I suggest you use math_eval() - it's much more human friendly. The
following should work:
$var(neg) = "-6.135";
$var(neg_int) = $(var(neg){s.int});
math_eval("abs($var(neg_int))", "$var(result)");
OTOH, if you really want to use RPN, this will fix it:
math_rpn("abs $var(neg_int)", "$var(result)");
Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com
On 10.07.2017 13:55, xaled wrote:
Hi,
am I doing something wrong, or can math_rpn not handle negative values?
$var(neg) = "-6.135";
$var(neg_int) = $(var(neg){s.int});
math_rpn("$var(neg_int) abs", "$avp(result)");
2017-07-10T12:47:59.804008+02:00 fra-ivr01
/usr/local/sbin/opensips[10971]: DBG:mathops:w_evaluate_rpn:
Evaluating expression: -6 abs
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>
2017-07-10T12:47:59.804669+02:00 fra-ivr01
/usr/local/sbin/opensips[10971]: ERROR:mathops:evaluate_rpn: Failed to
parse RPN!
Thanks,
xaled
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