R/qneg.R

In rcdd: Computational Geometry

Defines functions qneg

Documented in qneg

qneg <- function(x) {

    if (! (is.numeric(x) || is.character(x)))
        stop("'x' not numeric or character")

    if (is.numeric(x))
        x <- d2q(x)

    .Call(C_qo, x, as.integer(1))
}

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