|Bill Allombert on Thu, 6 Jun 2002 15:31:40 +0200|
[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]
|Re: lex() feature|
On Sat, Jun 01, 2002 at 06:52:33PM +0100, Jon Perry wrote: > Is pi(n) a Pari/GP feature? (count number of primes to n)? > > I came up with: > > pi(n)=local(i,pic);pic=0;forprime (i=1,n,pic++);pic; > > but I would have thought this would have been a Pari standard. In the development version 2.2.x you can do install("pith","L",pi) to get the same function, only faster. It is not yet in GP, mainly because I am not sure how to name it. Having both pi and Pi is confusing, especially since old GP was case insensitive. Cheers, Bill.