Michael Van Canneyt wrote:
On Thu, 21 Jul 2005, Agustin Barto wrote:
I'd like to use some scientific/math librearies like LAPACK and
GNU/GSL with fpc. I already know about h2pas and external subroutines
and variables, but I wanted to know if these methods will be able to
deal with libraries as complex as LAPACK (clapack obviously) and GSL.
Yes, it should work.
I have used (parts of) lapack without problems. You just need lots of
declarations like:
function dsytrd_(var uplo: Char; var n: Integer; var a: Double; var lda:
Integer; var d__: Double; var e: Double; var tau: Double; var work:
Double; var lwork: Integer; var info: Integer; uplo_len: Integer):
Integer; cdecl; external;
(It is possible to generate these semi-automatically with f2c)
and a {$LINKLIB lapack}
It may also be appropriate to override a few support routines, like the
error reporting routine.
Colin
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