signum() evaluation is too slow

• Subject: signum() evaluation is too slow
• From: Richard Hennessy
• Date: Fri, 29 Jan 2010 00:26:01 -0500

try:

(%i1) display2d:false;
(out1) false
(%i2) showtime:true;
Evaluation took 0.0000 seconds (0.0000 elapsed)
(out2) true
(%i3) signum(x^70799+x);
Evaluation took 45.5000 seconds (45.5000 elapsed)
(out3) signum(x^70799+x)
(%i5)

What is maxima doing here that takes so long?

Rich

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