Nothing
MSS.snow <-
function (FUN.source, current.best, p.ndx.ls, f.d, sds.mx, k.glob, k.loc.coef, X = NULL) {
run.parallel <- run.parallel
sfClusterApplyLB <- sfClusterApplyLB
envmh <- environment(NULL)
GP <- GP
if(is.function(FUN.source)) {
FUN.source()
} else {
if (!is.null(FUN.source)) {
source(FUN.source)
}
}
FUN.GP <- FUN.GP
FUN.MH <- FUN.MH
FUN.I <- FUN.I
FUN.EXIT <- FUN.EXIT
if (is.na(current.best)) {
GP.mx <- matrix(GP, 1, length(GP))
if (!is.null(FUN.GP)) {
GP.mx <- FUN.GP(GP.mx)
}
current.best <- FUN.MH(1, GP.mx = GP.mx, X = X)
cat(current.best, "\n")
}
if (!is.null(k.glob)) {
for (k.times in 1:k.glob) {
cat(k.times, "\n")
for (p.ndx in p.ndx.ls) {
n.mh <- as.integer(k.loc.coef * 2^length(p.ndx))
GP.mx <- matrix(GP, n.mh, length(GP), byrow = TRUE)
for (ip in p.ndx) {
GP.mx[, ip] <- f.d[[ip]](n.mh, GP[ip], sds.mx[k.times,
ip])
}
if (!is.null(FUN.GP)) {
GP.mx <- FUN.GP(GP.mx)
}
if (run.parallel) {
sfOut <- sfClusterApplyLB(1:n.mh, FUN.MH, GP.mx = GP.mx,
X = X)
} else {
sfOut <- list()
for (jj in 1:n.mh) {
sfOut[[jj]] <- FUN.MH(jj, GP.mx = GP.mx,
X = X)
}
}
errs <- unlist(sfOut)
errs[is.na(errs)] <- Inf
errs[is.nan(errs)] <- Inf
best.ndx <- which(errs == min(errs))[1]
if (errs[best.ndx] < current.best) {
current.best <- errs[best.ndx]
GP <- GP.mx[best.ndx, , drop = TRUE]
#assign("current.best", current.best, envir = envmh)
#assign("current.best.GP", GP, envir = envmh)
current.best <<- current.best
current.best.GP <- GP
current.best.GP <<- current.best.GP
X <- FUN.I(envmh = envmh, X = X)
}
}
}
}
if (!is.null(FUN.EXIT)) {
FUN.EXIT(envmh = envmh, X = X)
}
#assign("GP", GP, pos = globalenv())
GP <<- GP
}
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