Java Float Array Create toFloats(byte[] value, int offset, int num)

Description

to Floats

License

Apache License

Declaration

public static float[] toFloats(byte[] value, int offset, int num) 

Method Source Code

//package com.java2s;
/**//from  w w w . j  a  v  a  2  s.co  m
 * 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 {
    public static float[] toFloats(byte[] value, int offset, int num) {
        float[] values = new float[num];
        int idx = 0;
        for (int i = offset; i < offset + (num * 4); i += 4) {
            values[idx++] = getFloat(value, i);
        }
        return values;

    }

    public static float[] toFloats(byte[] value, int offset) {
        int length = getInt(value, offset);
        return toFloats(value, offset + 4, length);
    }

    public static float getFloat(final byte[] b, final int offset) {
        return Float.intBitsToFloat(getInt(b, offset));
    }

    public static int getInt(final byte[] b, final int offset) {
        return (b[offset + 0] & 0xFF) << 24 | (b[offset + 1] & 0xFF) << 16 | (b[offset + 2] & 0xFF) << 8
                | (b[offset + 3] & 0xFF) << 0;
    }
}

Related

1. toFloatArrays(double[][] arrays)
2. toFloatByObject(Object obj)
3. toFloatMatrix(int[][] m)
4. toFloatRawBits(int i)
5. toFloats(byte[] bytes)
6. toFloats(double[] d)
7. toFloats(final double[] array)
8. toFloats(Float[] values)
9. toFloats(Object[] extraArgs)