org.jf.util.NibbleUtils Maven / Gradle / Ivy
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package org.jf.util;
public abstract class NibbleUtils {
/**
* Extracts the high signed 4-bit nibble from the least significant
* byte of the given value
* @param value the value to extract the nibble from
* @return the extracted signed nibble value
*/
public static int extractHighSignedNibble(int value) {
return (value << 24) >> 28;
}
/**
* Extracts the low signed 4-bit nibble from the least significant
* byte of the given value
* @param value the value to extract the nibble from
* @return the extracted signed nibble value
*/
public static int extractLowSignedNibble(int value) {
return (value << 28) >> 28;
}
/**
* Extracts the high unsigned 4-bit nibble from the least significant
* byte of the given value
* @param value the value to extract the nibble from
* @return the extracted unsigned nibble value
*/
public static int extractHighUnsignedNibble(int value) {
return (value & 0xF0) >>> 4;
}
/**
* Extracts the low unsigned 4-bit nibble from the least significant
* byte of the given value
* @param value the value to extract the nibble from
* @return the extracted unsigned nibble value
*/
public static int extractLowUnsignedNibble(int value) {
return value & 0x0F;
}
}