Function sign

src/traces/bar/plot.js:40–42

(v)

// Returns -1 if v < 0, 1 if v > 0, and 0 if v == 0
function sign(v) {
    return (v > 0) - (v < 0);
}

// Returns 1 if a < b and -1 otherwise
// (For the purposes of this module we don't care about the case where a == b)