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authorastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2011-05-01 13:57:22 +0000
committerastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2011-05-01 13:57:22 +0000
commitc06583ae8abf07eac82eac1e9a6f487b68c7b999 (patch)
tree8dc6bfef682612c47d3b7ee92328dcccf52e7c41
parentfd6197d5d08da27bc3f8f4c7787aadf31f91b032 (diff)
downloadopt-utilities-c06583ae8abf07eac82eac1e9a6f487b68c7b999.tar.bz2
git-svn-id: file:///home/svn/opt_utilities@190 ed2142bd-67ad-457f-ba7c-d818d4011675
-rw-r--r--vmodels/dbeta1d.hpp84
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diff --git a/vmodels/dbeta1d.hpp b/vmodels/dbeta1d.hpp
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+/**
+ \file dbeta1d.hpp
+ \brief 1d beta model
+ \author Junhua Gu
+ */
+
+
+#ifndef V2BETA_MODEL_H_
+#define V2BETA_MODEL_H_
+#define OPT_HEADER
+#include <core/fitter.hpp>
+#include <misc/optvec.hpp>
+#include <cmath>
+
+namespace opt_utilities
+{
+ template <typename T>
+ class dbeta1d
+ :public model<optvec<T>,optvec<T>,optvec<T>,std::string>
+ {
+ typedef optvec<T> Tv;
+ private:
+ dbeta1d<T>* do_clone()const
+ {
+ return new dbeta1d<T>(*this);
+ }
+
+ const char* do_get_type_name()const
+ {
+ return "1d surface brightness 2beta model";
+ }
+ public:
+ dbeta1d()
+ {
+ this->push_param_info(param_info<Tv>("S01",1));
+ this->push_param_info(param_info<Tv>("rc1",10));
+ this->push_param_info(param_info<Tv>("beta1",2./3.));
+
+ this->push_param_info(param_info<Tv>("S02",1));
+ this->push_param_info(param_info<Tv>("rc2",10));
+ this->push_param_info(param_info<Tv>("beta2",2./3.));
+
+ this->push_param_info(param_info<Tv>("bkg",0));
+ }
+
+ public:
+ Tv do_eval(const Tv& x,const Tv& param)
+ {
+ Tv result(x.size());
+
+ T S01=get_element(param,0);
+ T r_c1=get_element(param,1);
+ T beta1=get_element(param,2);
+
+ T S02=get_element(param,3);
+ T r_c2=get_element(param,4);
+ T beta2=get_element(param,5);
+
+ T bkg=get_element(param,6);
+
+ //return x*get_element(param,0)+get_element(param,1);
+ for(size_t i=0;i!=x.size();++i)
+ {
+
+ result[i]=bkg
+ +S01*pow(1+(x[i]*x[i])/(r_c1*r_c1),-3*beta1+static_cast<T>(.5))
+ +S02*pow(1+(x[i]*x[i])/(r_c2*r_c2),-3*beta2+static_cast<T>(.5));
+
+ }
+ return result;
+ }
+
+ private:
+ std::string do_get_information()const
+ {
+ return "";
+ }
+ };
+}
+
+
+
+#endif
+//EOF