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< > BotCompany Repo | #1029522 // compress30BitUint - converts to 1 through 4 bytes, uses big-endian

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

Libraryless. Click here for Pure Java version (2515L/16K).

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static byte[] compress30BitUint(int i) {
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  if (i < 0 || i >= 0x40000000) fail("Not a 30 bit uint: " + i);
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  if (i < 0x40)
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    ret new byte[] { (byte) i };
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  if (i < 0x4000)
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    ret new byte[] {
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      (byte) ((i >> 8) | 0x40),
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      (byte) i
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    };
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  if (i < 0x400000)
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    ret new byte[] {
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      (byte) ((i >> 16) | 0x80),
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      (byte) (i >> 8),
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      (byte) i
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    };
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  ret new byte[] {
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    (byte) ((i >> 24) | 0xC0),
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    (byte) (i >> 16),
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    (byte) (i >> 8),
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    (byte) i
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  };
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}

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Snippet ID: #1029522
Snippet name: compress30BitUint - converts to 1 through 4 bytes, uses big-endian
Eternal ID of this version: #1029522/1
Text MD5: 9b7189c50de8efdbf08a3e901d95c166
Transpilation MD5: d6d8eb3b2001c7ee1806ad35165a4ef7
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-08-17 16:48:29
Source code size: 500 bytes / 22 lines
Pitched / IR pitched: No / No
Views / Downloads: 171 / 245
Referenced in: [show references]