create Direct Double Buffer - Java java.nio

Java examples for java.nio:DoubleBuffer

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Description

create Direct Double Buffer

Demo Code

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//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        double[] data = new double[] { 34.45, 35.45, 36.67, 37.78, 37.0000,
                37.1234, 67.2344, 68.34534, 69.87700 };
        System.out.println(createDirectDoubleBuffer(data));
    }

    public static java.nio.DoubleBuffer createDirectDoubleBuffer(
            double[] data) {
        if (data == null) {
            return null;
        }
        java.nio.DoubleBuffer buf = java.nio.ByteBuffer
                .allocateDirect((Double.SIZE / 8) * data.length)
                .order(java.nio.ByteOrder.nativeOrder()).asDoubleBuffer();
        buf.clear();
        buf.put(data);
        buf.flip();
        return buf;
    }
}

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