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From: <noreply@so...>  20021022 08:19:06

Bugs item #626760, was opened at 20021022 04:19 You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=626760&group_id=4933 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Stavros Macrakis (macrakis) Assigned to: Nobody/Anonymous (nobody) Summary: zeroequiv extremely slow (minor) Initial Comment: expr: LOG(x^2+SQRT(2)*x+1) LOG(x^2SQRT(2)*x+1) +2*ATAN((2*x+SQRT(2))/SQRT(2)) +2*ATAN((2*xSQRT(2))/SQRT(2)) +SQRT(2)*LOG(x+1) SQRT(2)*LOG(x1) 2*SQRT(2)*ATAN(1/x)$ zeroequiv(expr,x) takes over a minute, though it is not at all subtle how nonzero it is: rectform(expr),numer, ..., x=0.1 => 3.314.44i ..., x=0.9 => 6.394.44i ..., x=1.1 => 7.38 ..., x=1.5 => 6.38 ..., x=20 => 6.28 Zeroequiv is really supposed to be quick and dirty....  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=626760&group_id=4933 