Nothing
"are.parrevgum.valid" <-
function(para,nowarn=FALSE) {
if(! is.revgum(para)) return(FALSE)
if(any(is.na(para$para))) return(FALSE)
A <- para$para[2]
op <- options()
GO <- TRUE
if(nowarn == TRUE) options(warn=-1)
#if(A <= 0) {
# warning("Parameters are invalid")
# GO <- FALSE
#}
options(op)
if(GO) return(TRUE)
return(FALSE)
}
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