66 lines
2.0 KiB
Plaintext
66 lines
2.0 KiB
Plaintext
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/*
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[auto_generated]
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boost/numeric/odeint/external/compute/compute_algebra.hpp
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[begin_description]
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An algebra for Boost.Compute vectors.
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[end_description]
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Copyright 2009-2011 Karsten Ahnert
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Copyright 2009-2011 Mario Mulansky
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or
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copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_COMPUTE_COMPUTE_ALGEBRA_HPP_DEFINED
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#define BOOST_NUMERIC_ODEINT_EXTERNAL_COMPUTE_COMPUTE_ALGEBRA_HPP_DEFINED
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#include <boost/preprocessor/repetition.hpp>
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#include <boost/compute.hpp>
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namespace boost {
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namespace numeric {
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namespace odeint {
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struct compute_algebra
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{
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#define BOOST_ODEINT_COMPUTE_STATE_PARAM(z, n, unused) \
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StateType ## n &s ## n,
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#define BOOST_ODEINT_COMPUTE_ALGEBRA(z, n, unused) \
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template< BOOST_PP_ENUM_PARAMS(n, class StateType), class Operation > \
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static void for_each ## n( \
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BOOST_PP_REPEAT(n, BOOST_ODEINT_COMPUTE_STATE_PARAM, ~) \
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Operation op \
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) \
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{ \
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op( BOOST_PP_ENUM_PARAMS(n, s) ); \
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}
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BOOST_PP_REPEAT_FROM_TO(3, 9, BOOST_ODEINT_COMPUTE_ALGEBRA, ~)
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#undef BOOST_ODEINT_COMPUTE_ALGEBRA
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#undef BOOST_ODEINT_COMPUTE_STATE_PARAM
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template < class S >
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static typename S::value_type norm_inf( const S &s ) {
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typedef typename S::value_type value_type;
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BOOST_COMPUTE_FUNCTION(value_type, max_abs, (value_type, value_type),
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{
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return max(_1, fabs(_2));
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});
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return boost::compute::accumulate(s.begin(), s.end(), value_type(), max_abs);
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}
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};
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} // odeint
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} // numeric
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} // boost
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#endif
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