> On 12 Sep 2019, at 10:36, Serguei Sokol <so...@insa-toulouse.fr> wrote:
>
> On 11/09/2019 21:38, Berend Hasselman wrote:
>> The Lapack library is loaded automatically by R itself when it needs it for
>> doing some calculation.
>> You can force it to do that with a (dummy) solve for example.
>> Put this at start of your script:
>>
>> <code>
>> # dummy code to get LAPACK library loaded
>> X1 <- diag(2,2)
>> x1 <- rep(2,2)
>> # X1;x1
>> z <- solve(X1,x1)
>> </code>
> another way is to use directly dyn.load():
>
> lapack.path <- paste0(file.path(R.home(), ifelse(.Platform$OS.type ==
> "windows",
> file.path("bin", .Platform$r_arch, "Rlapack"), file.path("lib",
> "libRlapack"))),
> .Platform$dynlib.ext)
> dyn.load(lapack.path)
This will not work on macOS.
The extension for dynamic libraries is .dylib.
So you would need
lapack.path <- paste0(file.path(R.home(), ifelse(.Platform$OS.type == "windows",
file.path("bin", .Platform$r_arch, "Rlapack"), file.path("lib",
"libRlapack"))),
".dylib")
See the help for .Platform and dyn.load for the details for macOS.
Berend
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