Compute Library
 19.08
CLSlice.cpp
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25 
28 #include "arm_compute/core/Types.h"
31 
32 namespace arm_compute
33 {
34 void CLSlice::configure(const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
35 {
37 
38  // Get absolute end coordinates
39  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
40 
41  auto k = arm_compute::support::cpp14::make_unique<CLStridedSliceKernel>();
42  k->configure(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
43  _kernel = std::move(k);
44 }
45 
46 Status CLSlice::validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
47 {
49 
50  // Check start dimensions for being non-negative
51  ARM_COMPUTE_RETURN_ERROR_ON(std::any_of(starts.cbegin(), starts.cbegin() + starts.num_dimensions(), [](int i)
52  {
53  return i < 0;
54  }));
55 
56  // Get absolute end coordinates
57  const int32_t slice_end_mask = arm_compute::helpers::tensor_transform::construct_slice_end_mask(ends);
58 
59  return CLStridedSliceKernel::validate(input, output, starts, ends, BiStrides(), 0, slice_end_mask, 0);
60 }
61 } // namespace arm_compute
Coordinates BiStrides
Bidirectional strides.
Definition: Types.h:49
Store the tensor's metadata.
Definition: ITensorInfo.h:40
Status class.
Definition: Error.h:52
#define ARM_COMPUTE_RETURN_ERROR_ON(cond)
If the condition is true, an error is returned.
Definition: Error.h:244
Copyright (c) 2017-2018 ARM Limited.
int32_t construct_slice_end_mask(Coordinates ends)
Constructs end mask in case we want to perform a slice operation using the strided slice interface.
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask)
Static function to check if given info will lead to a valid configuration of CLStridedSliceKernel.
Coordinates of an item.
Definition: Coordinates.h:37
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends)
Static function to check if given info will lead to a valid configuration of CLSlice.
Definition: CLSlice.cpp:46
void configure(const ICLTensor *input, ICLTensor *output, const Coordinates &starts, const Coordinates &ends)
Configure kernel.
Definition: CLSlice.cpp:34
#define ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(...)
Definition: Validate.h:163
std::array< T, num_max_dimensions >::const_iterator cbegin() const
Returns a read-only (constant) iterator that points to the first element in the dimension array.
Definition: Dimensions.h:210
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
unsigned int num_dimensions() const
Returns the effective dimensionality of the tensor.
Definition: Dimensions.h:122