complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/stylus/lib/functions/math.js

@@ -0,0 +1,17 @@
+var utils = require('../utils')
+  , nodes = require('../nodes');
+
+/**
+ * Apply Math `fn` to `n`.
+ *
+ * @param {Unit} n
+ * @param {String} fn
+ * @return {Unit}
+ * @api private
+ */
+
+module.exports = function math(n, fn){
+  utils.assertType(n, 'unit', 'n');
+  utils.assertString(fn, 'fn');
+  return new nodes.Unit(Math[fn.string](n.val), n.type);
+};