1 /*
2  *  Copyright (c) 2016 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "./vpx_dsp_rtcd.h"
12 
vpx_sum_squares_2d_i16_c(const int16_t * src,int stride,int size)13 uint64_t vpx_sum_squares_2d_i16_c(const int16_t *src, int stride, int size) {
14   int r, c;
15   uint64_t ss = 0;
16 
17   for (r = 0; r < size; r++) {
18     for (c = 0; c < size; c++) {
19       const int16_t v = src[c];
20       ss += v * v;
21     }
22     src += stride;
23   }
24 
25   return ss;
26 }
27