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Overview
| Comment: | Create sqlite4_num_isnan. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | num_work |
| Files: | files | file ages | folders |
| SHA1: | cc1dc90b47966f9d7e62b0408925afdb |
| User & Date: | peterreid 2013-02-09 05:29:44 |
Context
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2013-02-09
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| 05:31 | Prevent reading out of bounds in sqlite4_num_from_text. Parsing 'in' (prefix of 'inf') with byte count 2 triggered the bug. check-in: 408475b607 user: peterreid tags: num_work | |
| 05:29 | Create sqlite4_num_isnan. check-in: cc1dc90b47 user: peterreid tags: num_work | |
| 05:27 | Make LARGEST_UINT64 unsigned. This was causing adjustExponent to fail when compiled with msvc. check-in: 9ff6991d9f user: peterreid tags: num_work | |
Changes
Changes to src/math.c.
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r.sign = A.sign ^ B.sign; r.approx = A.approx | B.approx; if( r.approx==0 && A.m%B.m!=0 ) r.approx = 1; r.m = A.m/B.m; r.e = A.e - B.e; return r; } /* ** Compare numbers A and B. Return: ** ** 1 if A<B ** 2 if A==B ** 3 if A>B |
> > > > > > > |
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r.sign = A.sign ^ B.sign; r.approx = A.approx | B.approx; if( r.approx==0 && A.m%B.m!=0 ) r.approx = 1; r.m = A.m/B.m; r.e = A.e - B.e; return r; } /* ** Test if A is NaN. */ int sqlite4_num_isnan(sqlite4_num A){ return A.e>SQLITE4_MX_EXP && A.m==0; } /* ** Compare numbers A and B. Return: ** ** 1 if A<B ** 2 if A==B ** 3 if A>B |