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/*******************************************************************************
* Copyright 2017-2018 Intel Corporation
*
* 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.
*******************************************************************************/
#pragma once
#include <cmath>
#include <memory>
#include <vector>
#include "ngraph/type/element_type.hpp"
#include "test_tools.hpp"
namespace ngraph
{
namespace test
{
/// @brief Same as numpy.allclose
/// @param a First tensor to compare
/// @param b Second tensor to compare
/// @param rtol Relative tolerance
/// @param atol Absolute tolerance
/// @returns true if shapes match and for all elements, |a_i-b_i| <= atol + rtol*|b_i|.
template <typename T>
bool all_close(const std::vector<T>& a,
const std::vector<T>& b,
T rtol = static_cast<T>(1e-5),
T atol = static_cast<T>(1e-8))
{
bool rc = true;
assert(a.size() == b.size());
for (size_t i = 0; i < a.size(); ++i)
{
if (std::abs(a[i] - b[i]) > atol + rtol * std::abs(b[i]))
{
NGRAPH_INFO << a[i] << " is not close to " << b[i] << " at index " << i;
rc = false;
}
}
return rc;
}
/// @brief Same as numpy.allclose
/// @param a First tensor to compare
/// @param b Second tensor to compare
/// @param rtol Relative tolerance
/// @param atol Absolute tolerance
/// Returns true if shapes match and for all elements, |a_i-b_i| <= atol + rtol*|b_i|.
template <typename T>
bool all_close(const std::shared_ptr<ngraph::runtime::TensorView>& a,
const std::shared_ptr<ngraph::runtime::TensorView>& b,
T rtol = 1e-5f,
T atol = 1e-8f)
{
// Check that the layouts are compatible
if (*a->get_tensor_view_layout() != *b->get_tensor_view_layout())
{
throw ngraph_error("Cannot compare tensors with different layouts");
}
if (a->get_shape() != b->get_shape())
{
return false;
}
return all_close(read_vector<T>(a), read_vector<T>(b), rtol, atol);
}
/// @brief Same as numpy.allclose
/// @param as First tensors to compare
/// @param bs Second tensors to compare
/// @param rtol Relative tolerance
/// @param atol Absolute tolerance
/// Returns true if shapes match and for all elements, |a_i-b_i| <= atol + rtol*|b_i|.
template <typename T>
bool all_close(const std::vector<std::shared_ptr<ngraph::runtime::TensorView>>& as,
const std::vector<std::shared_ptr<ngraph::runtime::TensorView>>& bs,
T rtol,
T atol)
{
if (as.size() != bs.size())
{
return false;
}
for (size_t i = 0; i < as.size(); ++i)
{
if (!all_close(as[i], bs[i], rtol, atol))
{
return false;
}
}
return true;
}
}
}