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// Copyright (c) 2023, ARM Limited.
//
// 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.
#include "func_debug.h"
#include "verifiers.h"
#include <cmath>
namespace TosaReference
{
bool verifyExact(const CTensor* referenceTensor, const CTensor* implementationTensor)
{
// Validate that tensors are provided
TOSA_REF_REQUIRE(referenceTensor != nullptr, "reference tensor is missing");
TOSA_REF_REQUIRE(implementationTensor != nullptr, "implementation tensor is missing");
// Get number of elements
const auto elementCount =
numElements(std::vector<int32_t>(referenceTensor->shape, referenceTensor->shape + referenceTensor->num_dims));
TOSA_REF_REQUIRE(elementCount > 0, "invalid shape for reference tensor");
switch (implementationTensor->data_type)
{
case tosa_datatype_fp32_t: {
const auto* refData = reinterpret_cast<const float*>(referenceTensor->data);
TOSA_REF_REQUIRE(refData != nullptr, "missing data for reference");
const auto* impData = reinterpret_cast<const float*>(implementationTensor->data);
TOSA_REF_REQUIRE(impData != nullptr, "missing data for implementation");
return std::equal(refData, std::next(refData, elementCount), impData, std::next(impData, elementCount),
[](const auto& referenceValue, const auto& implementationValue) {
return std::isnan(referenceValue) ? std::isnan(implementationValue)
: (referenceValue == implementationValue);
});
}
default:
WARNING("tosa verifier: data-type not supported.");
break;
}
return false;
}
} // namespace TosaReference
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