73 lines
2 KiB
C++
73 lines
2 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBTEXTCLASSIFIER_TESTS_FUNCTIONS_H_
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#define LIBTEXTCLASSIFIER_TESTS_FUNCTIONS_H_
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#include <math.h>
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#include "common/registry.h"
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namespace libtextclassifier {
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namespace nlp_core {
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namespace functions {
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// Abstract double -> double function.
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class Function : public RegisterableClass<Function> {
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public:
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virtual ~Function() {}
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virtual double Evaluate(double x) = 0;
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};
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class Cos : public Function {
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public:
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double Evaluate(double x) override { return cos(x); }
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TC_DEFINE_REGISTRATION_METHOD("cos", Cos);
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};
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class Exp : public Function {
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public:
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double Evaluate(double x) override { return exp(x); }
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TC_DEFINE_REGISTRATION_METHOD("exp", Exp);
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};
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// Abstract int -> int function.
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class IntFunction : public RegisterableClass<IntFunction> {
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public:
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virtual ~IntFunction() {}
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virtual int Evaluate(int k) = 0;
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};
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class Inc : public IntFunction {
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public:
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int Evaluate(int k) override { return k + 1; }
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TC_DEFINE_REGISTRATION_METHOD("inc", Inc);
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};
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class Dec : public IntFunction {
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public:
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int Evaluate(int k) override { return k + 1; }
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TC_DEFINE_REGISTRATION_METHOD("dec", Dec);
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};
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} // namespace functions
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// Should be inside namespace libtextclassifier::nlp_core.
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TC_DECLARE_CLASS_REGISTRY_NAME(functions::Function);
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TC_DECLARE_CLASS_REGISTRY_NAME(functions::IntFunction);
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} // namespace nlp_core
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} // namespace libtextclassifier
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#endif // LIBTEXTCLASSIFIER_TESTS_FUNCTIONS_H_
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