Re: [Rd] calling fortran functions CHOL and DPOTRF form Fortran

2005-07-05 Thread Douglas Bates
On 7/5/05, Gilles GUILLOT <[EMAIL PROTECTED]> wrote: > Hi all, > > I'm working out some Fortran code for which > I want to compute the Choleski decomposition of a covariance matrix > in Fortran. > > I tried to do it by two methods : > > 1) Calling the lapack function DPOTRF. > I can see the sour

[Rd] calling fortran functions CHOL and DPOTRF form Fortran

2005-07-05 Thread Gilles GUILLOT
Hi all, I'm working out some Fortran code for which I want to compute the Choleski decomposition of a covariance matrix in Fortran. I tried to do it by two methods : 1) Calling the lapack function DPOTRF. I can see the source code and check that my call is correct, but it does not compile with: