Package numpy.core

Class NDArrayUtil

  • public class NDArrayUtil
extends java.lang.Object

    • Method Summary

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

      • getContent

        public static java.util.List<?> getContent​(NDArray array,
                                           java.lang.String key)
        Gets the payload of the specified dimension of a multi-dimensional array.
        Parameters:
        key - The dimension.

      • toArray

        public static NDArray toArray​(java.util.List<?> data)

      • parseNpy

        public static NDArray parseNpy​(java.io.InputStream is)
                        throws java.io.IOException
        https://numpy.org/doc/stable/reference/generated/numpy.lib.format.html
        Throws:
        java.io.IOException

      • parseData

        public static java.lang.Object parseData​(java.io.InputStream is,
                                         java.lang.Object descr,
                                         java.lang.Object[] shape)
                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • parseData

        public static java.lang.Object parseData​(java.io.InputStream is,
                                         java.lang.Object descr,
                                         java.lang.Object[] shape,
                                         java.lang.Integer numpyArrayAlignmentBytes)
                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • parseArray

        public static java.util.List<java.lang.Object> parseArray​(java.io.InputStream is,
                                                          java.lang.Object descr,
                                                          int length,
                                                          java.lang.Integer numpyArrayAlignmentBytes)
                                                   throws java.io.IOException
        Throws:
        java.io.IOException

      • parseMultiArray

        public static java.util.List<java.lang.Object[]> parseMultiArray​(java.io.InputStream is,
                                                                 java.util.List<java.lang.Object> descrs,
                                                                 int length,
                                                                 java.lang.Integer wSize,
                                                                 java.lang.Integer numpyArrayAlignmentBytes)
                                                          throws java.io.IOException
        Throws:
        java.io.IOException

      • parseDict

        public static java.util.Map<java.lang.String,​?> parseDict​(java.lang.String string)

      • readByte

        public static byte readByte​(java.io.InputStream is)
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • readUnsignedByte

        public static int readUnsignedByte​(java.io.InputStream is)
                            throws java.io.IOException
        Throws:
        java.io.IOException

      • readShort

        public static short readShort​(java.io.InputStream is,
                              java.nio.ByteOrder byteOrder)
                       throws java.io.IOException
        Throws:
        java.io.IOException

      • readUnsignedShort

        public static int readUnsignedShort​(java.io.InputStream is,
                                    java.nio.ByteOrder byteOrder)
                             throws java.io.IOException
        Throws:
        java.io.IOException

      • readInt

        public static int readInt​(java.io.InputStream is,
                          java.nio.ByteOrder byteOrder)
                   throws java.io.IOException
        Throws:
        java.io.IOException

      • readLong

        public static long readLong​(java.io.InputStream is,
                            java.nio.ByteOrder byteOrder)
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • readFloat

        public static float readFloat​(java.io.InputStream is,
                              java.nio.ByteOrder byteOrder)
                       throws java.io.IOException
        Throws:
        java.io.IOException

      • readDouble

        public static double readDouble​(java.io.InputStream is,
                                java.nio.ByteOrder byteOrder)
                         throws java.io.IOException
        Throws:
        java.io.IOException

      • readObject

        public static java.lang.Object readObject​(java.io.InputStream is)
                                   throws java.io.IOException
        Throws:
        java.io.IOException

      • readString

        public static java.lang.String readString​(java.io.InputStream is,
                                          int size)
                                   throws java.io.IOException
        Throws:
        java.io.IOException

      • readUnicode

        public static java.lang.String readUnicode​(java.io.InputStream is,
                                           java.nio.ByteOrder byteOrder,
                                           int size)
                                    throws java.io.IOException
        Throws:
        java.io.IOException