var Node = require(“./node”),
Operation = require("./operation"), Dimension = require("./dimension");
var Negative = function (node) {
this.value = node;
}; Negative.prototype = new Node(); Negative.prototype.type = “Negative”; Negative.prototype.genCSS = function (context, output) {
output.add('-'); this.value.genCSS(context, output);
}; Negative.prototype.eval = function (context) {
if (context.isMathOn()) { return (new Operation('*', [new Dimension(-1), this.value])).eval(context); } return new Negative(this.value.eval(context));
}; module.exports = Negative;