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/pattern/pattern.h>
10 #include <executorch/kernels/portable/cpu/util/functional_util.h>
11 #include <executorch/runtime/kernel/kernel_includes.h>
12
13 namespace torch {
14 namespace executor {
15 namespace native {
16 namespace internal {
17
unary_ufunc_realh(double (* fn)(double),KernelRuntimeContext & ctx,const Tensor & in,Tensor & out)18 Tensor& unary_ufunc_realh(
19 double (*fn)(double),
20 KernelRuntimeContext& ctx,
21 const Tensor& in,
22 Tensor& out) {
23 (void)ctx;
24
25 // Resize for dynamic shape
26 ET_KERNEL_CHECK_MSG(
27 ctx,
28 resize_tensor(out, in.sizes()) == Error::Ok,
29 InvalidArgument,
30 out,
31 "Failed to resize output tensor.");
32
33 ET_KERNEL_CHECK(
34 ctx, tensors_have_same_shape_and_dtype(in, out), InvalidArgument, out);
35
36 ET_KERNEL_CHECK(
37 ctx, tensors_have_same_dim_order(in, out), InvalidArgument, out);
38
39 ET_SWITCH_REALH_TYPES(in.scalar_type(), ctx, __func__, CTYPE, [&] {
40 apply_unary_map_fn(
41 [fn](const CTYPE val_in) { return static_cast<CTYPE>(fn(val_in)); },
42 in.const_data_ptr<CTYPE>(),
43 out.mutable_data_ptr<CTYPE>(),
44 in.numel());
45 });
46
47 return out;
48 }
49
50 } // namespace internal
51 } // namespace native
52 } // namespace executor
53 } // namespace torch
54