wehub-resource-sync
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
// Copyright (c) 2021 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "paddle/cinn/runtime/buffer.h"
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namespace cinn {
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namespace runtime {
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Shape::Shape(const Shape &other)
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: data_(new value_type[other.ndims()]), ndims_(other.ndims()) {
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if (ndims() > 0) {
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memcpy(data_, other.data(), ndims_ * sizeof(value_type));
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}
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}
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void Shape::Resize(int ndim) {
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PADDLE_ENFORCE_GT(ndim,
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0,
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::common::errors::InvalidArgument(
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"Target dimension to resize must be greater than 0."));
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ndims_ = ndim;
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if (data_) delete data_;
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data_ = new value_type[ndim];
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}
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Shape::value_type &Shape::operator[](int i) {
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PADDLE_ENFORCE_GT(
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ndims_, 0, ::common::errors::InvalidArgument("Shape is empty."));
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PADDLE_ENFORCE_LT(
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i,
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ndims_,
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::common::errors::OutOfRange("Index %d out of range %d.", i, ndims_));
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return data_[i];
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}
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Shape::value_type Shape::operator[](int i) const {
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PADDLE_ENFORCE_GT(
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ndims_, 0, ::common::errors::InvalidArgument("Shape is empty."));
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PADDLE_ENFORCE_LT(
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i,
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ndims_,
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::common::errors::OutOfRange("Index %d out of range %d.", i, ndims_));
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return data_[i];
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}
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uint32_t Shape::num_elements() const {
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uint32_t res = ndims_ > 0 ? 1 : 0;
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for (int i = 0; i < ndims(); i++) res *= (*this)[i];
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return res;
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}
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} // namespace runtime
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} // namespace cinn
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