org.nd4j.linalg.factory.Nd4j.getShapeInfoProvider()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中org.nd4j.linalg.factory.Nd4j.getShapeInfoProvider()方法的一些代码示例，展示了Nd4j.getShapeInfoProvider()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。Nd4j.getShapeInfoProvider()方法的具体详情如下：
包路径：org.nd4j.linalg.factory.Nd4j
类名称：Nd4j
方法名：getShapeInfoProvider

Nd4j.getShapeInfoProvider介绍

暂无

代码示例

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setShapeAndStride(int[] shape, int[] stride) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, 0, -1, ordering()));
  4. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseNDArray(float[] data, long[] shape, long[] stride, long offset, char ordering) {
  2.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, offset,
  3.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  4.   if (data != null && data.length > 0) {
  5.     this.data = Nd4j.createBuffer(data, offset);
  6.     if (offset >= data.length)
  7.       throw new IllegalArgumentException("invalid offset: must be < data.length");
  8.   }
  9.   init(shape, stride);
  10. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseNDArray(double[] data, long[] shape, long[] stride, long offset, char ordering) {
  2.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, offset,
  3.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  4.   if (data != null && data.length > 0) {
  5.     this.data = Nd4j.createBuffer(data, offset);
  6.     if (offset >= data.length)
  7.       throw new IllegalArgumentException("invalid offset: must be < data.length");
  8.   }
  9.   init(shape, stride);
  10. }

代码示例来源：origin: deeplearning4j/nd4j

  1. private static DataBuffer getIm2ColShape(INDArray img, int kernelHeight, int kernelWidth, int outHeight, int outWidth) {
  2.   //number of images
  3.   long n = img.size(0);
  4.   //number of channels (depth)
  5.   long c = img.size(1);
  6.   return Nd4j.getShapeInfoProvider().createShapeInformation(new long[] {n, c,  kernelHeight, kernelWidth, outHeight, outWidth}, 'c').getFirst();
  7. }

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setShape(long[] shape) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride(), 0, elementWiseStride(), ordering()));
  4. }

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setOrder(char order) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape(), stride(), 0,
  4.       elementWiseStride(), order));
  5. }

代码示例来源：origin: deeplearning4j/nd4j

  1. /**
  2.  *
  3.  * @param buffer
  4.  */
  5. public BaseNDArray(DataBuffer buffer) {
  6.   this.data = buffer;
  7.   if (buffer.length() >= Integer.MAX_VALUE)
  8.     throw new IllegalArgumentException("Length of buffer can not be >= Integer.MAX_VALUE");
  9.   int[] shape = {1, (int) buffer.length()};
  10.   int[] stride = Nd4j.getStrides(shape);
  11.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, 0, 1, Nd4j.order()));
  12.   init(shape, stride);
  13. }

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setStride(long[] stride) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape(), stride, 0, elementWiseStride(), ordering()));
  4. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseNDArray(long newRows, long newColumns, char ordering) {
  2.   this.data = Nd4j.createBuffer((long) newRows * newColumns);
  3.   long[] shape = new long[] {newRows, newColumns};
  4.   long[] stride = Nd4j.getStrides(shape, ordering);
  5.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, 0,
  6.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  7.   init(shape, stride);
  8. }

代码示例来源：origin: deeplearning4j/nd4j

  1. /**
  2.  * This method creates compressed INDArray from Java double array, skipping usual INDArray instantiation routines
  3.  *
  4.  * @param data
  5.  * @param shape
  6.  * @param order
  7.  * @return
  8.  */
  9. @Override
  10. public INDArray compress(double[] data, int[] shape, char order) {
  11.   DoublePointer pointer = new DoublePointer(data);
  12.   DataBuffer shapeInfo = Nd4j.getShapeInfoProvider().createShapeInformation(shape, order).getFirst();
  13.   DataBuffer buffer = compressPointer(DataBuffer.TypeEx.DOUBLE, pointer, data.length, 8);
  14.   return Nd4j.createArrayFromShapeBuffer(buffer, shapeInfo);
  15. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseSparseNDArrayCOO(DataBuffer values, DataBuffer indices, DataBuffer sparseInformation, int[] shape) {
  2.   this.values = Nd4j.createBuffer(values, 0, values.length());
  3.   this.indices = indices;
  4.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape));
  5.   init(shape);
  6.   this.sparseInformation = sparseInformation;
  7.   this.length = countNNZ();
  8. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseNDArray(DataBuffer buffer, long[] shape, long[] stride, long offset, char ordering) {
  2.   this.data = offset > 0 ? Nd4j.createBuffer(buffer, offset, ArrayUtil.prodLong(shape)) : buffer;
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, offset,
  4.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  5.   init(shape, stride);
  6.   // Shape.setElementWiseStride(this.shapeInfo(),Shape.elementWiseStride(shape, stride, ordering == 'f'));
  7. }

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setStride(int[] stride) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape(), ArrayUtil.toLongArray(stride), 0, elementWiseStride(), ordering()));
  4. }

代码示例来源：origin: deeplearning4j/nd4j

  1. @Override
  2. public void setShape(int[] shape) {
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(ArrayUtil.toLongArray(shape), stride(), 0, elementWiseStride(), ordering()));
  4. }

代码示例来源：origin: deeplearning4j/nd4j

  1. /**
  2.  * Creates a new <i>n</i> times <i>m</i> <tt>DoubleMatrix</tt>.
  3.  *
  4.  * @param newRows    the number of rows (<i>n</i>) of the new matrix.
  5.  * @param newColumns the number of columns (<i>m</i>) of the new matrix.
  6.  */
  7. public BaseNDArray(int newRows, int newColumns, char ordering) {
  8.   this.data = Nd4j.createBuffer((long) newRows * newColumns);
  9.   int[] shape = new int[] {newRows, newColumns};
  10.   int[] stride = Nd4j.getStrides(shape, ordering);
  11.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, 0,
  12.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  13.   init(shape, stride);
  14. }

代码示例来源：origin: deeplearning4j/nd4j

  1. /**
  2.  *
  3.  * @param buffer
  4.  * @param shape
  5.  * @param stride
  6.  * @param offset
  7.  * @param ordering
  8.  */
  9. public BaseNDArray(DataBuffer buffer, int[] shape, int[] stride, long offset, char ordering) {
  10.   this.data = offset > 0 ? Nd4j.createBuffer(buffer, offset, ArrayUtil.prodLong(shape)) : buffer;
  11.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, offset,
  12.       Shape.elementWiseStride(shape, stride, ordering == 'f'), ordering));
  13.   init(shape, stride);
  14.   // Shape.setElementWiseStride(this.shapeInfo(),Shape.elementWiseStride(shape, stride, ordering == 'f'));
  15. }

代码示例来源：origin: deeplearning4j/nd4j

  1. /**
  2.  *
  3.  * @param data
  4.  * @param shape
  5.  * @param stride
  6.  * @param offset
  7.  */
  8. public BaseNDArray(DataBuffer data, int[] shape, int[] stride, long offset) {
  9.   this.data = Nd4j.createBuffer(data, offset, ArrayUtil.prodLong(shape));
  10.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape, stride, offset, Shape.elementWiseStride(shape, stride, Nd4j.order() == 'f'), Nd4j.order()));
  11.   init(shape, stride);
  12.   //  Shape.setElementWiseStride(this.shapeInfo(),Shape.elementWiseStride(shape, stride, Nd4j.order() == 'f'));
  13. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseSparseNDArrayCOO(float[] values, int[][] indices, int[] shape) {
  2.   checkArgument(values.length == indices.length);
  3.   checkArgument(values.length == 0 || indices[0].length == shape.length);
  4.   this.values = Nd4j.createBuffer(values);
  5.   this.indices = Nd4j.createBuffer(ArrayUtil.flatten(indices));
  6.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape));
  7.   init(shape);
  8.   this.length = values.length;
  9.   int[] flags = new int[rank()];
  10.   long[] sparseOffsets = new long[rank()];
  11.   int[] hiddenDimension = new int[] {-1};
  12.   this.sparseInformation = Nd4j.getSparseInfoProvider().createSparseInformation(flags, sparseOffsets,
  13.           hiddenDimension, rank());
  14. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseSparseNDArrayCOO(DataBuffer values, DataBuffer indices, int[] shape) {
  2.   checkArgument(values.length() * shape.length == indices.length());
  3.   this.values = Nd4j.createBuffer(values, 0, values.length());
  4.   this.indices = indices;
  5.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape));
  6.   init(shape);
  7.   this.length = values.length();
  8.   int[] flags = new int[rank()];
  9.   long[] sparseOffsets = new long[rank()];
  10.   int[] hiddenDimension = new int[] {-1};
  11.   this.sparseInformation = Nd4j.getSparseInfoProvider().createSparseInformation(flags, sparseOffsets,
  12.           hiddenDimension, rank());
  13. }

代码示例来源：origin: deeplearning4j/nd4j

  1. public BaseSparseNDArrayCSR(DataBuffer data, int[] columnsPointers, int[] pointerB, int[] pointerE, int[] shape) {
  2.   checkArgument(pointerB.length == pointerE.length);
  3.   setShapeInformation(Nd4j.getShapeInfoProvider().createShapeInformation(shape));
  4.   init(shape);
  5.   this.values = data;
  6.   this.columnsPointers = Nd4j.getDataBufferFactory().createInt(data.length());
  7.   this.columnsPointers.setData(columnsPointers);
  8.   this.length = columnsPointers.length;
  9.   // The size of these pointers are constant
  10.   int pointersSpace = rows;
  11.   this.pointerB = Nd4j.getDataBufferFactory().createInt(pointersSpace);
  12.   this.pointerB.setData(pointerB);
  13.   this.pointerE = Nd4j.getDataBufferFactory().createInt(pointersSpace);
  14.   this.pointerE.setData(pointerE);
  15. }

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