Change old PRG to be SkLCGRandom; change new one to SkRandom

tests/Sk64Test.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "Test.h"
 #include "SkRandom.h"
 #include <math.h>
@@ skipping 57 matching lines @@
     b.set(6);
     c.set(-6);
     REPORTER_ASSERT(reporter, a != b && b != c && a != c);
     REPORTER_ASSERT(reporter, !(a == b) && !(a == b) && !(a == b));
     REPORTER_ASSERT(reporter, a < b && b > a && a <= b && b >= a);
     REPORTER_ASSERT(reporter, c < a && a > c && c <= a && a >= c);
     REPORTER_ASSERT(reporter, c < b && b > c && c <= b && b >= c);
 
     // Now test add/sub
 
-    SkMWCRandom    rand;
+    SkRandom    rand;
     int         i;
 
     for (i = 0; i < 1000; i++)
     {
         int aa = rand.nextS() >> 1;
         int bb = rand.nextS() >> 1;
         a.set(aa);
         b.set(bb);
         REPORTER_ASSERT(reporter, a.get32() == aa && b.get32() == bb);
         c = a; c.add(bb);
@@ skipping 105 matching lines @@
             SkDebugf(" %d === numer %g denom %g div %g xdiv %x fxdiv %x\n",
                      i, dnumer, ddenom, ddiv, dfixdiv, fixdiv);
         }
         REPORTER_ASSERT(reporter, SkAbs32(diff) <= 1);
     }
 #endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("Sk64", Sk64TestClass, TestSk64)