Re: Pi

[Karim BELABAS <Karim.Belabas@math.u-psud.fr>]

On Sun, 12 Jan 2003, Ralf Stephan wrote:
> The manual says (p.69) a copy of Pi is created on the heap for quicker
> computations next time the function is called. This does not seem
> to be true in 2.2.4 as with both \p 12000 and 12200, Pi needs about
> one second here (I know it's fast enough but the manual says it).

(12:36) gp > \p12000
   realprecision = 12002 significant digits (12000 digits displayed)
(12:36) gp > Pi;
time = 170 ms.
(12:36) gp > Pi;
time = 0 ms.
(12:36) gp > Pi;
time = 0 ms.

First call is "slow" [ compute Pi and cache it ], next ones are
instantaneous. What is your specific example ?

Cheers,

    Karim.
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Karim Belabas                    Tel: (+33) (0)1 69 15 57 48
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