Re: [fpc-pascal] Special math. functions (erf, erfc, ...)

2006-12-17 Thread Jeff Miller
This is slightly off-topic, but nonetheless somewhat relevant to these special math functions... Can anyone explain what is the precision of fpc's built-in math functions like sqrt, ln, exp, and so on? According to the online documentation, these take a ValReal argument and return a ValReal resu

[fpc-pascal] 2 Q on unexpected behaviour of FPC2.0.4

2006-12-17 Thread Hans MÃ¥rtensson
When making some windows program with FPC2.0.4 using sysutils, I encountered a few problems that I tracked down to some (by me) unexpected behaviour of the compiler. The documentation is not clear on these points. So may I ask if the following is intentional or rather some bug. Q1. When tryin

Re: [fpc-pascal] Special math. functions (erf, erfc, ...)

2006-12-17 Thread Johann Glaser
Hi! > The direct/inverse students' distribution and F-distribution are > in the sources stdtrl.c and fdtrl.c of the Moshier's ldouble C library: > > http://www.moshier.net/ldouble.zip > > You can read about Cochran and SNK methods in many books, also available > via web. A starting point for sta

Re: [fpc-pascal] Special math. functions (erf, erfc, ...)

2006-12-17 Thread astlab
Hi Hansi, > > I'm searching for FreePascal implementations of some special > > mathematical functions related to statistics like erf, erfc and some > > other cumulative probability functions. Did anybody implement such > > functions already (e.g. from the Numerical Recipies)? > > Some functions ar

Re: [fpc-pascal] unit inet... for resolving dns

2006-12-17 Thread lionel
ok i missed some thing RFC 1912 Common DNS Errors February 1996 Make sure your PTR and A records match. For every IP address, there should be a matching PTR record in the in-addr.arpa domain. If a host is multi-homed, (more than one IP address) make su