本文整理了Java中java.lang.Double.longBitsToDouble()
方法的一些代码示例,展示了Double.longBitsToDouble()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Double.longBitsToDouble()
方法的具体详情如下:
包路径:java.lang.Double
类名称:Double
方法名:longBitsToDouble
[英]Returns the IEEE 754 double precision float corresponding to the given bits.
[中]返回与给定位对应的IEEE 754双精度浮点。
代码示例来源:origin: google/guava
/**
* Gets the current value.
*
* @return the current value
*/
public final double get() {
return longBitsToDouble(value);
}
代码示例来源:origin: google/guava
static double scaleNormalize(double x) {
long significand = doubleToRawLongBits(x) & SIGNIFICAND_MASK;
return longBitsToDouble(significand | ONE_BITS);
}
代码示例来源:origin: google/guava
/**
* Atomically sets to the given value and returns the old value.
*
* @param newValue the new value
* @return the previous value
*/
public final double getAndSet(double newValue) {
long next = doubleToRawLongBits(newValue);
return longBitsToDouble(updater.getAndSet(this, next));
}
代码示例来源:origin: google/guava
/**
* Gets the current value at position {@code i}.
*
* @param i the index
* @return the current value
*/
public final double get(int i) {
return longBitsToDouble(longs.get(i));
}
代码示例来源:origin: google/guava
/**
* Atomically sets the element at position {@code i} to the given value and returns the old value.
*
* @param i the index
* @param newValue the new value
* @return the previous value
*/
public final double getAndSet(int i, double newValue) {
long next = doubleToRawLongBits(newValue);
return longBitsToDouble(longs.getAndSet(i, next));
}
代码示例来源:origin: apache/incubator-dubbo
/**
* Parses a 64-bit double value from the stream.
* <p>
* <pre>
* b64 b56 b48 b40 b32 b24 b16 b8
* </pre>
*/
private double parseDouble()
throws IOException {
long bits = parseLong();
return Double.longBitsToDouble(bits);
}
代码示例来源:origin: netty/netty
/**
* Gets a 64-bit floating point number at the current {@code readerIndex}
* in Little Endian Byte Order and increases the {@code readerIndex}
* by {@code 8} in this buffer.
*
* @throws IndexOutOfBoundsException
* if {@code this.readableBytes} is less than {@code 8}
*/
public double readDoubleLE() {
return Double.longBitsToDouble(readLongLE());
}
代码示例来源:origin: netty/netty
@Override
public double getDouble(int index) {
return Double.longBitsToDouble(getLong(index));
}
代码示例来源:origin: netty/netty
@Override
public double readDouble() throws IOException {
return Double.longBitsToDouble(readLong());
}
代码示例来源:origin: netty/netty
@Override
public double getDouble(int index) {
return Double.longBitsToDouble(getLong(index));
}
代码示例来源:origin: netty/netty
/**
* Gets a 64-bit floating point number at the specified absolute
* {@code index} in this buffer in Little Endian Byte Order.
* This method does not modify {@code readerIndex} or
* {@code writerIndex} of this buffer.
*
* @throws IndexOutOfBoundsException
* if the specified {@code index} is less than {@code 0} or
* {@code index + 8} is greater than {@code this.capacity}
*/
public double getDoubleLE(int index) {
return Double.longBitsToDouble(getLongLE(index));
}
代码示例来源:origin: netty/netty
@Override
public final double getDouble(int index) {
return Double.longBitsToDouble(getLong(index));
}
代码示例来源:origin: netty/netty
@Override
public double readDouble() {
return Double.longBitsToDouble(readLong());
}
代码示例来源:origin: commons-io/commons-io
/**
* Reads a "double" value from an InputStream. The value is
* converted to the opposed endian system while reading.
* @param input source InputStream
* @return the value just read
* @throws IOException in case of an I/O problem
*/
public static double readSwappedDouble(final InputStream input)
throws IOException
{
return Double.longBitsToDouble( readSwappedLong( input ) );
}
代码示例来源:origin: google/guava
/**
* Reads a {@code double} as specified by {@link DataInputStream#readDouble()}, except using
* little-endian byte order.
*
* @return the next eight bytes of the input stream, interpreted as a {@code double} in
* little-endian byte order
* @throws IOException if an I/O error occurs
*/
@CanIgnoreReturnValue // to skip some bytes
@Override
public double readDouble() throws IOException {
return Double.longBitsToDouble(readLong());
}
代码示例来源:origin: google/guava
private void initializeData(DataOutputStream out) throws IOException {
/* Write out various test values NORMALLY */
out.write(new byte[] {-100, 100});
out.writeBoolean(true);
out.writeBoolean(false);
out.writeByte(100);
out.writeByte(-100);
out.writeByte((byte) 200);
out.writeChar('a');
out.writeShort((short) -30000);
out.writeShort((short) 50000);
out.writeInt(0xCAFEBABE);
out.writeLong(0xDEADBEEFCAFEBABEL);
out.writeUTF("Herby Derby");
out.writeFloat(Float.intBitsToFloat(0xCAFEBABE));
out.writeDouble(Double.longBitsToDouble(0xDEADBEEFCAFEBABEL));
}
代码示例来源:origin: google/guava
public void testDouble() {
TestHasher hasher = new TestHasher();
hasher.putDouble(Double.longBitsToDouble(0x0807060504030201L));
hasher.assertBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
}
代码示例来源:origin: google/guava
public void testNewDataInput_readDouble() {
byte[] data = {0x12, 0x34, 0x56, 0x78, 0x76, 0x54, 0x32, 0x10};
ByteArrayDataInput in = ByteStreams.newDataInput(data);
assertEquals(Double.longBitsToDouble(0x1234567876543210L), in.readDouble(), 0.0);
}
代码示例来源:origin: google/guava
public void testNewDataOutput_writeDouble() {
ByteArrayDataOutput out = ByteStreams.newDataOutput();
out.writeDouble(Double.longBitsToDouble(0x1234567876543210L));
assertEquals(bytes, out.toByteArray());
}
代码示例来源:origin: google/guava
public void testDouble() {
Sink sink = new Sink(8);
sink.putDouble(Double.longBitsToDouble(0x0807060504030201L));
HashCode unused = sink.hash();
sink.assertInvariants(8);
sink.assertBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
}
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