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• UnsafeUtils.java

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water.util.UnsafeUtils Maven / Gradle / Ivy

package water.util;

import sun.misc.Unsafe;
import water.nbhm.UtilUnsafe;

public class UnsafeUtils {
  private static final Unsafe _unsafe = UtilUnsafe.getUnsafe();
  private static final long _Bbase  = _unsafe.arrayBaseOffset(byte[].class);
  public static byte   get1 ( byte[] buf, int off ) { return _unsafe.getByte  (buf, _Bbase+off); }
  public static int    get2 ( byte[] buf, int off ) { return _unsafe.getShort (buf, _Bbase+off); }
  public static int    get4 ( byte[] buf, int off ) { return _unsafe.getInt   (buf, _Bbase+off); }
  public static long   get8 ( byte[] buf, int off ) { return _unsafe.getLong  (buf, _Bbase+off); }
  public static float  get4f( byte[] buf, int off ) { return _unsafe.getFloat (buf, _Bbase+off); }
  public static double get8d( byte[] buf, int off ) { return _unsafe.getDouble(buf, _Bbase+off); }

  public static int set1 (byte[] buf, int off, byte x )  {_unsafe.putByte  (buf, _Bbase+off, x); return 1;}
  public static int set2 (byte[] buf, int off, short x ) {_unsafe.putShort (buf, _Bbase+off, x); return 2;}
  public static int set4 (byte[] buf, int off, int x   ) {_unsafe.putInt   (buf, _Bbase+off, x); return 4;}
  public static int set4f(byte[] buf, int off, float f ) {_unsafe.putFloat (buf, _Bbase+off, f); return 4;}
  public static int set8 (byte[] buf, int off, long x  ) {_unsafe.putLong  (buf, _Bbase+off, x); return 8;}
  public static int set8d(byte[] buf, int off, double x) {_unsafe.putDouble(buf, _Bbase+off, x); return 8;}
}