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author | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2009-09-24 15:26:00 +0000 |
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committer | astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675> | 2009-09-24 15:26:00 +0000 |
commit | 998693b0bbbaae72beefb5f0fb6351ca839b06da (patch) | |
tree | a07848c39215e38a8e5d83ea256863f256aba012 /test | |
parent | ec066c34fea88f9bcbdf3b9280a2747672fa2ef6 (diff) | |
download | opt-utilities-998693b0bbbaae72beefb5f0fb6351ca839b06da.tar.bz2 |
git-svn-id: file:///home/svn/opt_utilities@73 ed2142bd-67ad-457f-ba7c-d818d4011675
Diffstat (limited to 'test')
-rw-r--r-- | test/makefile | 5 | ||||
-rw-r--r-- | test/many_dims.cpp | 174 |
2 files changed, 178 insertions, 1 deletions
diff --git a/test/makefile b/test/makefile index e850e82..94d223d 100644 --- a/test/makefile +++ b/test/makefile @@ -1,10 +1,13 @@ -targets=test_optimizer +targets=test_optimizer many_dims all:$(targets) test_optimizer:test_optimizer.cpp $(CXX) $< -o $@ -I .. -O3 -g +many_dims:many_dims.cpp + $(CXX) $< -o $@ -I .. -O3 -g + clean: rm -f $(targets) *.o *~ diff --git a/test/many_dims.cpp b/test/many_dims.cpp new file mode 100644 index 0000000..9afe4a7 --- /dev/null +++ b/test/many_dims.cpp @@ -0,0 +1,174 @@ +#define private public +#include <cassert> +#include <core/optimizer.hpp> +#include <methods/powell/powell_method.hpp> +//#include <methods/gsl_simplex/gsl_simplex.hpp> +#include <methods/aga/aga.hpp> +#include <vector> +#include <iostream> +using namespace opt_utilities; +using namespace std; + + +class foo1 + :public func_obj<double,vector<double> > +{ + foo1* do_clone()const + { + return new foo1(*this); + } + + double do_eval(const vector<double>& p) + { + double result=0; + for(int i=0;i!=p.size();++i) + { + result+=p[i]*p[i]; + } + return result; + } +}; + +class foo2 + :public func_obj<double,vector<double> > +{ + foo2* do_clone()const + { + return new foo2(*this); + } + + double do_eval(const vector<double>& p) + { + double result=0; + for(int i=0;i!=p.size();++i) + { + result+=(i+1)*p[i]*p[i]; + } + return result; + } +}; + +class foo3 + :public func_obj<double,vector<double> > +{ + foo3* do_clone()const + { + return new foo3(*this); + } + + double do_eval(const vector<double>& p) + { + double result=0; + for(int i=0;i<p.size();++i) + { + double temp=0; + for(int j=0;j<=i;++j) + { + temp+=p[j]; + } + result+=temp*temp; + } + + return result; + } +}; + + +class foo4 + :public func_obj<double,vector<double> > +{ + foo4* do_clone()const + { + return new foo4(*this); + } + + double do_eval(const vector<double>& p) + { + double result=0; + for(int i=0;i<p.size()-1;++i) + { + result+=100*(p[i+1]-p[i])*(p[i+1]-p[i]) + +(1-p[i])*(1-p[i]); + } + + return result; + } +}; + +class foo5 + :public func_obj<double,vector<double> > +{ + foo5* do_clone()const + { + return new foo5(*this); + } + + double do_eval(const vector<double>& p) + { + const double pi=3.14159265358979323846; + double result=0; + result+=10*p.size(); + for(int i=0;i<p.size();++i) + { + result+=(p[i]*p[i]-10*cos(2*pi*p[i])); + } + + return result; + } +}; + + +void test_opt(const func_obj<double,vector<double> >& fo, + const opt_method<double,vector<double> >& optm) +{ + const int problem_size=50; + optimizer<double,vector<double> > opt; + + opt.set_func_obj(fo); + opt.set_opt_method(optm); + + vector<double> lim(problem_size); + for(int i=0;i<lim.size();++i) + { + lim[i]=10; + } + + opt.set_upper_limit(lim); + // vector<double> lim(problem_size); + for(int i=0;i<lim.size();++i) + { + lim[i]=-10; + } + opt.set_lower_limit(lim); + vector<double> p(problem_size); + for(int i=0;i<p.size();++i) + { + p[i]=1; + } + opt.set_start_point(p); + opt.set_precision(1E-7); + p=opt.optimize(); + + + cout<<"the result is:\n"; + for(int i=0;i<p.size();++i) + { + cout<<p[i]<<endl; + } + cout<<"The result of the object function is:\n" + <<opt.eval(p)<<endl; + +} + + +int main() +{ + // gsl_simplex<double,vector<double> > pm_simplex; + + aga_method<double,vector<double> > agam(100,50); + test_opt(foo1(),agam); + test_opt(foo2(),agam); + test_opt(foo3(),agam); + test_opt(foo4(),agam); + test_opt(foo5(),agam); +} |