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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 | |
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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.
211 211 r.sign = A.sign ^ B.sign; 212 212 r.approx = A.approx | B.approx; 213 213 if( r.approx==0 && A.m%B.m!=0 ) r.approx = 1; 214 214 r.m = A.m/B.m; 215 215 r.e = A.e - B.e; 216 216 return r; 217 217 } 218 + 219 +/* 220 +** Test if A is infinite. 221 +*/ 222 +int sqlite4_num_isinf(sqlite4_num A){ 223 + return A.e>SQLITE4_MX_EXP && A.m!=0; 224 +} 218 225 219 226 /* 220 227 ** Test if A is NaN. 221 228 */ 222 229 int sqlite4_num_isnan(sqlite4_num A){ 223 230 return A.e>SQLITE4_MX_EXP && A.m==0; 224 231 }