The current version of PiFast is version 4.3, first released on July 05 2003, fixed on July 8 2003.
See the documentation file and the help file (click on the right button to download these files).
Download PiFast43 on windows : here.
Download PiFast33 on other platforms :
hpux 10.20 : | pifast_hp.gz | |
irix 6.2 : | pifast_irix.gz | |
aix 4.3.2 : | pifast_aix.gz |
Warning : unix platforms are known to have problems on the e computation in mode #1. The other modes work well.
The program was been written in 32 bit adressing space, so no more than 2 gig of memory should be used.
Other platforms (linux, sun, ...) are not available yet.
The source code of PiFast is not available.
All the collection of .pifast files that contains the data which permits to compute constants like log(2), z(3), p with artan formulas, etc, can be downloaded here :
Entire collection of .pifast files : userconstants.zip.
Alternatively, user constants files can be downloaded one-by-one the from the user constants page.