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authorastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2010-07-16 13:34:01 +0000
committerastrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>2010-07-16 13:34:01 +0000
commita152f015339205e449a54f4512d600bcbb510674 (patch)
tree41baac23282c4270e435038dad36ffe8d1c2d988 /vmodels
parent7118ebb90769cd956c7a11c2db8958ec768940eb (diff)
downloadopt-utilities-a152f015339205e449a54f4512d600bcbb510674.tar.bz2
git-svn-id: file:///home/svn/opt_utilities@126 ed2142bd-67ad-457f-ba7c-d818d4011675
Diffstat (limited to 'vmodels')
-rw-r--r--vmodels/nfw.hpp50
1 files changed, 50 insertions, 0 deletions
diff --git a/vmodels/nfw.hpp b/vmodels/nfw.hpp
new file mode 100644
index 0000000..3e4264f
--- /dev/null
+++ b/vmodels/nfw.hpp
@@ -0,0 +1,50 @@
+#ifndef NFW_MODEL_H_
+#define NFW_MODEL_H_
+#define OPT_HEADER
+#include <core/fitter.hpp>
+#include <cmath>
+#include <misc/optvec.hpp>
+
+namespace opt_utilities
+{
+ template <typename T>
+ class nfw
+ :public model<optvec<T>,optvec<T>,optvec<T>,std::string>
+ {
+ private:
+ nfw* do_clone()const
+ {
+ return new nfw<T>(*this);
+ }
+
+ const char* do_get_type_name()const
+ {
+ return "nfw mass profile";
+ }
+ public:
+ nfw()
+ {
+ this->push_param_info(param_info<optvec<T> >("rho0",1));
+ this->push_param_info(param_info<optvec<T> >("rs",1));
+ }
+
+ optvec<T> do_eval(const optvec<T>& x,const optvec<T>& param)
+ {
+ T rho0=get_element(param,0);
+ T rs=get_element(param,1);
+ return rho0/(x/rs*(x/rs+T(1))*(x/rs+T(1)));
+ }
+
+ private:
+ std::string do_get_information()const
+ {
+ return "NFW mass profile\n"
+ "y=rho0/(x/rs*(1+x/rs)^2)\n";
+ }
+ };
+}
+
+
+
+#endif
+//EOF