1 /*
2 * Copyright (c) Meta Platforms, Inc. and affiliates.
3 * All rights reserved.
4 *
5 * This source code is licensed under the BSD-style license found in the
6 * LICENSE file in the root directory of this source tree.
7 */
8
9 #include <executorch/kernels/portable/cpu/scalar_utils.h>
10 #include <executorch/runtime/kernel/kernel_includes.h>
11
12 namespace torch {
13 namespace executor {
14 namespace native {
15
16 using Tensor = exec_aten::Tensor;
17 using ScalarType = exec_aten::ScalarType;
18
full_out(KernelRuntimeContext & ctx,const IntArrayRef sizes,const Scalar & fill_value,Tensor & out)19 Tensor& full_out(
20 KernelRuntimeContext& ctx,
21 const IntArrayRef sizes,
22 const Scalar& fill_value,
23 Tensor& out) {
24 (void)ctx;
25
26 ScalarType val_type = utils::get_scalar_dtype(fill_value);
27 ScalarType out_type = out.scalar_type();
28
29 // Resize for dynamic shape
30 ET_KERNEL_CHECK_MSG(
31 ctx,
32 resize_tensor(out, sizes) == Error::Ok,
33 InvalidArgument,
34 out,
35 "Failed to resize output tensor.");
36
37 constexpr auto name = "full.out";
38
39 ET_SWITCH_SCALAR_OBJ_TYPES(val_type, ctx, name, CTYPE_VAL, [&] {
40 CTYPE_VAL val;
41 utils::extract_scalar(fill_value, &val);
42
43 ET_SWITCH_REALHB_TYPES(out_type, ctx, name, CTYPE_OUT, [&] {
44 CTYPE_OUT val_casted = static_cast<CTYPE_OUT>(val);
45 auto data_out = out.mutable_data_ptr<CTYPE_OUT>();
46 for (size_t i = 0; i < out.numel(); ++i) {
47 data_out[i] = val_casted;
48 }
49 });
50 });
51
52 return out;
53 }
54
55 } // namespace native
56 } // namespace executor
57 } // namespace torch
58