functionals and combinators not included in the STL  
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#include <ql/types.hpp>
#include <cmath>
#include <functional>
| 
Functions | 
| template<class F , class R > | 
| clipped_function< F, R > | clip (const F &f, const R &r) | 
| template<class F , class G > | 
| composed_function< F, G > | compose (const F &f, const G &g) | 
| template<class F , class G , class H > | 
| binary_compose3_function< F, G, H > | compose3 (const F &f, const G &g, const H &h) | 
Detailed Description
functionals and combinators not included in the STL