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Improvements to integer/float comparisons on architectures that lack a

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"long double" type.

FossilOrigin-Name: 5139ea62a8a6c6dc6558c337de39bcbadd26f6515742263387be03c862c78cf0
This commit is contained in:
drh 2018-05-18 14:24:23 +00:00
commit bc30e2023b
3 changed files with 10 additions and 12 deletions
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13
manifest
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@ -1,5 +1,5 @@
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D 2018-05-17T20:04:24.639
C Improvements\sto\sinteger/float\scomparisons\son\sarchitectures\sthat\slack\sa\n"long\sdouble"\stype.
D 2018-05-18T14:24:23.139
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@ -567,7 +567,7 @@ F src/vdbe.c 066a4e1de2ed83e253adfd2e97a684cf562eaa41d31ee7f3d3e4c8aea4485a55
F src/vdbe.h d970d9738efdd09cb2df73e3a40856e7df13e88a3486789c49fcdd322c9eb8a2
F src/vdbeInt.h 95f7adfdc5c8f1353321f55a6c5ec00a90877e3b85af5159e393afb41ff54110
F src/vdbeapi.c 29d2baf9c1233131ec467d7bed1b7c8a03c27579048d768c4b04acf427838858
F src/vdbeaux.c f1cb5ae6e42c54d4991e2951e5293c1e18bad6847056e9b17622fbf6b17964a9
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F src/vdbemem.c 0cbe9b9560e42b72983cf9e1bceba48f297e51142bfb6b57f3747cf60106b92d
F src/vdbesort.c 731a09e5cb9e96b70c394c1b7cf3860fbe84acca7682e178615eb941a3a0ef2f
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U drh
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src/vdbeaux.c
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@ -3917,13 +3917,10 @@ static int sqlite3IntFloatCompare(i64 i, double r){
i64 y;
double s;
if( r<-9223372036854775808.0 ) return +1;
if( r>9223372036854775807.0 ) return -1;
if( r>=9223372036854775808.0 ) return -1;
y = (i64)r;
if( i<y ) return -1;
if( i>y ){
if( y==SMALLEST_INT64 && r>0.0 ) return -1;
return +1;
}
if( i>y ) return +1;
s = (double)i;
if( s<r ) return -1;
if( s>r ) return +1;