libvpx: Pull from upstream

source/libvpx/test/fdct4x4_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 118 matching lines @@
     EXPECT_TRUE(bias_acceptable)
         << "Error: 4x4 FDCT/FHT has a sign bias > 10%"
         << " for input range [-15, 15] at index " << j;
   }
 }
 
 TEST_P(FwdTrans4x4Test, RoundTripErrorCheck) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());
 
   int max_error = 0;
-  double total_error = 0;
+  int total_error = 0;
   const int count_test_block = 1000000;
   for (int i = 0; i < count_test_block; ++i) {
     DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 16);
     DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, 16);
     DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, 16);
     DECLARE_ALIGNED_ARRAY(16, uint8_t, src, 16);
 
     for (int j = 0; j < 16; ++j) {
       src[j] = rnd.Rand8();
       dst[j] = rnd.Rand8();
@@ skipping 31 matching lines @@
   EXPECT_GE(1, max_error)
       << "Error: FDCT/IDCT or FHT/IHT has an individual roundtrip error > 1";
 
   EXPECT_GE(count_test_block, total_error)
       << "Error: FDCT/IDCT or FHT/IHT has average "
       << "roundtrip error > 1 per block";
 }
 
 INSTANTIATE_TEST_CASE_P(VP9, FwdTrans4x4Test, ::testing::Range(0, 4));
 }  // namespace