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package org.paneris.bibliomania.fti; |
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3 | 0 | public class FivePacker { |
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private static long ulong(byte b) { |
5 | 0 | return b >= 0 ? (long)b : 256L + b; |
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} |
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public static long number_(byte[] bytes, int off) { |
9 | 0 | return ulong(bytes[off + 0]) << 32 | ulong(bytes[off + 1]) << 24 | |
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ulong(bytes[off + 2]) << 16 | ulong(bytes[off + 3]) << 8 | |
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ulong(bytes[off + 4]); |
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} |
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public static void set_(byte[] bytes, int offset, long number) { |
15 | 227 | bytes[offset ] = (byte)(number >> 32); |
16 | 227 | bytes[offset + 1] = (byte)(number >> 24); |
17 | 227 | bytes[offset + 2] = (byte)(number >> 16); |
18 | 227 | bytes[offset + 3] = (byte)(number >> 8); |
19 | 227 | bytes[offset + 4] = (byte) number ; |
20 | 227 | } |
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} |