public static float toFloat(byte[] bytes, int offset) {
    return Float.intBitsToFloat(toInt(bytes, offset, SIZEOF_INT));
  }
Put a float value out to the specified byte array position. Presumes float encoded as IEEE 754
floating-point "single format"
@param bytes  array to convert
@param offset offset into array
@return Float made from passed byte array.
hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java