Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Math Forum
»
Discussions
»
sci.math.*
»
sci.math
Notice: We are no longer accepting new posts, but the forums will continue to be readable.
Topic:
PARI/gp wins my Riemann zeta speed contest, so far
Replies:
9
Last Post:
Feb 15, 2013 10:43 PM




Re: PARI/gp wins my Riemann zeta speed contest, so far
Posted:
Jan 21, 2013 12:56 AM


On 01/21/2013 12:52 AM, David Bernier wrote: > On 01/21/2013 12:42 AM, James Waldby wrote: >> On Mon, 21 Jan 2013 00:23:08 0500, David Bernier wrote: >> >>> I had done my own Riemann zeta computations with Bernoulli numbers, >> [big snip] >>> 3 hours and 34 minutes for 20017 significant digits >>> near 1/2 + i*14.134725141734693790457251983562470270784257 >> ... >> >> >>> On PARIgp, I'm trying to get the readline library included. >>> That means backspace reprints the previous query, etc. >> >> I assume you use a Linux x86_64 operating system; what >> distribution is it? Did you install PARIgp from a package, >> or compile it? PARIgp as packaged with Ubuntu uses readline >> automatically. However, it is uparrow rather than backspace >> that moves through previous queries. Library files include >> /lib/x86_64linuxgnu/libreadline.so.6 and >> /lib/x86_64linuxgnu/libreadline.so.6.2 . >> > > I downloaded a tarball, and did the install on CentOS 6.3, > a Red Hat Ent. Linux clone, minus branding. > > > I remember "loadable modules", that can be arranged > with ldconfig and the *so* "loadable modules" or > "plugins" directories and files. > > > > CentOS 6.3 , 64bit version. > > I installed from source. > > intro. message: > $ gp > GP/PARI CALCULATOR Version 2.5.3 (released) > amd64 running linux (x8664/GMP5.0.5 kernel) 64bit version > compiled: Dec 27 2012, gcc4.4.6 20120305 (Red Hat 4.4.64) (GCC) > (readline not compiled in, extended help enabled) > > UpKey doesn't work. > > David Bernier >
Many web recommendations include doing this as root:
# yum install readlinedevel
dave



