Method isNeg

src/jvm/clojure/lang/Numbers.java:900–905

(Number x)

	}

	public boolean isNeg(Number x){
		BigInt bx = toBigInt(x);
		if(bx.bipart == null)
			return bx.lpart < 0;
		return bx.bipart.signum() < 0;
	}

	final public Number add(Number x, Number y){
        return toBigInt(x).add(toBigInt(y));