Java Number Power pow2ByteIndex(final int x)

Here you can find the source of pow2ByteIndex(final int x)

Description

pow Byte Index

License

Apache License

Declaration

public static byte pow2ByteIndex(final int x) 

Method Source Code

//package com.java2s;
/*/*  w w w .j  a v a 2s  . c o  m*/
 * Copyright 2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    private static final byte[] BYTEPOW2 = new byte[] { 1, 2, 4, 8, 16, 32, 64 };

    public static byte pow2ByteIndex(final int x) {
        if (x < 0 || x > 7)
            throw new IllegalArgumentException(
                    "Unsupported Value [" + x + "]. Only supported for values between 0 and 30 inclusive");
        return BYTEPOW2[x];
    }
}

Related

  1. pow2(final int x)
  2. pow2(int c)
  3. pow2(int i)
  4. pow2(long x)
  5. Pow2(Object in, double val)
  6. pow3_strict(final float a)
  7. pow4(double val)
  8. pow9(final double x)
  9. powDecay(double x, double y)