119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
/*+
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This is CosmoTool (./src/field.hpp) -- Copyright (C) Guilhem Lavaux (2007-2014)
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guilhem.lavaux@gmail.com
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This software is a computer program whose purpose is to provide a toolbox for cosmological
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data analysis (e.g. filters, generalized Fourier transforms, power spectra, ...)
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This software is governed by the CeCILL license under French law and
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abiding by the rules of distribution of free software. You can use,
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modify and/ or redistribute the software under the terms of the CeCILL
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license as circulated by CEA, CNRS and INRIA at the following URL
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"http://www.cecill.info".
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As a counterpart to the access to the source code and rights to copy,
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modify and redistribute granted by the license, users are provided only
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with a limited warranty and the software's author, the holder of the
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economic rights, and the successive licensors have only limited
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liability.
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In this respect, the user's attention is drawn to the risks associated
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with loading, using, modifying and/or developing or reproducing the
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software by the user in light of its specific status of free software,
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that may mean that it is complicated to manipulate, and that also
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therefore means that it is reserved for developers and experienced
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professionals having in-depth computer knowledge. Users are therefore
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encouraged to load and test the software's suitability as regards their
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requirements in conditions enabling the security of their systems and/or
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data to be ensured and, more generally, to use and operate it in the
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same conditions as regards security.
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The fact that you are presently reading this means that you have had
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knowledge of the CeCILL license and that you accept its terms.
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+*/
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#ifndef __COSMOTOOL_FIELD
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#define __COSMOTOOL_FIELD
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#include "config.hpp"
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#include <iostream>
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#include <cassert>
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namespace CosmoTool {
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template<typename BaseType>
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struct ScalarField
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{
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BaseType value;
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};
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template<typename BaseType, int N>
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struct VectorField
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{
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BaseType vec[N];
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VectorField& operator=(const VectorField& a)
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{
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for (int i = 0; i < N; i++)
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vec[i] = a.vec[i];
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return *this;
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}
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VectorField()
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{
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for (int i = 0; i < N; i++)
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vec[i] = 0;
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}
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VectorField(double a)
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{
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assert(a == 0);
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for (int i = 0; i < N; i++)
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vec[i] = 0;
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}
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};
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template<typename BaseType, int N>
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VectorField<BaseType,N> operator*(BaseType s, const VectorField<BaseType,N>& a)
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{
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VectorField<BaseType,N> v;
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for (int i = 0; i < N; i++)
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v.vec[i] = a.vec[i]*s;
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return v;
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}
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template<typename BaseType, int N>
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VectorField<BaseType,N> operator+(const VectorField<BaseType,N>& a, const VectorField<BaseType,N>& b)
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{
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VectorField<BaseType,N> v;
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for (int i = 0; i < N; i++)
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v.vec[i] = a.vec[i]+b.vec[i];
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return v;
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}
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template<typename BaseType, int N>
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VectorField<BaseType,N>& operator+=(VectorField<BaseType,N>& a, const VectorField<BaseType,N>& b)
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{
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for (int i = 0; i < N; i++)
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a.vec[i]+=b.vec[i];
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return a;
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}
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};
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template<typename BaseType, int N>
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std::ostream& operator<<(std::ostream& s, const CosmoTool::VectorField<BaseType,N>& a)
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{
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for (int i = 0; i < N; i++)
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s << a.vec[i] << " " ;
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return s;
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}
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#endif
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