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+/*
+ [auto_generated]
+ boost/numeric/odeint/external/thrust/thrust_operations.hpp
+
+ [begin_description]
+ Operations of thrust zipped iterators. Is the counterpart of the thrust_algebra.
+ [end_description]
+
+ Copyright 2010-2013 Mario Mulansky
+ Copyright 2010-2012 Karsten Ahnert
+
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or
+ copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+
+
+#ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_THRUST_THRUST_OPERATIONS_HPP_INCLUDED
+#define BOOST_NUMERIC_ODEINT_EXTERNAL_THRUST_THRUST_OPERATIONS_HPP_INCLUDED
+
+namespace boost {
+namespace numeric {
+namespace odeint {
+
+#include <thrust/tuple.h>
+#include <thrust/iterator/zip_iterator.h>
+
+/**ToDo extend to scale_sum13 for rk78 */
+
+struct thrust_operations
+{
+    template< class Fac1 = double , class Fac2 = Fac1 >
+    struct scale_sum2
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+
+        scale_sum2( const Fac1 alpha1 , const Fac2 alpha2 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) + m_alpha2 * thrust::get<2>(t);
+        }
+    };
+
+    template< class Fac1 = double , class Fac2 = Fac1 >
+    struct scale_sum_swap2
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+
+        scale_sum_swap2( const Fac1 alpha1 , const Fac2 alpha2 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            typename thrust::tuple_element<0,Tuple>::type tmp = thrust::get<0>(t);
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) + m_alpha2 * thrust::get<2>(t);
+            thrust::get<1>(t) = tmp;
+        }
+    };
+
+    template< class Fac1 = double , class Fac2 = Fac1 , class Fac3 = Fac2 >
+    struct scale_sum3
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+        const Fac3 m_alpha3;
+
+        scale_sum3( const Fac1 alpha1 , const Fac2 alpha2 , const Fac3 alpha3 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) , m_alpha3( alpha3 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) +
+                    m_alpha2 * thrust::get<2>(t) +
+                    m_alpha3 * thrust::get<3>(t);
+        }
+    };
+
+
+    template< class Fac1 = double , class Fac2 = Fac1 , class Fac3 = Fac2 , class Fac4 = Fac3 >
+    struct scale_sum4
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+        const Fac3 m_alpha3;
+        const Fac4 m_alpha4;
+
+        scale_sum4( const Fac1 alpha1 , const Fac2 alpha2 , const Fac3 alpha3 , const Fac4 alpha4 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) , m_alpha3( alpha3 ) , m_alpha4( alpha4 ){ }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) +
+                    m_alpha2 * thrust::get<2>(t) +
+                    m_alpha3 * thrust::get<3>(t) +
+                    m_alpha4 * thrust::get<4>(t);
+        }
+    };
+
+
+    template< class Fac1 = double , class Fac2 = Fac1 , class Fac3 = Fac2 ,
+            class Fac4 = Fac3 , class Fac5 = Fac4 >
+    struct scale_sum5
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+        const Fac3 m_alpha3;
+        const Fac4 m_alpha4;
+        const Fac5 m_alpha5;
+
+        scale_sum5( const Fac1 alpha1 , const Fac2 alpha2 , const Fac3 alpha3 ,
+                const Fac4 alpha4 , const Fac5 alpha5 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) , m_alpha3( alpha3 ) ,
+          m_alpha4( alpha4 ) , m_alpha5( alpha5 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) +
+                    m_alpha2 * thrust::get<2>(t) +
+                    m_alpha3 * thrust::get<3>(t) +
+                    m_alpha4 * thrust::get<4>(t) +
+                    m_alpha5 * thrust::get<5>(t);
+        }
+    };
+
+
+    template< class Fac1 = double , class Fac2 = Fac1 , class Fac3 = Fac2 ,
+            class Fac4 = Fac3 , class Fac5 = Fac4 , class Fac6 = Fac5 >
+    struct scale_sum6
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+        const Fac3 m_alpha3;
+        const Fac4 m_alpha4;
+        const Fac5 m_alpha5;
+        const Fac6 m_alpha6;
+
+        scale_sum6( const Fac1 alpha1 , const Fac2 alpha2 , const Fac3 alpha3 ,
+                const Fac4 alpha4 , const Fac5 alpha5 , const Fac6 alpha6 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) , m_alpha3( alpha3 ) ,
+          m_alpha4( alpha4 ) , m_alpha5( alpha5 ) , m_alpha6( alpha6 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) +
+                    m_alpha2 * thrust::get<2>(t) +
+                    m_alpha3 * thrust::get<3>(t) +
+                    m_alpha4 * thrust::get<4>(t) +
+                    m_alpha5 * thrust::get<5>(t) +
+                    m_alpha6 * thrust::get<6>(t);
+        }
+    };
+
+
+    template< class Fac1 = double , class Fac2 = Fac1 , class Fac3 = Fac2 , class Fac4 = Fac3 ,
+            class Fac5 = Fac4 , class Fac6 = Fac5 , class Fac7 = Fac6 >
+    struct scale_sum7
+    {
+        const Fac1 m_alpha1;
+        const Fac2 m_alpha2;
+        const Fac3 m_alpha3;
+        const Fac4 m_alpha4;
+        const Fac5 m_alpha5;
+        const Fac6 m_alpha6;
+        const Fac7 m_alpha7;
+
+        scale_sum7( const Fac1 alpha1 , const Fac2 alpha2 , const Fac3 alpha3 ,
+                const Fac4 alpha4 , const Fac5 alpha5 , const Fac6 alpha6 , const Fac7 alpha7 )
+        : m_alpha1( alpha1 ) , m_alpha2( alpha2 ) , m_alpha3( alpha3 ) ,
+          m_alpha4( alpha4 ) , m_alpha5( alpha5 ) , m_alpha6( alpha6 ) , m_alpha7( alpha7 ) { }
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            thrust::get<0>(t) = m_alpha1 * thrust::get<1>(t) +
+                    m_alpha2 * thrust::get<2>(t) +
+                    m_alpha3 * thrust::get<3>(t) +
+                    m_alpha4 * thrust::get<4>(t) +
+                    m_alpha5 * thrust::get<5>(t) +
+                    m_alpha6 * thrust::get<6>(t) +
+                    m_alpha7 * thrust::get<7>(t) ;
+        }
+    };
+
+
+
+
+    template< class Fac1 = double >
+    struct rel_error
+    {
+        const Fac1 m_eps_abs , m_eps_rel , m_a_x , m_a_dxdt;
+
+        rel_error( const Fac1 eps_abs , const Fac1 eps_rel , const Fac1 a_x , const Fac1 a_dxdt )
+        : m_eps_abs( eps_abs ) , m_eps_rel( eps_rel ) , m_a_x( a_x ) , m_a_dxdt( a_dxdt ) { }
+
+
+        template< class Tuple >
+        __host__ __device__
+        void operator()( Tuple t ) const
+        {
+            using std::abs;
+            thrust::get< 0 >( t ) = abs( thrust::get< 0 >( t ) ) /
+                    ( m_eps_abs + m_eps_rel * ( m_a_x * abs( thrust::get< 1 >( t ) + m_a_dxdt * abs( thrust::get< 2 >( t ) ) ) ) );
+        }
+
+        typedef void result_type;
+    };
+
+
+};
+
+} // odeint
+} // numeric
+} // boost
+
+
+#endif // BOOST_NUMERIC_ODEINT_EXTERNAL_THRUST_THRUST_OPERATIONS_HPP_INCLUDED