Revert "Update Random to create a per-instance copy of the RNG"

This reverts commit 8a33cf0e7a57f8fe766034706d0230802788d1ff.

2 files changed, 3 insertions, 31 deletions

diff --git a/lib/random.js b/lib/random.js
index e38b5732..8dccf376 100644
--- a/lib/random.js
+++ b/lib/random.js
@@ -5,27 +5,15 @@ var mersenne = require('../vendor/mersenne');
  * @namespace faker.random
  */
 function Random (faker, seed) {
-  var gen = new mersenne.MersenneTwister19937();
-
   // Use a user provided seed if it exists
   if (seed) {
     if (Array.isArray(seed) && seed.length) {
-      gen.init_by_array(seed);
+      mersenne.seed_array(seed);
     }
     else {
-      gen.init_genrand(seed);
+      mersenne.seed(seed);
     }
   }
-
-  // Copied from the marsenne package for compatibility.
-  function rand(max, min) {
-    if (max === undefined) {
-      min = 0;
-      max = 32768;
-    }
-    return Math.floor(gen.genrand_real2() * (max - min) + min);
-  }
-
   /**
    * returns a single random number based on a max number or range
    *
@@ -60,7 +48,7 @@ function Random (faker, seed) {
     }
 
     var randomNumber = Math.floor(
-      rand(max / options.precision, options.min / options.precision));
+      mersenne.rand(max / options.precision, options.min / options.precision));
     // Workaround problem in Float point arithmetics for e.g. 6681493 / 0.01
     randomNumber = randomNumber / (1 / options.precision);
 
diff --git a/test/random.unit.js b/test/random.unit.js
index 9a573277..e10d36be 100644
--- a/test/random.unit.js
+++ b/test/random.unit.js
@@ -3,7 +3,6 @@ if (typeof module !== 'undefined') {
     var sinon = require('sinon');
     var _ = require('lodash');
     var faker = require('../index');
-    var Faker = require('../lib');
 }
 
 
@@ -190,19 +189,4 @@ describe("random.js", function () {
       assert.ok(hex.match(/^(0x)[0-9a-f]+$/i));
     })
   })
-
-  describe('independent', function() {
-
-    it('generates independent sequences', function () {
-      var faker1 = new Faker();
-      faker1.seed(1);
-
-      var faker2 = new Faker();
-      faker2.seed(1);
-
-      assert.equal(faker1.random.number(), faker2.random.number());
-    })
-
-  })
-
 });