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Overview
Comment:Fix comments on the OP_Divide and OP_Remainder operators, especially the "Synopsis:" comment, so that they agree with the actual implementation.
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SHA1:cc17f1f05f15e9c62659a49c0656ff2b667bf701
User & Date: drh 2013-11-15 18:58:37
Context
2013-11-16
12:56
Fix testcase misc7-16 so that it works with the new UNIQUE constraint error message format. check-in: c7f2ed9f user: drh tags: trunk
2013-11-15
19:00
Merge the operator comment fixes from trunk. check-in: 9f14f55c user: drh tags: expr-codegen-enhancement
18:58
Fix comments on the OP_Divide and OP_Remainder operators, especially the "Synopsis:" comment, so that they agree with the actual implementation. check-in: cc17f1f0 user: drh tags: trunk
13:12
Add the --query option to the wordcount test program. check-in: 5960d11e user: drh tags: trunk
Changes
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Changes to src/vdbe.c.

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** Synopsis:  r[P3]=r[P2]-r[P1]
**
** Subtract the value in register P1 from the value in register P2
** and store the result in register P3.
** If either input is NULL, the result is NULL.
*/
/* Opcode: Divide P1 P2 P3 * *
** Synopsis:  r[P3]=r[P1]/r[P2]
**
** Divide the value in register P1 by the value in register P2
** and store the result in register P3 (P3=P2/P1). If the value in 
** register P1 is zero, then the result is NULL. If either input is 
** NULL, the result is NULL.
*/
/* Opcode: Remainder P1 P2 P3 * *
** Synopsis:  r[P3]=r[P1]%r[P2]
**
** Compute the remainder after integer division of the value in
** register P1 by the value in register P2 and store the result in P3. 
** If the value in register P2 is zero the result is NULL.
** If either operand is NULL, the result is NULL.
*/
case OP_Add:                   /* same as TK_PLUS, in1, in2, out3 */
case OP_Subtract:              /* same as TK_MINUS, in1, in2, out3 */
case OP_Multiply:              /* same as TK_STAR, in1, in2, out3 */
case OP_Divide:                /* same as TK_SLASH, in1, in2, out3 */
case OP_Remainder: {           /* same as TK_REM, in1, in2, out3 */







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** Synopsis:  r[P3]=r[P2]-r[P1]
**
** Subtract the value in register P1 from the value in register P2
** and store the result in register P3.
** If either input is NULL, the result is NULL.
*/
/* Opcode: Divide P1 P2 P3 * *
** Synopsis:  r[P3]=r[P2]/r[P1]
**
** Divide the value in register P1 by the value in register P2
** and store the result in register P3 (P3=P2/P1). If the value in 
** register P1 is zero, then the result is NULL. If either input is 
** NULL, the result is NULL.
*/
/* Opcode: Remainder P1 P2 P3 * *
** Synopsis:  r[P3]=r[P2]%r[P1]
**
** Compute the remainder after integer register P2 is divided by 
** register P1 and store the result in register P3. 
** If the value in register P1 is zero the result is NULL.
** If either operand is NULL, the result is NULL.
*/
case OP_Add:                   /* same as TK_PLUS, in1, in2, out3 */
case OP_Subtract:              /* same as TK_MINUS, in1, in2, out3 */
case OP_Multiply:              /* same as TK_STAR, in1, in2, out3 */
case OP_Divide:                /* same as TK_SLASH, in1, in2, out3 */
case OP_Remainder: {           /* same as TK_REM, in1, in2, out3 */