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_realhb_to_bool(bool (* fn)(double),KernelRuntimeContext & ctx,const Tensor & in,Tensor & out)18 Tensor& unary_ufunc_realhb_to_bool(
19 bool (*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_MSG(
34 ctx,
35 out.scalar_type() == exec_aten::ScalarType::Bool,
36 InvalidArgument,
37 out,
38 "Expected out tensor to have dtype Bool, but got %" PRId8 " instead.",
39 static_cast<int8_t>(out.scalar_type()));
40
41 ET_KERNEL_CHECK(
42 ctx, tensors_have_same_dim_order(in, out), InvalidArgument, out);
43
44 const auto in_type = in.scalar_type();
45
46 ET_SWITCH_REALHBBF16_TYPES(in_type, ctx, __func__, CTYPE_IN, [&] {
47 apply_unary_map_fn(
48 [fn](const CTYPE_IN val_in) { return fn(val_in); },
49 in.const_data_ptr<CTYPE_IN>(),
50 out.mutable_data_ptr<bool>(),
51 in.numel());
52 });
53
54 return out;
55 }
56
57 } // namespace internal
58 } // namespace native
59 } // namespace executor
60 } // namespace torch
61