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| Bug #1028 | wrong assumption of unary minus if it's preceded with space(s) | ||
|---|---|---|---|
| Submitted: | 2004-03-17 02:58 UTC | ||
| From: | weirdan at mail dot od dot ua | Assigned: | mszczytowski |
| Status: | Closed | Package: | Math_RPN |
| PHP Version: | Irrelevant | OS: | Irrelevant |
| Roadmaps: | (Not assigned) | ||
[2004-03-17 02:58 UTC] weirdan at mail dot od dot ua
Description:
------------
if the '-' operator is preceded with space(s) it's assumed to be unary minus for the following operand
Reproduce code:
---------------
$inputString="2 - 1";//note the spaces
include "RPN.php";
$rpn=new Math_RPN;
$rpn->calculate($inputString,'deg',false);
var_dump($rpn->getInputArray());
var_dump($rpn->getRpnArray());
Expected result:
----------------
expected output:
array(3) {
[0]=>
string(1) "2"
[1]=>
string(1) "-"
[2]=>
string(1) "1"
}
array(3) {
[0]=>
string(1) "2"
[1]=>
string(1) "1"
[2]=>
string(1) "-"
}
Actual result:
--------------
actual output:
error: Syntax error
array(4) {
[0]=>
string(1) "2"
[1]=>
string(2) "-1"
[2]=>
string(1) "*"
[3]=>
string(1) "1"
}
array(4) {
[0]=>
string(1) "2"
[1]=>
string(2) "-1"
[2]=>
string(1) "1"
[3]=>
string(1) "*"
}
Comments
[2004-07-11 22:35 UTC] User who submitted this comment has not confirmed identity
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[2004-07-12 20:16 UTC] User who submitted this comment has not confirmed identity
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