Line data    Source code

       1             : ///////////////////////////////////////////////////////////////////////////////
       2             : // Copyright 2019 Lakshman Anumolu, Raunak Bardia.
       3             : //
       4             : // Redistribution and use in source and binary forms, with or without
       5             : // modification, are permitted provided that the following conditions are
       6             : // met:
       7             : //
       8             : // 1. Redistributions of source code must retain the above copyright notice,
       9             : // this list of conditions and the following disclaimer.
      10             : //
      11             : // 2. Redistributions in binary form must reproduce the above copyright notice,
      12             : // this list of conditions and the following disclaimer in the documentation
      13             : // and/or other materials provided with the distribution.
      14             : //
      15             : // 3. Neither the name of the copyright holder nor the names of its contributors
      16             : // may be used to endorse or promote products derived from this software without
      17             : // specific prior written permission.
      18             : //
      19             : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      20             : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      21             : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      22             : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      23             : // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      24             : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      25             : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      26             : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      27             : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      28             : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      29             : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      30             : ///////////////////////////////////////////////////////////////////////////////
      31             : 
      32             : #include "gals/cpu/temporal-schemes/euler.h"
      33             : 
      34             : #include <math.h>
      35             : 
      36             : template <typename T, typename T_GRID>
      37           1 : GALS::TEMPORAL_SCHEMES::Euler<T, T_GRID>::Euler()
      38             : {
      39           1 : }
      40             : 
      41             : template <typename T, typename T_GRID>
      42           1 : GALS::TEMPORAL_SCHEMES::Euler<T, T_GRID>::~Euler()
      43             : {
      44           1 : }
      45             : 
      46             : template <typename T, typename T_GRID>
      47           1 : void GALS::TEMPORAL_SCHEMES::Euler<T, T_GRID>::compute(const T dt,
      48             :                                                        const GALS::CPU::LevelsetVelocity<T_GRID, T> &levelset_velocity,
      49             :                                                        GALS::CPU::Levelset<T_GRID, T> &levelset)
      50             : {
      51             :   const auto &phi_prev = levelset.phiPrev();
      52             :   auto &phi = levelset.phi();
      53           2 :   const GALS::CPU::Vec3<int> num_cells = phi.numCells();
      54             :   const auto &velocity = levelset_velocity.velocity();
      55             : 
      56          21 :   for (int i = 0; i < num_cells[0]; ++i)
      57          30 :     for (int j = 0; j < num_cells[1]; ++j)
      58          30 :       for (int k = 0; k < num_cells[2]; ++k) {
      59          10 :         phi(i, j, k) = phi_prev(i, j, k) - dt * velocity(i, j, k)[0];  // FIXME
      60             :       }
      61           1 : }
      62             : 
      63             : template class GALS::TEMPORAL_SCHEMES::Euler<double, GALS::CPU::Grid<double, 1>>;
      64             : template class GALS::TEMPORAL_SCHEMES::Euler<double, GALS::CPU::Grid<double, 2>>;
      65           2 : template class GALS::TEMPORAL_SCHEMES::Euler<double, GALS::CPU::Grid<double, 3>>;