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< > BotCompany Repo | #1036047 // countDifferingBits - between 2 byte, int or long arrays

JavaX fragment (include) [tags: use-pretranspiled]

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static int countDifferingBits(byte[] array1, byte[] array2) {
  int n = array1.length;
  int diff = 0;
  for i to n:
    diff += Int.bitCount(ubyteToInt(array1[i])^ubyteToInt(array2[i]));
  ret diff;
}

static int countDifferingBits(int[] array1, int[] array2) {
  int n = array1.length;
  int diff = 0;
  for i to n:
    diff += Int.bitCount(array1[i]^array2[i]);
  ret diff;
}

static int countDifferingBits(long[] array1, long[] array2) {
  int n = array1.length;
  int diff = 0;
  for i to n:
    diff += Long.bitCount(array1[i]^array2[i]);
  ret diff;
}

// use sub-array of array2
static int countDifferingBits(long[] array1, long[] array2, int i1) {
  int n = array1.length;
  int diff = 0;
  for i to n:
    diff += Long.bitCount(array1[i]^array2[i1+i]);
  ret diff;
}

Author comment

Began life as a copy of #1035863

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Travelled to 2 computer(s): mqqgnosmbjvj, wnsclhtenguj

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Snippet ID: #1036047
Snippet name: countDifferingBits - between 2 byte, int or long arrays
Eternal ID of this version: #1036047/4
Text MD5: 23cfe248a6707ece5c899bc16f76da1d
Transpilation MD5: f033e894d7ce78c5a1dd0a9b9756c3f4
Author: stefan
Category: javax / bit ops
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-09-03 02:51:02
Source code size: 807 bytes / 32 lines
Pitched / IR pitched: No / No
Views / Downloads: 178 / 220
Version history: 3 change(s)
Referenced in: #1006654 - Standard functions list 2 (LIVE, continuation of #761)