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<p><tt>I suggest you use math_eval() - it's much more </tt><tt>human
friendly. <tt>The following</tt> should work:</tt>
</p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">$var(neg) = "-6.135";</span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">$var(neg_int) = $(var(neg){s.int});</span></p>
<span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">math_eval("abs($var(neg_int))", "$var(result)");<br>
<br>
<font color="#000000"><tt>O<tt>TOH</tt>, if you really want to use
<tt>RPN<tt>, this <tt>will fix it:</tt><tt><tt></tt></tt><br>
</tt></tt></tt></font></span><br>
<span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><font color="#000000"><tt><tt><tt><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">math_rpn("abs $var(neg_int)", <tt><font
color="#000000"></font></tt><tt><font
color="#000000">"</font></tt>$var(result)");</span><br>
</tt></tt></tt></font><br>
</span>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 10.07.2017 13:55, xaled wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">am I doing something wrong, or can math_rpn not
handle negative values?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">$var(neg) = "-6.135";<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">$var(neg_int) = $(var(neg){s.int});<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">math_rpn("$var(neg_int) abs", "$avp(result)");<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">2017-07-10T12:47:59.804008+02:00 fra-ivr01
/usr/local/sbin/opensips[10971]: DBG:mathops:w_evaluate_rpn:
Evaluating expression: -6 abs<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">2017-07-10T12:47:59.804339+02:00 fra-ivr01
/usr/local/sbin/opensips[10971]: WARNING:mathops:get_rpn_op:
Parse expr error: Invalid operator! <-6><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">2017-07-10T12:47:59.804669+02:00 fra-ivr01
/usr/local/sbin/opensips[10971]: ERROR:mathops:evaluate_rpn:
Failed to parse RPN!<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">xaled<o:p></o:p></span></p>
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