Karim BELABAS on Tue, 14 Jan 2003 12:46:09 +0100 (MET) |
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Re: is this the right list for this question? |
On Mon, 13 Jan 2003, Ramón Casero Cañas wrote: > Karim BELABAS wrote: >> On Mon, 13 Jan 2003, Ramón Casero Cañas wrote: [...] >>> z = cgetg(3, t_INTMOD); >>> z[1] = (long)2; >>> z[2] = (long)1; >> >> >> Rather >> >> z[1] = lstoi(2); >> z[2] = lstoi(1); > > Um, what's lstoi()? I suppose everybody knows, but I haven't found it in > the User's Guide Index (neither 2.1.4, nor 2.2.4). As it has the `l', I > thought that maybe there's a `gstoi()', but there's none either. Is it a > C standard function? I do not remember any with that name, and a fast > search in google didn't show me any result. It's PARI specific, and stands for (long)stoi. You can use the ??? index query to quickly browse the manual from gp [ provided extended help is available ] ( of course, 'grep' serves the same purpose, with more flexibility, but it cant interepret TeX code on the fly ): (12:40) gp > ???stoi \\ so it's not referenced in Chapter 3. Let's try in the whole manual. (12:40) gp > ???stoi@ Chapter 4: ========== Conversions Chapter 5: ========== Assignments, conversions and integer parts \\ What does 'Conversion in Chapter 4' has to say about stoi ? (12:40) gp > ??Conversions@4 Conversions: The following functions convert C objects to PARI objects (creating them on the stack as usual): GEN stoi(long s): C long integer ("small") to PARI integer (t_INT) [...] Cheers, Karim. -- Karim Belabas Tel: (+33) (0)1 69 15 57 48 Dép. de Mathématiques, Bât. 425 Fax: (+33) (0)1 69 15 60 19 Université Paris-Sud Email: Karim.Belabas@math.u-psud.fr F-91405 Orsay (France) http://www.math.u-psud.fr/~belabas/ -- PARI/GP Home Page: http://www.parigp-home.de/