1 files changed, 0 insertions, 74 deletions
diff --git a/files/source/compare_common.cc b/files/source/compare_common.cc
deleted file mode 100644
index d1cab8d2..00000000
--- a/files/source/compare_common.cc
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- *  Copyright 2012 The LibYuv 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.
- */
-
-#include "libyuv/basic_types.h"
-
-#include "libyuv/compare_row.h"
-
-#ifdef __cplusplus
-namespace libyuv {
-extern "C" {
-#endif
-
-// Hakmem method for hamming distance.
-uint32_t HammingDistance_C(const uint8_t* src_a,
-                           const uint8_t* src_b,
-                           int count) {
-  uint32_t diff = 0u;
-
-  int i;
-  for (i = 0; i < count - 3; i += 4) {
-    uint32_t x = *((const uint32_t*)src_a) ^ *((const uint32_t*)src_b);
-    uint32_t u = x - ((x >> 1) & 0x55555555);
-    u = ((u >> 2) & 0x33333333) + (u & 0x33333333);
-    diff += ((((u + (u >> 4)) & 0x0f0f0f0f) * 0x01010101) >> 24);
-    src_a += 4;
-    src_b += 4;
-  }
-
-  for (; i < count; ++i) {
-    uint32_t x = *src_a ^ *src_b;
-    uint32_t u = x - ((x >> 1) & 0x55);
-    u = ((u >> 2) & 0x33) + (u & 0x33);
-    diff += (u + (u >> 4)) & 0x0f;
-    src_a += 1;
-    src_b += 1;
-  }
-
-  return diff;
-}
-
-uint32_t SumSquareError_C(const uint8_t* src_a,
-                          const uint8_t* src_b,
-                          int count) {
-  uint32_t sse = 0u;
-  int i;
-  for (i = 0; i < count; ++i) {
-    int diff = src_a[i] - src_b[i];
-    sse += (uint32_t)(diff * diff);
-  }
-  return sse;
-}
-
-// hash seed of 5381 recommended.
-// Internal C version of HashDjb2 with int sized count for efficiency.
-uint32_t HashDjb2_C(const uint8_t* src, int count, uint32_t seed) {
-  uint32_t hash = seed;
-  int i;
-  for (i = 0; i < count; ++i) {
-    hash += (hash << 5) + src[i];
-  }
-  return hash;
-}
-
-#ifdef __cplusplus
-}  // extern "C"
-}  // namespace libyuv
-#endif