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Diffstat (limited to 'src/dynamics/descriptorFunction.h')
-rw-r--r-- | src/dynamics/descriptorFunction.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/dynamics/descriptorFunction.h b/src/dynamics/descriptorFunction.h new file mode 100644 index 0000000..00da7dc --- /dev/null +++ b/src/dynamics/descriptorFunction.h @@ -0,0 +1,190 @@ +/* This file is part of the OpenLB library + * + * Copyright (C) 2019 Adrian Kummerlaender + * E-mail contact: info@openlb.net + * The most recent release of OpenLB can be downloaded at + * <http://www.openlb.net/> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#ifndef DESCRIPTOR_FUNCTION_H +#define DESCRIPTOR_FUNCTION_H + +#include <type_traits> +#include <stdexcept> + +#include "descriptorTag.h" +#include "utilities/fraction.h" + +namespace olb { + +template <typename, unsigned> class Vector; + +namespace descriptors { + +/// \defgroup descriptor_interface Descriptor functions +/// \ingroup descriptor +//@{ + +/// \defgroup descriptor_interface_details Descriptor data +/// \ingroup descriptor_interface +//@{ + +namespace data { + +using utilities::Fraction; + +template <unsigned D, unsigned Q> +constexpr int vicinity = {}; + +template <unsigned D, unsigned Q> +constexpr int c[Q][D] = {}; + +template <unsigned D, unsigned Q> +constexpr int opposite[Q] = {}; + +template <unsigned D, unsigned Q> +constexpr Fraction t[Q] = {}; + +template <unsigned D, unsigned Q> +constexpr Fraction cs2 = {}; + +template <unsigned D, unsigned Q> +constexpr Fraction lambda_e = {}; + +template <unsigned D, unsigned Q> +constexpr Fraction lambda_h = {}; + +} + +template <unsigned D, unsigned Q> +constexpr int vicinity() +{ + return data::vicinity<D,Q>; +} + +template <unsigned D, unsigned Q> +constexpr int c(unsigned iPop, unsigned iDim) +{ + return data::c<D,Q>[iPop][iDim]; +} + +template <unsigned D, unsigned Q> +constexpr Vector<int,D> c(unsigned iPop) +{ + return Vector<int,D>(data::c<D,Q>[iPop]); +} + +template <unsigned D, unsigned Q> +constexpr int opposite(unsigned iPop) +{ + return data::opposite<D,Q>[iPop]; +} + +template <typename T, unsigned D, unsigned Q> +constexpr T t(unsigned iPop, tag::DEFAULT) +{ + return data::t<D,Q>[iPop].template as<T>(); +} + +template <typename T, unsigned D, unsigned Q> +constexpr T invCs2() +{ + return data::cs2<D,Q>.template inverseAs<T>(); +} + +template <typename T, unsigned D, unsigned Q> +constexpr T lambda_e() +{ + return data::lambda_e<D,Q>.template inverseAs<T>(); +} + +template <typename T, unsigned D, unsigned Q> +constexpr T lambda_h() +{ + return data::lambda_h<D,Q>.template inverseAs<T>(); +} + +//@} + +template <typename DESCRIPTOR> +constexpr int d() +{ + return DESCRIPTOR::d; +} + +template <typename DESCRIPTOR> +constexpr int q() +{ + return DESCRIPTOR::q; +} + +template <typename DESCRIPTOR> +constexpr int vicinity() +{ + return vicinity<DESCRIPTOR::d, DESCRIPTOR::q>(); +} + +template <typename DESCRIPTOR> +constexpr int c(unsigned iPop, unsigned iDim) +{ + return c<DESCRIPTOR::d, DESCRIPTOR::q>(iPop, iDim); +} + +template <typename DESCRIPTOR> +constexpr Vector<int,DESCRIPTOR::d> c(unsigned iPop) +{ + return c<DESCRIPTOR::d, DESCRIPTOR::q>(iPop); +} + +template <typename DESCRIPTOR> +constexpr int opposite(unsigned iPop) +{ + return opposite<DESCRIPTOR::d, DESCRIPTOR::q>(iPop); +} + +template <typename T, typename DESCRIPTOR> +constexpr T t(unsigned iPop) +{ + return t<T, DESCRIPTOR::d, DESCRIPTOR::q>(iPop, typename DESCRIPTOR::category_tag()); +} + +template <typename T, typename DESCRIPTOR> +constexpr T invCs2() +{ + return invCs2<T, DESCRIPTOR::d, DESCRIPTOR::q>(); +} + +template <typename T, typename DESCRIPTOR> +constexpr T lambda_e() +{ + return lambda_e<T, DESCRIPTOR::d, DESCRIPTOR::q>(); +} + +template <typename T, typename DESCRIPTOR> +constexpr T lambda_h() +{ + return lambda_h<T, DESCRIPTOR::d, DESCRIPTOR::q>(); +} + +//@} + +} + +} + +#endif |