Alsvinn  0.5.3
The fast FVM simulator with UQ support
minmod.hpp
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1 /* Copyright (c) 2018 ETH Zurich, Kjetil Olsen Lye
2  * This program is free software: you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation, either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14  */
15 
16 #pragma once
17 #include "alsfvm/types.hpp"
19 
20 namespace alsfvm {
21 namespace reconstruction {
23  if (sign(a) == sign(b)) {
24  return sign(a) * fmin(fabs(a), fabs(b));
25  } else {
26  return 0;
27  }
28 }
29 
31  if (sign(a) == sign(b) && sign(b) == sign(c)) {
32  return sign(a) * fmin(fabs(a), fmin(fabs(b), fabs(c)));
33  } else {
34  return 0;
35  }
36 }
37 }
38 }
alsfvm::shared_ptr< reconstruction::Reconstruction > & reconstruction
Definition: NumericalFluxFactory.cpp:101
__device__ __host__ real minmod(real a, real b)
Definition: minmod.hpp:22
#define __host__
Definition: types.hpp:46
double real
Definition: types.hpp:65
__device__ __host__ real sign(real a)
Definition: sign.hpp:19
#define __device__
Definition: types.hpp:45
Various utility functions to implement the tecno flux.
Definition: types.hpp:30