cavis/libnd4j/tests_cpu/layers_tests/QuantizationTests.cpp

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2019-06-06 14:21:15 +02:00
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@protonmail.com
//
#include "testlayers.h"
#include <NDArray.h>
#include <type_conversions.h>
using namespace nd4j;
class QuantizationTests : public testing::Test {
};
TEST_F(QuantizationTests, Basic_Test_1) {
auto s = TypeCast::estimateQuantizedSize(10);
ASSERT_EQ(18, s);
}
TEST_F(QuantizationTests, Basic_Test_2) {
auto s = TypeCast::estimateQuantizedSize(1);
ASSERT_EQ(9, s);
}
TEST_F(QuantizationTests, Compression_Test_1) {
auto x = NDArrayFactory::create<float>('c', {10});
auto z = NDArrayFactory::create<float>('c', {10});
x.linspace(1.0f);
auto q = new char[TypeCast::estimateQuantizedSize(x.lengthOf())];
TypeCast::convertToQuantized<float>(nullptr, x.buffer(), x.lengthOf(), q);
TypeCast::convertFromQuantized<float>(nullptr, q, x.lengthOf(), z.buffer());
ASSERT_TRUE(x.equalsTo(z, 0.1));
auto fq = reinterpret_cast<float *>(q);
ASSERT_NEAR(1.0f, fq[0], 1e-5);
ASSERT_NEAR(10.0f, fq[1], 1e-5);
delete[] q;
}