wehub-resource-sync
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#include "tensorflow/lite/kernels/shim/shape.h"
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#include <string>
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namespace tflite {
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namespace shim {
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bool Shape::operator==(const Shape& rhs) const {
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if (!has_value() || !rhs.has_value()) return false;
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if (value_.size() != rhs.value_.size()) return false;
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for (int i = 0; i < value_.size(); ++i)
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if (value_[i] != rhs.value_[i] || value_[i] == kUnknownDim ||
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rhs.value_[i] == kUnknownDim)
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return false;
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return true;
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}
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bool Shape::operator!=(const Shape& rhs) const { return !(*this == rhs); }
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bool Shape::Compatible(const Shape& rhs) const {
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if (!has_value() || !rhs.has_value()) return true;
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if (value_.size() != rhs.value_.size()) return false;
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for (int i = 0; i < value_.size(); ++i) {
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const auto lhs_i = value_[i];
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const auto rhs_i = rhs.value_[i];
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if (lhs_i != rhs_i && lhs_i != kUnknownDim && rhs_i != kUnknownDim)
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return false;
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}
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return true;
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}
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std::string Shape::ToString() const {
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std::string ret;
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if (has_value()) {
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ret += "[";
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if (!value_.empty()) ret += " ";
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for (const auto dim : value_) {
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if (dim != kUnknownDim) {
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ret += std::to_string(dim);
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} else {
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ret += "?";
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}
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ret += " ";
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}
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ret += "]";
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} else {
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ret += "?";
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}
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return ret;
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}
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bool Shape::FullyDefined() const {
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if (!has_value_) return false;
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for (const auto dim : value_)
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if (dim == kUnknownDim) return false;
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return true;
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}
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int Shape::AddDims(const int dim1, const int dim2) {
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if (dim1 == kUnknownDim || dim2 == kUnknownDim) return kUnknownDim;
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return dim1 + dim2;
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}
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int Shape::Dim(const int idx) const {
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if (has_value_) return value_[idx];
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return kUnknownDim;
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}
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} // namespace shim
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} // namespace tflite
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