xref: /aosp_15_r20/external/executorch/kernels/portable/cpu/op_isinf.cpp (revision 523fa7a60841cd1ecfb9cc4201f1ca8b03ed023a)
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/runtime/kernel/kernel_includes.h>
11 #include <cmath>
12 
13 namespace torch {
14 namespace executor {
15 namespace native {
16 
isinf_out(KernelRuntimeContext & ctx,const Tensor & in,Tensor & out)17 Tensor& isinf_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
18   // Lambda is syntactic sugar needed to workaround compilation on some older
19   // non-compatible distros where isnan is returning int rather than bool
20   return internal::unary_ufunc_realhb_to_bool(
21       [](double x) -> bool { return std::isinf(x); }, ctx, in, out);
22 }
23 
24 } // namespace native
25 } // namespace executor
26 } // namespace torch
27