eis/TestProject/RNG/model/DriftModel.h

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#pragma once
#include <TestProject/RNG/model/IModel.h>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
struct DriftModel : IModel {
float base, drift_rate;
DriftModel(const json& params, float defaultVal)
: base(defaultVal), drift_rate(params.value("drift_rate", 0.0f)) {}
float evaluate(size_t t) override { return base + drift_rate * t; }
};