Displaying 4 results from an estimated 4 matches for "specfun".
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2007 Sep 13
2
Reciprocal Mill's Ratio
...I rather expected.
I wonder if anyone has dug out a function for the reciprocal Mill's
ratio out of the pnorm() code? Anticipating the obvious response I don't
believe that this would be one of the things I might be good at!
Murray Jorgensen
References
Cody, W. D. (1993)
Algorithm 715: SPECFUN ? A portable FORTRAN package of special function
routines and test drivers.
ACM Transactions on Mathematical Software 19, 22?32.
Cody, W. D. (1969)
Rational Chebyshev Approximations for the Error Function
Mathematics of Computation, Vol. 23, No. 107. (Jul., 1969), pp. 631-637.
2000 Oct 20
1
bug in pnorm (PR#699)
...h, which
was
pointed out in a second article published three years after the original.
The error was that a macro/variable named SIXTEN had a value of 1.6e0 instead of
the
correct 1.6e1 (that is, 16 not 1.6). The author of the code for R (Ross
Ithaka?)
must have worked from an outdated version of SPECFUN and not the corrected one
that
now appears in CALGO, STATLIB, et cetera.
There is a macro in pnorm.c (in the nmath directory) which looks like:
#define SIXTEN 1.6 /* Magic Cutoff */
It should be something like:
#define SIXTEN 16.0 /* Magic Cutoff */
I know this appears in R version 1.1.1. I know...
2004 Oct 10
1
Modified Bessel function (third kind)
Hi:
There is a Modified Bessel function (third kind,
real order) besselK in R. Is there a C version of this
function?
I can only find a Fortran function rkbesel on
http://www.netlib.org/specfun/. However, this rkbesel
fortran function is the second kind.
Thank you!
liu
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2009 Jan 24
1
[LLVMdev] -O4 limitations in llvm/llvm-gcc-4.2 2.5?
...build fails to link shared
libraries with errors such as...
Building xplor-nih for platform: Darwin_9_x86
[ -d /Users/howarth/xplor-nih-2.21/bin.Darwin_9_x86/ ] || mkdir /Users/howarth/xplor-nih-2.21/bin.Darwin_9_x86/
touch /Users/howarth/xplor-nih-2.21/bin.Darwin_9_x86/
for lib in libfft pppack specfun lapack blas; do \
(cd $lib; make XPLORNIH_ROOT=/Users/howarth/xplor-nih-2.21 \
ARCH=Darwin_9_x86 lib);\
done
[ -d bin.Darwin_9_x86 ] || mkdir bin.Darwin_9_x86
cd bin.Darwin_9_x86; make -f /Users/howarth/xplor-nih-2.21/fortlib/libfft/Makefile \
ARCH=Darwin_9_x86 S...