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Overview
| Comment: | Fix an error in [b22cdd67] that can cause a negative infinity to be (rarely) reported as a positive infinity. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9780b23ca375de6a542516fbc03eb39d |
| User & Date: | drh 2017-09-12 15:05:34 |
Context
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2017-09-12
| ||
| 23:58 | Remove use of the rand_s() function (added by [139081bef9f63c3e]) as it appears to cause issues with some third-party DLLs. check-in: 3a2793aa user: mistachkin tags: trunk | |
| 18:49 | Add the highly-experimental "PRAGMA noop_update=TRUE" command. Leaf check-in: de2e3717 user: drh tags: pragma-noop-update | |
| 18:03 | Hack to have multiple connections to a single file share a single memory mapping of the databse file. check-in: ec37ad6d user: dan tags: shared-mapping-hack | |
| 15:05 | Fix an error in [b22cdd67] that can cause a negative infinity to be (rarely) reported as a positive infinity. check-in: 9780b23c user: drh tags: trunk | |
| 13:27 | Changes to (hopefully) get the build working with recent Intel compilers. check-in: b22cdd67 user: drh tags: trunk | |
Changes
Changes to src/util.c.
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result *= 1.0e+308;
}
}else{ assert( e>=342 );
if( esign<0 ){
result = 0.0*s;
}else{
#ifdef INFINITY
result = INFINITY;
#else
result = 1e308*1e308*s; /* Infinity */
#endif
}
}
}else{
/* 1.0e+22 is the largest power of 10 than can be
|
| |
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result *= 1.0e+308;
}
}else{ assert( e>=342 );
if( esign<0 ){
result = 0.0*s;
}else{
#ifdef INFINITY
result = INFINITY*s;
#else
result = 1e308*1e308*s; /* Infinity */
#endif
}
}
}else{
/* 1.0e+22 is the largest power of 10 than can be
|
Changes to test/nan.test.
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db eval {
DELETE FROM t1;
INSERT INTO t1 VALUES('2.5e-2147483650');
SELECT x, typeof(x) FROM t1;
}
} {0.0 real}
finish_test
|
> > > | > < < |
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db eval {
DELETE FROM t1;
INSERT INTO t1 VALUES('2.5e-2147483650');
SELECT x, typeof(x) FROM t1;
}
} {0.0 real}
do_realnum_test nan-4.40 {
db eval {
SELECT cast('-1e999' AS real);
}
} {-inf}
finish_test
|