forked from LupusNobilis/java-org.hwo
40 lines
508 B
Java
40 lines
508 B
Java
package org.hwo;
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public class Reverse {
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byte[] reverseTable;
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public Reverse()
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{
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reverseTable = new byte[256];
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buildReverseTable();
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}
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private void buildReverseTable()
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{
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for (short i=0;i<256;i++)
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{
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short in = i;
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byte out = 0;
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for (int n=0;n<8;n++)
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{
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out <<= 1;
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if ((in & 0x01)==0x01)
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out |= 0x01;
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in >>= 1;
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}
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reverseTable[in] = out;
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}
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}
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public byte reverse(byte in)
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{
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short s = Unsigned.byte2short(in);
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return reverseTable[s];
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}
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}
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