Thompson, M. and Neal, R. M. (2010) ``Covariance-adaptive slice sampling'', Technical Report No. 1002, Dept. of Statistics, University of Toronto, 17 pages: abstract, postscript, pdf.The program is in R (see the R project web site), with a Fortran routine from LINPACK. You need to download both the R file and the Fortran file below. Documentation is in comments at the start of the R file.
First release of 14 March 2010: R function, Fortran routine