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authorastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2010-05-20 16:21:07 +0000
committerastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2010-05-20 16:21:07 +0000
commita5e178cb949a2d229677c402dbd0327fee8efbf2 (patch)
tree1522e6132975d9d4faf82d38be9cd85700c73678 /vmodels
parentf7a91b266d1461bd87069ad7e027546cdc383150 (diff)
downloadopt-utilities-a5e178cb949a2d229677c402dbd0327fee8efbf2.tar.bz2
git-svn-id: file:///home/svn/opt_utilities@115 ed2142bd-67ad-457f-ba7c-d818d4011675
Diffstat (limited to 'vmodels')
-rw-r--r--vmodels/nbeta1d.hpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/vmodels/nbeta1d.hpp b/vmodels/nbeta1d.hpp
new file mode 100644
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--- /dev/null
+++ b/vmodels/nbeta1d.hpp
@@ -0,0 +1,62 @@
+#ifndef VNBETA_MODEL_H_
+#define VNBETA_MODEL_H_
+#define OPT_HEADER
+#include <core/fitter.hpp>
+#include <misc/optvec.hpp>
+#include <cmath>
+
+namespace opt_utilities
+{
+ template <typename T>
+ class nbeta1d
+ :public model<optvec<T>,optvec<T>,optvec<T>,std::string>
+ {
+ typedef optvec<T> Tv;
+ private:
+ nbeta1d<T>* do_clone()const
+ {
+ return new nbeta1d<T>(*this);
+ }
+
+ const char* do_get_type_name()const
+ {
+ return "1d density beta model";
+ }
+ public:
+ nbeta1d()
+ {
+ this->push_param_info(param_info<Tv>("n0",1));
+ this->push_param_info(param_info<Tv>("rc",10));
+ this->push_param_info(param_info<Tv>("beta",2./3.));
+ }
+
+ public:
+ Tv do_eval(const Tv& x,const Tv& param)
+ {
+ Tv result(x.size());
+ T n0=get_element(param,0);
+ T r_c=get_element(param,1);
+ T beta=get_element(param,2);
+
+ //return x*get_element(param,0)+get_element(param,1);
+ for(size_t i=0;i!=x.size();++i)
+ {
+
+ result[i]=n0*pow(1+(x[i]*x[i])/(r_c*r_c),-3./2.*beta);
+
+ }
+ return result;
+ }
+
+ private:
+ std::string do_get_information()const
+ {
+ return "";
+ }
+ };
+}
+
+
+
+#endif
+//EOF