74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
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#define TORCH_ASSERT_ONLY_METHOD_OPERATORS
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// ${generated_comment}
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#include <ATen/InferSize.h>
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#include <ATen/Tensor.h>
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#include <ATen/native/Resize.h>
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#ifndef AT_PER_OPERATOR_HEADERS
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#include <ATen/Operators.h>
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#else
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#include <ATen/ops/clone.h>
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$ops_headers
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#endif
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namespace at {
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namespace native {
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// This file contains a number of kernels for aten functions that are fully code-generated.
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// TODO: rename this file to something more generic.
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namespace {
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at::Tensor clone_arg(const at::Tensor& t) {
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return t.clone();
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}
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std::vector<at::Tensor> clone_arg(const at::TensorList& t_list) {
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std::vector<at::Tensor> out(t_list.size());
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for (const auto& i : c10::irange(t_list.size())) {
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out[i] = t_list[i].clone();
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}
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return out;
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}
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// duped with gen_resize_out_helper from structured kernels
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void copy_arg(const at::Tensor& dst, const at::Tensor& src) {
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TORCH_CHECK(src.dtype() == dst.dtype(),
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"Expected out tensor to have dtype ", src.dtype(), ", but got ", dst.dtype(), " instead");
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TORCH_CHECK(src.device() == dst.device(),
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"Expected out tensor to have device ", src.device(), ", but got ", dst.device(), " instead");
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dst.copy_(src);
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}
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void copy_arg(const at::TensorList& dst, const at::TensorList& src) {
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TORCH_INTERNAL_ASSERT(dst.size() == src.size());
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for (const auto& i : c10::irange(dst.size())) {
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copy_arg(dst[i], src[i]);
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}
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}
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// TODO: this doesn't handle restriding empty tensors correctly; see
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// gen_resize_out_helper for the correct algorithm
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void resize_out_helper(const at::Tensor& dst, const at::Tensor& src) {
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at::native::resize_output(dst, src.sizes());
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}
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void resize_out_helper(const at::TensorList& dst, const at::TensorList& src) {
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TORCH_INTERNAL_ASSERT(dst.size() == src.size());
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for (const auto& i : c10::irange(dst.size())) {
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at::native::resize_output(dst[i], src[i].sizes());
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}
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}
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}
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${CompositeViewCopyKernel_Definitions}
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${GeneratedCompositeFunctional_Definitions}
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${GeneratedCompositeOut_Definitions}
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} // namespace native
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} // namespace at
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