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#' @import utils
#'
.onLoad <- function(libname, pkgname) {
assign("s", NULL, envir=parent.env(environment()))
globalVariables("s")
}
#' @import rscala commonsMath
#'
scalaEnsure <- function() {
if ( ! is.null(s) ) return()
commonsMath:::.packageName # So CRAN checks recognize that its being used.
s <- scala("commonsMath")
scalaLazy(function(s) s + '
import org.apache.commons.math3.random.{ RandomDataGenerator => RDG }
import org.ddahl.matrix._
import org.ddahl.aibd.{FeatureAllocation => FA}
import org.ddahl.aibd.distribution._
import org.ddahl.aibd.model.lineargaussian.{LinearGaussianLatentFeatureModel => LGLFM, _}
def rdg() = {
val ints = R.evalI1("runif(2,-.Machine$integer.max,.Machine$integer.max)")
val seed = ((ints(0).asInstanceOf[Long]) << 32) | (ints(1) & 0xffffffffL)
val r = new RDG()
r.reSeed(seed)
r
}
')
env <- parent.env(environment())
# unlockBinding("s", env)
eval(parse(text=paste0('unlockBinding("s",env)')))
assign("s", s, envir=env)
lockBinding("s", env)
}
.onUnload <- function(libpath) {
if ( ! is.null(s) ) close(s)
}
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