 5397) (check-in: 6dcce6b974 user: drh tags: trunk)
16:19
Improved NaN testing for highly optimized GCC on x86. Tickets #3202 and #3194. (CVS 5396) (check-in: a8a2fe45b2 user: drh tags: trunk)
16:15
Additional test coverage for the btree module. Remove the failsafe() macro and replace it with ALWAYS() and NEVER(). (CVS 5395) (check-in: d7e2f0d2d4 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/util.c.
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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.237 2008/07/11 16:15:18 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>


/*








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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.238 2008/07/11 16:19:10 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>


/*
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  **      which depend on an exact implementation of IEEE or ISO 
  **      rules/specifications for math functions.
  */
#ifdef __FAST_MATH__
# error SQLite will not work correctly with the -ffast-math option of GCC.
#endif
  volatile double y = x;

  return x!=y;
}

/*
** Return the length of a string, except do not allow the string length
** to exceed the SQLITE_LIMIT_LENGTH setting.
*/
int sqlite3Strlen(sqlite3 *db, const char *z){








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  **      which depend on an exact implementation of IEEE or ISO 
  **      rules/specifications for math functions.
  */
#ifdef __FAST_MATH__
# error SQLite will not work correctly with the -ffast-math option of GCC.
#endif
  volatile double y = x;
  volatile double z = y;
  return y!=z;
}

/*
** Return the length of a string, except do not allow the string length
** to exceed the SQLITE_LIMIT_LENGTH setting.
*/
int sqlite3Strlen(sqlite3 *db, const char *z){
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