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Overview
| Comment: | Fix sqlite4_num_to_text when formatting an integer with a negative exponent. It was leaving an uninitialized byte in the destination string. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | num_work |
| Files: | files | file ages | folders |
| SHA1: |
3cac6cdb864a4ecbdea82bc5441bc809 |
| User & Date: | peterreid 2013-02-14 01:51:45 |
Context
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2013-02-14
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| 15:32 | Fold in Peter Reid's fixes and enhancements to the sqlite4_num object. check-in: 8ede88c1df user: drh tags: trunk | |
| 01:51 | Fix sqlite4_num_to_text when formatting an integer with a negative exponent. It was leaving an uninitialized byte in the destination string. Leaf check-in: 3cac6cdb86 user: peterreid tags: num_work | |
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2013-02-11
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| 14:03 | Add test fixture functions for sqlite4_num_isinf and sqlite4_num_isnan, and some related test cases. check-in: 58a9cfcb39 user: peterreid tags: num_work | |
Changes
Changes to src/math.c.
497 497 zNum += m; 498 498 n -= m; 499 499 removeTrailingZeros(zNum, &n); 500 500 if( n>0 ){ 501 501 zOut[0] = '.'; 502 502 memcpy(zOut+1, zNum, n); 503 503 nOut += n; 504 + zOut[n+1] = 0; 505 + }else{ 506 + zOut[0] = 0; 504 507 } 505 - zOut[n+1] = 0; 506 508 return nOut; 507 509 } 508 510 if( x.e<0 && x.e >= -n-5 ){ 509 511 /* Values less than 1 and with no more than 5 subsequent zeros prior 510 512 ** to the first significant digit. Ex: 0.0000012345 */ 511 513 int j = -(n + x.e); 512 514 memcpy(zOut, "0.", 2);
Changes to test/num.test.
75 75 do_test num-5.1.1 { 76 76 sqlite4_num_to_text [sqlite4_num_mul 9 8] 77 77 } {72} 78 78 79 79 do_test num-6.1.1 { 80 80 sqlite4_num_to_text [sqlite4_num_div 6 5] 81 81 } {1.2} 82 - 83 - 84 - 85 - 82 +do_test num-6.1.2 { 83 + sqlite4_num_compare 2 [sqlite4_num_div 2 1] 84 +} {equal} 85 +do_test num-6.1.3 { 86 + sqlite4_num_to_text [sqlite4_num_div 2 1] 87 +} {2} 88 +do_test num-6.1.4 { 89 + sqlite4_num_to_text [sqlite4_num_div 22 10] 90 +} {2.2} 86 91 finish_test