libvpx: Pull from upstream

source/libvpx/test/dct16x16_test.cc

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 302 matching lines @@
   }
 
   int tx_type_;
   void (*fwd_txfm)(int16_t*, int16_t*, uint8_t*, int, int);
   void (*inv_txfm)(int16_t*, int16_t*, uint8_t*, int, int);
 };
 
 TEST_P(FwdTrans16x16Test, AccuracyCheck) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());
   int max_error = 0;
-  double total_error = 0;
+  int total_error = 0;
   const int count_test_block = 10000;
   for (int i = 0; i < count_test_block; ++i) {
     DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 256);
     DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, 256);
     DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, 256);
     DECLARE_ALIGNED_ARRAY(16, uint8_t, src, 256);
 
     for (int j = 0; j < 256; ++j) {
       src[j] = rnd.Rand8();
       dst[j] = rnd.Rand8();
@@ skipping 81 matching lines @@
       const int diff = dst[j] - src[j];
       const int error = diff * diff;
       EXPECT_GE(1, error)
           << "Error: 16x16 IDCT has error " << error
           << " at index " << j;
     }
   }
 }
 
 }  // namespace