R/wholeNumeric.R

In admisc: Adrian Dusa's Miscellaneous

# Copyright (c) 2019 - 2023, Adrian Dusa
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`wholeNumeric` <- function(x, each = FALSE) {
    if (inherits(x, "haven_labelled") || inherits(x, "declared")) {
        return(Recall(unclass(x), each = each))
    }
    if (!possibleNumeric(x) & !each) {
        return(FALSE)
    }
    result <- logical(length(x))
    isna <- is.na(x)
    result[isna] <- NA
    if (all(isna) || is.logical(x)) {
        return(result)
    }
    x <- asNumeric(x)
    isnax <- is.na(x)
    result[!isna & isnax] <- FALSE
    isna <- isna | isnax
    x <- x[!isna]
    result[!isna] <- floor(x) == x
    if (each) {
        return(result)
    }
    return(all(result[!isna]))
}