Karim BELABAS on Tue, 28 Apr 1998 14:48:41 +0200 |
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Re: Recursive plotting |
[Ilya:] > a) Documentation says that PARI uses min 15 points for graphing, but > analysis of the code says that it is 29 points. Since 15 looks like a right > value, one need to change RECUR_NUMPOINTS to 8, so that PARI uses 15 points > min. Done for 2.0.8 (later this week probably). > b) I think it is not yet late to change the meaning of flag 2 on the > opposite : if it is set, PARI will not use heuristics to speed up plotting. > One should value backward-compatibility, but with plotting precision does > not come first. I think it does for default use. The curves built recursively can vary drastically from the correct output. I'm leaving the flag as is (you can always define permanently a user function that behaves the way you like best). Karim. -- Karim Belabas e-mail: belabas@math.u-psud.fr Dep. de Mathematiques, Bat. 425 Universite Paris-Sud Tel: (33 1) 01 69 15 57 48 F-91405 ORSAY Fax: (33 1) 01 69 15 60 19