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Diffstat (limited to 'ml/dlib/dlib/any/any_decision_function.h')
| -rw-r--r-- | ml/dlib/dlib/any/any_decision_function.h | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/ml/dlib/dlib/any/any_decision_function.h b/ml/dlib/dlib/any/any_decision_function.h deleted file mode 100644 index 771e9302b..000000000 --- a/ml/dlib/dlib/any/any_decision_function.h +++ /dev/null @@ -1,209 +0,0 @@ -// Copyright (C) 2010 Davis E. King (davis@dlib.net) -// License: Boost Software License See LICENSE.txt for the full license. -#ifndef DLIB_AnY_DECISION_FUNCTION_Hh_ -#define DLIB_AnY_DECISION_FUNCTION_Hh_ - -#include "any.h" - -#include "any_decision_function_abstract.h" - -namespace dlib -{ - -// ---------------------------------------------------------------------------------------- - - template < - typename sample_type_, - typename result_type_ = double - > - class any_decision_function - { - - public: - - typedef sample_type_ sample_type; - typedef result_type_ result_type; - typedef default_memory_manager mem_manager_type; - - any_decision_function() - { - } - - any_decision_function ( - const any_decision_function& item - ) - { - if (item.data) - { - item.data->copy_to(data); - } - } - - template <typename T> - any_decision_function ( - const T& item - ) - { - typedef typename basic_type<T>::type U; - data.reset(new derived<U>(item)); - } - - void clear ( - ) - { - data.reset(); - } - - template <typename T> - bool contains ( - ) const - { - typedef typename basic_type<T>::type U; - return dynamic_cast<derived<U>*>(data.get()) != 0; - } - - bool is_empty( - ) const - { - return data.get() == 0; - } - - result_type operator() ( - const sample_type& item - ) const - { - // make sure requires clause is not broken - DLIB_ASSERT(is_empty() == false, - "\t result_type any_decision_function::operator()" - << "\n\t You can't call operator() on an empty any_decision_function" - << "\n\t this: " << this - ); - - return data->evaluate(item); - } - - template <typename T> - T& cast_to( - ) - { - typedef typename basic_type<T>::type U; - derived<U>* d = dynamic_cast<derived<U>*>(data.get()); - if (d == 0) - { - throw bad_any_cast(); - } - - return d->item; - } - - template <typename T> - const T& cast_to( - ) const - { - typedef typename basic_type<T>::type U; - derived<U>* d = dynamic_cast<derived<U>*>(data.get()); - if (d == 0) - { - throw bad_any_cast(); - } - - return d->item; - } - - template <typename T> - T& get( - ) - { - typedef typename basic_type<T>::type U; - derived<U>* d = dynamic_cast<derived<U>*>(data.get()); - if (d == 0) - { - d = new derived<U>(); - data.reset(d); - } - - return d->item; - } - - any_decision_function& operator= ( - const any_decision_function& item - ) - { - any_decision_function(item).swap(*this); - return *this; - } - - void swap ( - any_decision_function& item - ) - { - data.swap(item.data); - } - - private: - - struct base - { - virtual ~base() {} - - virtual void copy_to ( - std::unique_ptr<base>& dest - ) const = 0; - - virtual result_type evaluate ( - const sample_type& samp - ) const = 0; - }; - - template <typename T> - struct derived : public base - { - T item; - derived() {} - derived(const T& val) : item(val) {} - - virtual void copy_to ( - std::unique_ptr<base>& dest - ) const - { - dest.reset(new derived<T>(item)); - } - - virtual result_type evaluate ( - const sample_type& samp - ) const - { - return item(samp); - } - }; - - std::unique_ptr<base> data; - }; - -// ---------------------------------------------------------------------------------------- - - template < - typename sample_type, - typename result_type - > - inline void swap ( - any_decision_function<sample_type, result_type>& a, - any_decision_function<sample_type, result_type>& b - ) { a.swap(b); } - -// ---------------------------------------------------------------------------------------- - - template <typename T, typename U, typename V> - T& any_cast(any_decision_function<U,V>& a) { return a.template cast_to<T>(); } - - template <typename T, typename U, typename V> - const T& any_cast(const any_decision_function<U,V>& a) { return a.template cast_to<T>(); } - -// ---------------------------------------------------------------------------------------- - -} - - -#endif // DLIB_AnY_DECISION_FUNCTION_Hh_ - - |