wehub-resource-sync
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
namespace phi {
|
|
namespace funcs {
|
|
|
|
template <typename T>
|
|
class TrilTriuCompute {
|
|
public:
|
|
HOSTDEVICE TrilTriuCompute(const T* in,
|
|
const int diagonal,
|
|
const bool lower,
|
|
const int64_t H,
|
|
const int64_t W,
|
|
T* out)
|
|
: in_(in), diagonal_(diagonal), lower_(lower), H_(H), W_(W), out_(out) {}
|
|
|
|
HOSTDEVICE void operator()(int64_t idx) {
|
|
const int64_t row = (idx / W_) % H_;
|
|
const int64_t col = idx % W_;
|
|
const bool mask =
|
|
lower_ ? (col - row > diagonal_) : (col - row < diagonal_);
|
|
out_[idx] = mask ? static_cast<T>(0) : in_[idx];
|
|
}
|
|
|
|
private:
|
|
const T* in_;
|
|
const int diagonal_;
|
|
const bool lower_;
|
|
const int64_t H_;
|
|
const int64_t W_;
|
|
T* out_;
|
|
};
|
|
} // namespace funcs
|
|
} // namespace phi
|