R2h.cpp 2.9 KB

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  1. /*
  2. * @file malaria/Si.cpp
  3. *
  4. * This file is part of VLE, a framework for multi-modeling, simulation
  5. * and analysis of complex dynamical systems
  6. * http://www.vle-project.org
  7. *
  8. * Copyright (c) 2011 INRA http://www.inra.fr
  9. *
  10. * See the AUTHORS or Authors.txt file for copyright owners and contributors
  11. *
  12. * This program is free software: you can redistribute it and/or modify
  13. * it under the terms of the GNU General Public License as published by
  14. * the Free Software Foundation, either version 3 of the License, or
  15. * (at your option) any later version.
  16. *
  17. * This program is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * You should have received a copy of the GNU General Public License
  23. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  24. */
  25. /* @@tagdepends: vle.extension.differential-equation @@endtagdepends
  26. @@tagdynamic@@ */
  27. #include <vle/extension/DifferentialEquation.hpp>
  28. #include <iostream>
  29. #include <sstream>
  30. namespace malariaspread {
  31. namespace ved = vle::extension::differential_equation;
  32. class R2h :
  33. public ved::DifferentialEquation
  34. {
  35. public:
  36. R2h(const vle::devs::DynamicsInit& model,
  37. const vle::devs::InitEventList& events) :
  38. ved::DifferentialEquation(model,events)
  39. {
  40. alpha_2 = events.getDouble("alpha_2"); // = ???
  41. d2_H2 = events.getDouble("d2_H2"); // = ???
  42. epsilon_2 = events.getDouble("epsilon_2"); // = ???
  43. phi_r2 = events.getDouble("phi_r2"); // = ???
  44. phi_r1 = events.getDouble("phi_r1"); // = ???
  45. _R2h = createVar("R2h");
  46. _I2h = createExt("I2h");
  47. _R1h= createExt("R1h");
  48. }
  49. virtual ~R2h()
  50. { }
  51. void compute(const vle::devs::Time& /* time */)
  52. {
  53. grad(_R2h) = alpha_2*_I2h() + phi_r1*_R1h() - phi_r2*_R2h() - epsilon_2*_R2h() - d2_H2*_R2h();
  54. }
  55. private:
  56. // transition rate from I -> R for the patch 2 of the host population
  57. double alpha_2;
  58. // natural death rate of R in the host population for the patch 2
  59. double d2_H2;
  60. //transition rate from R -> S in the host population for the patch 2
  61. double epsilon_2;
  62. // migration rate of Recovered of host population of the patch 2 that left to patch 1 (Go)
  63. double phi_r2;
  64. // migration rate of Recovered (R) of host population of the patch 1 that come to patch 2 (Come)
  65. double phi_r1;
  66. Var _R2h;
  67. Ext _I2h;
  68. Ext _R1h;
  69. };
  70. } // namespace malariaspread
  71. DECLARE_DYNAMICS(malariaspread::R2h)