100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/* Copyright 2024 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/experimental/shlo/ops/util.h"
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#include <string>
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#include <variant>
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#include "absl/status/status.h"
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#include "tensorflow/lite/experimental/shlo/data_type.h"
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#include "tensorflow/lite/experimental/shlo/shape.h"
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#include "tensorflow/lite/experimental/shlo/tensor.h"
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namespace shlo_ref {
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absl::Status Propagate(const Shape& input_shape, Shape& output_shape) {
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if (output_shape.Dimensions().empty()) {
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output_shape = input_shape;
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} else if (output_shape != input_shape) {
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return absl::FailedPreconditionError(
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"The specified output tensor shape is not compatible with the input "
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"shape.");
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}
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return absl::OkStatus();
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}
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absl::Status Propagate(const Shape& lhs_shape, const Shape& rhs_shape,
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Shape& output_shape) {
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if (lhs_shape != rhs_shape) {
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return absl::FailedPreconditionError(
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"The LHS and RHS shapes are incompatible.");
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} else if (output_shape.Dimensions().empty()) {
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output_shape = lhs_shape;
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} else if (output_shape != lhs_shape) {
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return absl::FailedPreconditionError(
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"The specified output tensor shape is not compatible with the input "
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"shapes.");
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}
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return absl::OkStatus();
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}
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bool IsBoolTensor(const Tensor& tensor) {
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return !tensor.IsQuantized() && IsBool(tensor.StorageType());
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}
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bool IsSignedIntTensor(const Tensor& tensor) {
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return !tensor.IsQuantized() && IsSignedInteger(tensor.StorageType());
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}
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bool IsUnsignedIntTensor(const Tensor& tensor) {
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return !tensor.IsQuantized() && IsUnsignedInteger(tensor.StorageType());
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}
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bool IsIntTensor(const Tensor& tensor) {
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return !tensor.IsQuantized() && IsInteger(tensor.StorageType());
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}
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bool IsFloatTensor(const Tensor& tensor) {
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return !tensor.IsQuantized() && IsFloat(tensor.StorageType());
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}
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bool IsQuantizedPerTensorTensor(const Tensor& tensor) {
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return tensor.IsPerTensorQuantized();
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}
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bool IsQuantizedPerAxisTensor(const Tensor& tensor) {
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return tensor.IsPerAxisQuantized();
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}
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absl::Status CheckSameBaselineType(CheckCtx ctx, const Tensor& tensor1,
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const Tensor& tensor2) {
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if (BaselineType(tensor1.element_type()) !=
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BaselineType(tensor2.element_type())) {
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std::string tensor1_type_repr =
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std::visit([](auto v) -> std::string { return ToString(v); },
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tensor1.element_type());
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std::string tensor2_type_repr =
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std::visit([](auto v) -> std::string { return ToString(v); },
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tensor2.element_type());
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return absl::FailedPreconditionError(
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"stablehlo." + ctx.op_name +
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": baseline type constraint is not satisfied " + tensor1_type_repr +
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" and " + tensor2_type_repr + ".");
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}
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return absl::OkStatus();
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}
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} // namespace shlo_ref
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