Package numpy.core

Class NDArrayUtil

java.lang.Object

numpy.core.NDArrayUtil

public class NDArrayUtil
extends Object

Method Summary

Modifier and Type	Method	Description
static List<?>	getContent(NDArray array)	Gets the payload of a one-dimensional array.
static List<?>	getContent(NDArray array, String key)	Gets the payload of the specified dimension of a multi-dimensional array.
static int[]	getShape(NDArray array)
static List<Object>	parseArray(InputStream is, Object descr, int length, Integer numpyArrayAlignmentBytes)
static Object	parseData(InputStream is, Object descr, Object[] shape)
static Object	parseData(InputStream is, Object descr, Object[] shape, Integer numpyArrayAlignmentBytes)
static Map<String,?>	parseDict(String string)
static List<Object[]>	parseMultiArray(InputStream is, List<Object> descrs, int length, Integer wSize, Integer numpyArrayAlignmentBytes)
static NDArray	parseNpy(InputStream is)	https://numpy.org/doc/stable/reference/generated/numpy.lib.format.html
static byte	readByte(InputStream is)
static double	readDouble(InputStream is, ByteOrder byteOrder)
static float	readFloat(InputStream is, ByteOrder byteOrder)
static int	readInt(InputStream is, ByteOrder byteOrder)
static long	readLong(InputStream is, ByteOrder byteOrder)
static Object	readObject(InputStream is)
static short	readShort(InputStream is, ByteOrder byteOrder)
static String	readString(InputStream is, int size)
static String	readUnicode(InputStream is, ByteOrder byteOrder, int size)
static int	readUnsignedByte(InputStream is)
static int	readUnsignedShort(InputStream is, ByteOrder byteOrder)
static NDArray	toArray(List<?> data)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getShape

public static int[] getShape(NDArray array)

getContent

public static List<?> getContent(NDArray array)

Gets the payload of a one-dimensional array.

getContent

public static List<?> getContent(NDArray array,
                                 String key)

Gets the payload of the specified dimension of a multi-dimensional array.

Parameters:

key - The dimension.

toArray

public static NDArray toArray(List<?> data)

parseNpy

public static NDArray parseNpy(InputStream is)
                        throws IOException

https://numpy.org/doc/stable/reference/generated/numpy.lib.format.html

Throws:

IOException

parseData

public static Object parseData(InputStream is,
                               Object descr,
                               Object[] shape)
                        throws IOException

Throws:

IOException

parseData

public static Object parseData(InputStream is,
                               Object descr,
                               Object[] shape,
                               Integer numpyArrayAlignmentBytes)
                        throws IOException

Throws:

IOException

parseArray

public static List<Object> parseArray(InputStream is,
                                      Object descr,
                                      int length,
                                      Integer numpyArrayAlignmentBytes)
                               throws IOException

Throws:

IOException

parseMultiArray

public static List<Object[]> parseMultiArray(InputStream is,
                                             List<Object> descrs,
                                             int length,
                                             Integer wSize,
                                             Integer numpyArrayAlignmentBytes)
                                      throws IOException

Throws:

IOException

parseDict

public static Map<String,?> parseDict(String string)

readByte

public static byte readByte(InputStream is)
                     throws IOException

Throws:

IOException

readUnsignedByte

public static int readUnsignedByte(InputStream is)
                            throws IOException

Throws:

IOException

readShort

public static short readShort(InputStream is,
                              ByteOrder byteOrder)
                       throws IOException

Throws:

IOException

readUnsignedShort

public static int readUnsignedShort(InputStream is,
                                    ByteOrder byteOrder)
                             throws IOException

Throws:

IOException

readInt

public static int readInt(InputStream is,
                          ByteOrder byteOrder)
                   throws IOException

Throws:

IOException

readLong

public static long readLong(InputStream is,
                            ByteOrder byteOrder)
                     throws IOException

Throws:

IOException

readFloat

public static float readFloat(InputStream is,
                              ByteOrder byteOrder)
                       throws IOException

Throws:

IOException

readDouble

public static double readDouble(InputStream is,
                                ByteOrder byteOrder)
                         throws IOException

Throws:

IOException

readObject

public static Object readObject(InputStream is)
                         throws IOException

Throws:

IOException

readString

public static String readString(InputStream is,
                                int size)
                         throws IOException

Throws:

IOException

readUnicode

public static String readUnicode(InputStream is,
                                 ByteOrder byteOrder,
                                 int size)
                          throws IOException

Throws:

IOException