Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
       3             :  *
       4             :  * This source code is subject to the terms of the BSD 2 Clause License and
       5             :  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
       6             :  * was not distributed with this source code in the LICENSE file, you can
       7             :  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
       8             :  * Media Patent License 1.0 was not distributed with this source code in the
       9             :  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
      10             :  */
      11             : 
      12             : #include <assert.h>
      13             : 
      14             : #include "./aom_dsp_rtcd.h"
      15             : 
      16           0 : uint64_t aom_sum_squares_2d_i16_c(const int16_t *src, int src_stride, int width,
      17             :                                   int height) {
      18             :   int r, c;
      19           0 :   uint64_t ss = 0;
      20             : 
      21           0 :   for (r = 0; r < height; r++) {
      22           0 :     for (c = 0; c < width; c++) {
      23           0 :       const int16_t v = src[c];
      24           0 :       ss += v * v;
      25             :     }
      26           0 :     src += src_stride;
      27             :   }
      28             : 
      29           0 :   return ss;
      30             : }
      31             : 
      32           0 : uint64_t aom_sum_squares_i16_c(const int16_t *src, uint32_t n) {
      33           0 :   uint64_t ss = 0;
      34             :   do {
      35           0 :     const int16_t v = *src++;
      36           0 :     ss += v * v;
      37           0 :   } while (--n);
      38             : 
      39           0 :   return ss;
      40             : }