From: drh Date: Tue, 18 May 2004 22:03:42 +0000 (+0000) Subject: Remove dead code from util.c (CVS 1396) X-Git-Tag: version-3.0.0~218 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7efd61f240ebbca90146dee94c8e2a5027207066;p=thirdparty%2Fsqlite.git Remove dead code from util.c (CVS 1396) FossilOrigin-Name: 3ce42e85a2e6c95ebc0857436d5fe9384cab8628 --- diff --git a/manifest b/manifest index cb2dc6ce44..6689ab5f27 100644 --- a/manifest +++ b/manifest @@ -1,5 +1,5 @@ -C New\svarint\sencoding\sgives\sa\smaximum\svarint\slength\sof\s9\sinstead\sof\s10.\s(CVS\s1395) -D 2004-05-18T15:57:42 +C Remove\sdead\scode\sfrom\sutil.c\s(CVS\s1396) +D 2004-05-18T22:03:43 F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd @@ -61,7 +61,7 @@ F src/tokenize.c e7536dd31205d5afb76c1bdc832dea009c7a3847 F src/trigger.c 11afe9abfba13a2ba142944c797c952e162d117f F src/update.c 0cc7291dd0e0f82cf93085e49c973e8ef9e51fd5 F src/utf.c fc799748d43fe1982d157b871e3e420a19c85d4f -F src/util.c c2e92ba9bb3b10154ceea6f24bd28e17aa43e428 +F src/util.c 6d4339b7f05ccdacaebcce67e7fb8c5b880620e8 F src/vacuum.c c134702e023db8778e6be59ac0ea7b02315b5476 F src/vdbe.c 5cc6e41f2c9f24bbbf591ca538c097c0f7b41a3d F src/vdbe.h 1d0d0b5741c7f46ab372a95a4305fed0ae09d466 @@ -193,7 +193,7 @@ F www/sqlite.tcl 3c83b08cf9f18aa2d69453ff441a36c40e431604 F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1 F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4 -P b2def1852c5357629cf69f0071963f9883074a70 -R fcc6388df2907a9562ab1f06c18ae1d4 +P 61bdb53a363644074d01682fab8220078523676b +R 4ce96fc8601455b203e1d075dc16c4ef U drh -Z e7da228fbe2303ffbc30d46f572dedcc +Z 94a194243da33cd3a770a79c6fa71a6f diff --git a/manifest.uuid b/manifest.uuid index d02ce2d712..7220ded650 100644 --- a/manifest.uuid +++ b/manifest.uuid @@ -1 +1 @@ -61bdb53a363644074d01682fab8220078523676b \ No newline at end of file +3ce42e85a2e6c95ebc0857436d5fe9384cab8628 \ No newline at end of file diff --git a/src/util.c b/src/util.c index 9853c8dae9..50c639a100 100644 --- a/src/util.c +++ b/src/util.c @@ -14,7 +14,7 @@ ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** -** $Id: util.c,v 1.83 2004/05/18 15:57:42 drh Exp $ +** $Id: util.c,v 1.84 2004/05/18 22:03:43 drh Exp $ */ #include "sqliteInt.h" #include @@ -774,93 +774,6 @@ int sqlite3SortCompare(const char *a, const char *b){ return res; } -/* -** Some powers of 64. These constants are needed in the -** sqlite3RealToSortable() routine below. -*/ -#define _64e3 (64.0 * 64.0 * 64.0) -#define _64e4 (64.0 * 64.0 * 64.0 * 64.0) -#define _64e15 (_64e3 * _64e4 * _64e4 * _64e4) -#define _64e16 (_64e4 * _64e4 * _64e4 * _64e4) -#define _64e63 (_64e15 * _64e16 * _64e16 * _64e16) -#define _64e64 (_64e16 * _64e16 * _64e16 * _64e16) - -/* -** The following procedure converts a double-precision floating point -** number into a string. The resulting string has the property that -** two such strings comparied using strcmp() or memcmp() will give the -** same results as a numeric comparison of the original floating point -** numbers. -** -** This routine is used to generate database keys from floating point -** numbers such that the keys sort in the same order as the original -** floating point numbers even though the keys are compared using -** memcmp(). -** -** The calling function should have allocated at least 14 characters -** of space for the buffer z[]. -*/ -void sqlite3RealToSortable(double r, char *z){ - int neg; - int exp; - int cnt = 0; - - /* This array maps integers between 0 and 63 into base-64 digits. - ** The digits must be chosen such at their ASCII codes are increasing. - ** This means we can not use the traditional base-64 digit set. */ - static const char zDigit[] = - "0123456789" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz" - "|~"; - if( r<0.0 ){ - neg = 1; - r = -r; - *z++ = '-'; - } else { - neg = 0; - *z++ = '0'; - } - exp = 0; - - if( r==0.0 ){ - exp = -1024; - }else if( r<(0.5/64.0) ){ - while( r < 0.5/_64e64 && exp > -961 ){ r *= _64e64; exp -= 64; } - while( r < 0.5/_64e16 && exp > -1009 ){ r *= _64e16; exp -= 16; } - while( r < 0.5/_64e4 && exp > -1021 ){ r *= _64e4; exp -= 4; } - while( r < 0.5/64.0 && exp > -1024 ){ r *= 64.0; exp -= 1; } - }else if( r>=0.5 ){ - while( r >= 0.5*_64e63 && exp < 960 ){ r *= 1.0/_64e64; exp += 64; } - while( r >= 0.5*_64e15 && exp < 1008 ){ r *= 1.0/_64e16; exp += 16; } - while( r >= 0.5*_64e3 && exp < 1020 ){ r *= 1.0/_64e4; exp += 4; } - while( r >= 0.5 && exp < 1023 ){ r *= 1.0/64.0; exp += 1; } - } - if( neg ){ - exp = -exp; - r = -r; - } - exp += 1024; - r += 0.5; - if( exp<0 ) return; - if( exp>=2048 || r>=1.0 ){ - strcpy(z, "~~~~~~~~~~~~"); - return; - } - *z++ = zDigit[(exp>>6)&0x3f]; - *z++ = zDigit[exp & 0x3f]; - while( r>0.0 && cnt<10 ){ - int digit; - r *= 64.0; - digit = (int)r; - assert( digit>=0 && digit<64 ); - *z++ = zDigit[digit & 0x3f]; - r -= digit; - cnt++; - } - *z = 0; -} - #ifdef SQLITE_UTF8 /* ** X is a pointer to the first byte of a UTF-8 character. Increment