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-rw-r--r--vmodel/powerlaw.hpp50
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diff --git a/vmodel/powerlaw.hpp b/vmodel/powerlaw.hpp
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--- a/vmodel/powerlaw.hpp
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-#ifndef POWER_LAW_MODEL_H_
-#define POWER_LAW_MODEL_H_
-#define OPT_HEADER
-#include <core/fitter.hpp>
-#include <cmath>
-#include <misc/optvec.hpp>
-
-namespace opt_utilities
-{
- template <typename T>
- class powerlaw
- :public model<optvec<T>,optvec<T>,optvec<T>,std::string>
- {
- private:
- powerlaw* do_clone()const
- {
- return new powerlaw<T>(*this);
- }
-
- const char* do_get_type_name()const
- {
- return "1d power law";
- }
- public:
- powerlaw()
- {
- this->push_param_info(param_info<optvec<T> >("Ampl",1));
- this->push_param_info(param_info<optvec<T> >("gamma",1));
- }
-
- optvec<T> do_eval(const optvec<T>& x,const optvec<T>& param)
- {
- T A=get_element(param,0);
- T gamma=get_element(param,1);
- return A*pow(x,gamma);
- }
-
- private:
- std::string do_get_information()const
- {
- return "Simple power law model\n"
- "y=A*x^gamma\n";
- }
- };
-}
-
-
-
-#endif
-//EOF