Merge pull request #288 from kevindavus/math-helpers

Math helpers

Author: doowb

lib/math.js

@@ -5,10 +5,9 @@ var utils = require('./utils');
 var helpers = module.exports;
 
 /**
- * Return the product of `a` plus `b`.
+ * Return the magnitude of `a`.
  *
  * @param {Number} `a`
- * @param {Number} `b`
  * @return {Number}
  * @api public
  */
@@ -21,7 +20,7 @@ helpers.abs = function(num) {
 };
 
 /**
- * Return the product of `a` plus `b`.
+ * Return the sum of `a` plus `b`.
  *
  * @param {Number} `a`
  * @param {Number} `b`
@@ -108,7 +107,7 @@ helpers.floor = function(num) {
 };
 
 /**
- * Return the product of `a` minus `b`.
+ * Return the difference of `a` minus `b`.
  *
  * @param {Number} `a`
  * @param {Number} `b`
@@ -146,7 +145,7 @@ helpers.modulo = function(a, b) {
 };
 
 /**
- * Multiply number `a` by number `b`.
+ * Return the product of `a` times `b`.
  *
  * @param {Number} `a` factor
  * @param {Number} `b` multiplier