aboutsummaryrefslogtreecommitdiff
path: root/Eigen/src/Eigen2Support/Meta.h
diff options
context:
space:
mode:
Diffstat (limited to 'Eigen/src/Eigen2Support/Meta.h')
-rw-r--r--Eigen/src/Eigen2Support/Meta.h75
1 files changed, 0 insertions, 75 deletions
diff --git a/Eigen/src/Eigen2Support/Meta.h b/Eigen/src/Eigen2Support/Meta.h
deleted file mode 100644
index fa37cfc96..000000000
--- a/Eigen/src/Eigen2Support/Meta.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
-//
-// This Source Code Form is subject to the terms of the Mozilla
-// Public License v. 2.0. If a copy of the MPL was not distributed
-// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-#ifndef EIGEN2_META_H
-#define EIGEN2_META_H
-
-namespace Eigen {
-
-template<typename T>
-struct ei_traits : internal::traits<T>
-{};
-
-struct ei_meta_true { enum { ret = 1 }; };
-struct ei_meta_false { enum { ret = 0 }; };
-
-template<bool Condition, typename Then, typename Else>
-struct ei_meta_if { typedef Then ret; };
-
-template<typename Then, typename Else>
-struct ei_meta_if <false, Then, Else> { typedef Else ret; };
-
-template<typename T, typename U> struct ei_is_same_type { enum { ret = 0 }; };
-template<typename T> struct ei_is_same_type<T,T> { enum { ret = 1 }; };
-
-template<typename T> struct ei_unref { typedef T type; };
-template<typename T> struct ei_unref<T&> { typedef T type; };
-
-template<typename T> struct ei_unpointer { typedef T type; };
-template<typename T> struct ei_unpointer<T*> { typedef T type; };
-template<typename T> struct ei_unpointer<T*const> { typedef T type; };
-
-template<typename T> struct ei_unconst { typedef T type; };
-template<typename T> struct ei_unconst<const T> { typedef T type; };
-template<typename T> struct ei_unconst<T const &> { typedef T & type; };
-template<typename T> struct ei_unconst<T const *> { typedef T * type; };
-
-template<typename T> struct ei_cleantype { typedef T type; };
-template<typename T> struct ei_cleantype<const T> { typedef typename ei_cleantype<T>::type type; };
-template<typename T> struct ei_cleantype<const T&> { typedef typename ei_cleantype<T>::type type; };
-template<typename T> struct ei_cleantype<T&> { typedef typename ei_cleantype<T>::type type; };
-template<typename T> struct ei_cleantype<const T*> { typedef typename ei_cleantype<T>::type type; };
-template<typename T> struct ei_cleantype<T*> { typedef typename ei_cleantype<T>::type type; };
-
-/** \internal In short, it computes int(sqrt(\a Y)) with \a Y an integer.
- * Usage example: \code ei_meta_sqrt<1023>::ret \endcode
- */
-template<int Y,
- int InfX = 0,
- int SupX = ((Y==1) ? 1 : Y/2),
- bool Done = ((SupX-InfX)<=1 ? true : ((SupX*SupX <= Y) && ((SupX+1)*(SupX+1) > Y))) >
- // use ?: instead of || just to shut up a stupid gcc 4.3 warning
-class ei_meta_sqrt
-{
- enum {
- MidX = (InfX+SupX)/2,
- TakeInf = MidX*MidX > Y ? 1 : 0,
- NewInf = int(TakeInf) ? InfX : int(MidX),
- NewSup = int(TakeInf) ? int(MidX) : SupX
- };
- public:
- enum { ret = ei_meta_sqrt<Y,NewInf,NewSup>::ret };
-};
-
-template<int Y, int InfX, int SupX>
-class ei_meta_sqrt<Y, InfX, SupX, true> { public: enum { ret = (SupX*SupX <= Y) ? SupX : InfX }; };
-
-} // end namespace Eigen
-
-#endif // EIGEN2_META_H