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Overview
| Comment: | Create sqlite4_num_isinf |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | num_work |
| Files: | files | file ages | folders |
| SHA1: |
555cdfbf52187fd7e01826a6d6e848a5 |
| User & Date: | peterreid 2013-02-09 05:36:16 |
Context
|
2013-02-10
| ||
| 04:06 | Add a few sqlite4_num tests. check-in: 6cc07d19e4 user: peterreid tags: num_work | |
|
2013-02-09
| ||
| 05:36 | Create sqlite4_num_isinf check-in: 555cdfbf52 user: peterreid tags: num_work | |
| 05:35 | Fix sqlite4_num_from_text in 0.000(many zeros)00123 case. check-in: 97728c04e8 user: peterreid tags: num_work | |
Changes
Changes to src/math.c.
211 212 213 214 215 216 217 218 219 220 221 222 223 224 |
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;
}
|
> > > > > > > |
211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 |
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 infinite. */ int sqlite4_num_isinf(sqlite4_num A){ return A.e>SQLITE4_MX_EXP && A.m!=0; } /* ** Test if A is NaN. */ int sqlite4_num_isnan(sqlite4_num A){ return A.e>SQLITE4_MX_EXP && A.m==0; } |