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// Copyright (c) 2024, 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 <cmath>
#include <vector>
#include "verifiers.h"
#include "verify/verify_utils.h"
namespace TosaReference
{
namespace
{
template <typename OutDtype>
bool validateData(const double* ref,
const OutDtype* imp,
const std::vector<int32_t>& shape,
const RelativeVerifyInfo& cfg)
{
const size_t T = static_cast<size_t>(numElements(shape));
TOSA_REF_REQUIRE(T > 0, "[R] Invalid shape for reference tensor");
double errBound = cfg.max * cfg.scale;
for (size_t i = 0; i < T; ++i)
{
bool valid = tosaCheckFloatBound(imp[i], ref[i], errBound);
if (!valid)
{
auto pos = indexToPosition(i, shape);
WARNING("[Verifier][RP] Location %s", positionToString(pos).c_str());
return false;
}
}
return true;
}
} // namespace
bool verifyRelative(const CTensor* referenceTensor,
const CTensor* implementationTensor,
const RelativeVerifyInfo& rInfo)
{
// Validate that tensors are provided
TOSA_REF_REQUIRE(referenceTensor != nullptr, "[R] Reference tensor is missing");
TOSA_REF_REQUIRE(implementationTensor != nullptr, "[R] Implementation tensor is missing");
const std::vector<int32_t> refShape(referenceTensor->shape, referenceTensor->shape + referenceTensor->num_dims);
const double* refData = reinterpret_cast<const double*>(referenceTensor->data);
TOSA_REF_REQUIRE(refData != nullptr, "[R] Missing data for reference");
switch (implementationTensor->data_type)
{
case tosa_datatype_fp32_t: {
const auto* impData = reinterpret_cast<const float*>(implementationTensor->data);
TOSA_REF_REQUIRE(impData != nullptr, "[R] Missing data for implementation");
return validateData(refData, impData, refShape, rInfo);
}
case tosa_datatype_fp16_t: {
const auto* impData = reinterpret_cast<const half_float::half*>(implementationTensor->data);
TOSA_REF_REQUIRE(impData != nullptr, "[R] Missing data for implementation");
return validateData(refData, impData, refShape, rInfo);
}
default:
WARNING("[Verifier][R] Data-type not supported.");
break;
}
return false;
}
} // namespace TosaReference
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