bitCount - count set bits in BitSet, int or byte array [1019831]

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< > BotCompany Repo | #1019831 // bitCount - count set bits in BitSet, int or byte array

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

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static int bitCount(BitSet bs) {
  ret bs == null ? 0 : bs.cardinality();
}

static int bitCount(int i) {
  ret Integer.bitCount(i);
}

static int bitCount(byte[] array) {
  if (array == null) ret 0;
  int sum = 0;
  for (b : array)
    sum += bitCount(ubyteToInt(b));
  ret sum;
}

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Snippet ID:	#1019831
Snippet name:	bitCount - count set bits in BitSet, int or byte array
Eternal ID of this version:	#1019831/5
Text MD5:	2d6a634dfd22fd36476061820a000841
Transpilation MD5:	0af492a33b5142aa3cc1c37ad7a53296
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2022-08-23 15:04:51
Source code size:	295 bytes / 15 lines
Pitched / IR pitched:	No / No
Views / Downloads:	240 / 317
Version history:	4 change(s)
Referenced in:	[show references]

1	static int bitCount(BitSet bs) {
2	ret bs == null ? 0 : bs.cardinality();
3	}
4
5	static int bitCount(int i) {
6	ret Integer.bitCount(i);
7	}
8
9	static int bitCount(byte[] array) {
10	if (array == null) ret 0;
11	int sum = 0;
12	for (b : array)
13	sum += bitCount(ubyteToInt(b));
14	ret sum;
15	}