From c1a72451273ec019e3e74c4b53ea847afe8ddf7c Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Fri, 24 Aug 2018 11:25:32 +0100 Subject: COMPMID-1332: Implement Slice for CL Change-Id: I0dbc4fd7f640d31daa1970eb3da0e941cb771f2b Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/146145 Tested-by: Jenkins Reviewed-by: Giorgio Arena Reviewed-by: Michalis Spyrou --- src/core/utils/helpers/tensor_transform.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'src/core/utils/helpers/tensor_transform.cpp') diff --git a/src/core/utils/helpers/tensor_transform.cpp b/src/core/utils/helpers/tensor_transform.cpp index 5c83a8bdb5..a4bce5da5a 100644 --- a/src/core/utils/helpers/tensor_transform.cpp +++ b/src/core/utils/helpers/tensor_transform.cpp @@ -29,6 +29,30 @@ namespace helpers { namespace tensor_transform { +Coordinates slice_absolute_end_coords(TensorShape input_shape, Coordinates ends) +{ + // Create end mask + int32_t end_mask = 0; + for(unsigned int i = 0; i < ends.num_dimensions(); ++i) + { + if(ends[i] < 0) + { + end_mask |= 1 << i; + } + } + // Get unit strides + const BiStrides unit_strides = strided_slice_strides(input_shape, BiStrides()); + + return strided_slice_absolute_end_coords(input_shape, Coordinates(), ends, unit_strides, end_mask); +} + +TensorShape compute_slice_output_shape(TensorShape input_shape, Coordinates starts, Coordinates ends_abs) +{ + // Get unit strides + const BiStrides unit_strides = strided_slice_strides(input_shape, BiStrides()); + return compute_strided_slice_output_shape(input_shape, starts, ends_abs, unit_strides); +} + Coordinates strided_slice_absolute_start_coords(TensorShape input_shape, Coordinates starts, Coordinates strides, int32_t begin_mask) { Coordinates starts_abs; -- cgit v1.2.1