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//*****************************************************************************
// Copyright 2017-2020 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.
//*****************************************************************************
// clang-format off
#ifdef ${BACKEND_NAME}_FLOAT_TOLERANCE_BITS
#define DEFAULT_FLOAT_TOLERANCE_BITS ${BACKEND_NAME}_FLOAT_TOLERANCE_BITS
#endif
#ifdef ${BACKEND_NAME}_DOUBLE_TOLERANCE_BITS
#define DEFAULT_DOUBLE_TOLERANCE_BITS ${BACKEND_NAME}_DOUBLE_TOLERANCE_BITS
#endif
// clang-format on
#include "gtest/gtest.h"
#include "ngraph/ngraph.hpp"
#include "util/all_close.hpp"
#include "util/all_close_f.hpp"
#include "util/known_element_types.hpp"
#include "util/ndarray.hpp"
#include "util/test_control.hpp"
#include "util/test_tools.hpp"
using namespace std;
using namespace ngraph;
static string s_manifest = "${MANIFEST}";
NGRAPH_TEST(${BACKEND_NAME}, sigmoid_n1c1h2w2)
{
auto input = make_shared<op::Parameter>(element::f32, Shape{1, 1, 2, 2});
auto sigmoid_node = make_shared<op::Sigmoid>(input);
auto func = make_shared<Function>(sigmoid_node, ParameterVector{input});
auto backend = runtime::Backend::create("${BACKEND_NAME}");
shared_ptr<runtime::Tensor> a = backend->create_tensor(element::f32, input->get_shape());
shared_ptr<runtime::Tensor> result = backend->create_tensor(element::f32, input->get_shape());
float x1 = 1.0f;
float x2 = 4.0f;
float sigma1 = 1.0f / (1.0f + std::exp(-x1));
float sigma2 = 1.0f / (1.0f + std::exp(-x2));
vector<float> dataA{x1, x2, x1, x2};
copy_data(a, dataA);
auto handle = backend->compile(func);
handle->call_with_validate({result}, {a});
vector<float> expected{sigma1, sigma2, sigma1, sigma2};
EXPECT_TRUE(test::all_close_f(read_vector<float>(result), expected));
}
NGRAPH_TEST(${BACKEND_NAME}, sigmoid_n1c1h4)
{
auto input = make_shared<op::Parameter>(element::f32, Shape{1, 1, 4});
auto sigmoid_node = make_shared<op::Sigmoid>(input);
auto func = make_shared<Function>(sigmoid_node, ParameterVector{input});
auto backend = runtime::Backend::create("${BACKEND_NAME}");
shared_ptr<runtime::Tensor> a = backend->create_tensor(element::f32, input->get_shape());
shared_ptr<runtime::Tensor> result = backend->create_tensor(element::f32, input->get_shape());
float x1 = 1.0f;
float x2 = 4.0f;
float sigma1 = 1.0f / (1.0f + std::exp(-x1));
float sigma2 = 1.0f / (1.0f + std::exp(-x2));
vector<float> dataA{x1, x2, x1, x2};
copy_data(a, dataA);
auto handle = backend->compile(func);
handle->call_with_validate({result}, {a});
vector<float> expected{sigma1, sigma2, sigma1, sigma2};
EXPECT_TRUE(test::all_close_f(read_vector<float>(result), expected));
}
NGRAPH_TEST(${BACKEND_NAME}, sigmoid_bprop_n1c1h4)
{
auto input = make_shared<op::Parameter>(element::f32, Shape{1, 1, 4});
auto delta = make_shared<op::Parameter>(element::f32, Shape{1, 1, 4});
auto sigmoid_node = make_shared<op::SigmoidBackprop>(input, delta);
auto func = make_shared<Function>(sigmoid_node, ParameterVector{input, delta});
auto backend = runtime::Backend::create("${BACKEND_NAME}");
shared_ptr<runtime::Tensor> a = backend->create_tensor(element::f32, input->get_shape());
shared_ptr<runtime::Tensor> b = backend->create_tensor(element::f32, delta->get_shape());
shared_ptr<runtime::Tensor> result = backend->create_tensor(element::f32, input->get_shape());
float x1 = 1.0f;
float x2 = 4.0f;
float dt = 1.0f;
float sigma1 = 1.0f / (1.0f + std::exp(-x1));
float sigma2 = 1.0f / (1.0f + std::exp(-x2));
float bprop1 = sigma1 * (1 - sigma1) * dt;
float bprop2 = sigma2 * (1 - sigma2) * dt;
vector<float> dataA{x1, x2, x1, x2};
vector<float> dataB{dt, dt, dt, dt};
copy_data(a, dataA);
copy_data(b, dataB);
auto handle = backend->compile(func);
handle->call_with_validate({result}, {a, b});
vector<float> expected{bprop1, bprop2, bprop1, bprop2};
EXPECT_TRUE(test::all_close_f(expected, read_vector<float>(result)));
}