Пример #1
0
  void CVodeInt::initialize(double t0, FuncEval& func) 
  {
    m_neq = func.neq();
    m_t0  = t0;

    if (m_y) {
      N_VFree(nv(m_y));    // free solution vector if already allocated
    }
    m_y = reinterpret_cast<void*>(N_VNew(m_neq, 0));   // allocate solution vector
    // check abs tolerance array size
    if (m_itol == 1 && m_nabs < m_neq) 
      throw CVodeErr("not enough absolute tolerance values specified.");
    func.getInitialConditions(m_t0, m_neq, N_VDATA(nv(m_y)));

    // set options
    m_iopt[MXSTEP] = m_maxsteps;
    m_iopt[MAXORD] = m_maxord;
    m_ropt[HMAX]   = m_hmax;

    if (m_cvode_mem) CVodeFree(m_cvode_mem);

    // pass a pointer to func in m_data 
    m_data = (void*)&func;

    if (m_itol) {
      m_cvode_mem = CVodeMalloc(m_neq, cvode_rhs, m_t0, nv(m_y), m_method, 
				m_iter, m_itol, &m_reltol,
				nv(m_abstol), m_data, NULL, TRUE, m_iopt, 
				DATA_PTR(m_ropt), NULL);
    }
    else {
      m_cvode_mem = CVodeMalloc(m_neq, cvode_rhs, m_t0, nv(m_y), m_method, 
				m_iter, m_itol, &m_reltol,
				&m_abstols, m_data, NULL, TRUE, m_iopt, 
				DATA_PTR(m_ropt), NULL);
    }

    if (!m_cvode_mem) throw CVodeErr("CVodeMalloc failed.");

    if (m_type == DENSE + NOJAC) {
      CVDense(m_cvode_mem, NULL, NULL);
    }
    else if (m_type == DENSE + JAC) {
      CVDense(m_cvode_mem, cvode_jac, NULL);
    }
    else if (m_type == DIAG) {
      CVDiag(m_cvode_mem);
    }
    else if (m_type == GMRES) {
      CVSpgmr(m_cvode_mem, NONE, MODIFIED_GS, 0, 0.0,
	      NULL, NULL, NULL);
    }
    else {
      throw CVodeErr("unsupported option");
    }
  }
Пример #2
0
void CVodesIntegrator::reinitialize(double t0, FuncEval& func)
{
    m_t0 = t0;
    m_time = t0;
    func.getInitialConditions(m_t0, static_cast<sd_size_t>(m_neq),
                              NV_DATA_S(m_y));

    int result;
    result = CVodeReInit(m_cvode_mem, m_t0, m_y);
    if (result != CV_SUCCESS) {
        throw CVodesErr("CVodeReInit failed. result = "+int2str(result));
    }
    applyOptions();
}
Пример #3
0
  void CVodeInt::reinitialize(double t0, FuncEval& func) 
  {
    m_t0  = t0;
    func.getInitialConditions(m_t0, m_neq, N_VDATA(nv(m_y)));

    // set options
    m_iopt[MXSTEP] = m_maxsteps;
    m_iopt[MAXORD] = m_maxord;
    m_ropt[HMAX]   = m_hmax;

    //if (m_cvode_mem) CVodeFree(m_cvode_mem);

    // pass a pointer to func in m_data 
    m_data = (void*)&func;
    int result;
    if (m_itol) {
      result = CVReInit(m_cvode_mem, cvode_rhs, m_t0, nv(m_y), m_method, 
			m_iter, m_itol, &m_reltol,
			nv(m_abstol), m_data, NULL, TRUE, m_iopt, 
			DATA_PTR(m_ropt), NULL);
    }
    else {
      result = CVReInit(m_cvode_mem, cvode_rhs, m_t0, nv(m_y), m_method, 
			m_iter, m_itol, &m_reltol,
			&m_abstols, m_data, NULL, TRUE, m_iopt, 
			DATA_PTR(m_ropt), NULL);
    }

    if (result != 0) throw CVodeErr("CVReInit failed.");

    if (m_type == DENSE + NOJAC) {
      CVDense(m_cvode_mem, NULL, NULL);
    }
    else if (m_type == DENSE + JAC) {
      CVDense(m_cvode_mem, cvode_jac, NULL);
    }
    else if (m_type == DIAG) {
      CVDiag(m_cvode_mem);
    }
    else if (m_type == GMRES) {
      CVSpgmr(m_cvode_mem, NONE, MODIFIED_GS, 0, 0.0,
	      NULL, NULL, NULL);
    }
    else {
      throw CVodeErr("unsupported option");
    }
  }
Пример #4
0
  void CVodesIntegrator::reinitialize(double t0, FuncEval& func) 
  {
    m_t0  = t0;
    //try {
    func.getInitialConditions(m_t0, m_neq, NV_DATA_S(nv(m_y)));
    //}
    //catch (CanteraError) {
    //showErrors();
    //error("Teminating execution");
    //}

    int result, flag;

#if defined(SUNDIALS_VERSION_22) || defined(SUNDIALS_VERSION_23)
    if (m_itol == CV_SV) {
      result = CVodeReInit(m_cvode_mem, cvodes_rhs, m_t0, nv(m_y), 
			   m_itol, m_reltol,
			   nv(m_abstol));
    }
    else {
      result = CVodeReInit(m_cvode_mem, cvodes_rhs, m_t0, nv(m_y),
			   m_itol, m_reltol,
			   &m_abstols);
    }
    if (result != CV_SUCCESS) { 
      throw CVodesErr("CVodeReInit failed. result = "+int2str(result));
    }
#elif defined(SUNDIALS_VERSION_24)
    result = CVodeReInit(m_cvode_mem, m_t0, nv(m_y));
    if (result != CV_SUCCESS) { 
      throw CVodesErr("CVodeReInit failed. result = "+int2str(result));
    }
#endif

    if (m_type == DENSE + NOJAC) {
      long int N = m_neq;
      CVDense(m_cvode_mem, N);
    }
    else if (m_type == DIAG) {
      CVDiag(m_cvode_mem);
    }
    else if (m_type == BAND + NOJAC) {
      long int N = m_neq;
      long int nu = m_mupper;
      long int nl = m_mlower;
      CVBand(m_cvode_mem, N, nu, nl);
    }
    else if (m_type == GMRES) {
      CVSpgmr(m_cvode_mem, PREC_NONE, 0);
    }
    else {
      throw CVodesErr("unsupported option");
    }


    // set options
    if (m_maxord > 0)
      flag = CVodeSetMaxOrd(m_cvode_mem, m_maxord);
    if (m_maxsteps > 0)
      flag = CVodeSetMaxNumSteps(m_cvode_mem, m_maxsteps);
    if (m_hmax > 0)
      flag = CVodeSetMaxStep(m_cvode_mem, m_hmax);
  }
Пример #5
0
  void CVodesIntegrator::initialize(double t0, FuncEval& func) 
  {
    m_neq = func.neq();
    m_t0  = t0;

    if (m_y) {
      N_VDestroy_Serial(nv(m_y));    // free solution vector if already allocated
    }
    m_y = reinterpret_cast<void*>(N_VNew_Serial(m_neq));   // allocate solution vector
    for (int i=0; i<m_neq; i++) {
      NV_Ith_S(nv(m_y), i) = 0.0;
    }
    // check abs tolerance array size
    if (m_itol == CV_SV && m_nabs < m_neq) 
      throw CVodesErr("not enough absolute tolerance values specified.");

    func.getInitialConditions(m_t0, m_neq, NV_DATA_S(nv(m_y)));

    if (m_cvode_mem) CVodeFree(&m_cvode_mem);

    /*
     *  Specify the method and the iteration type:
     *      Cantera Defaults:
     *         CV_BDF  - Use BDF methods 
     *         CV_NEWTON - use newton's method 
     */
    m_cvode_mem = CVodeCreate(m_method, m_iter);
    if (!m_cvode_mem) throw CVodesErr("CVodeCreate failed.");

    int flag = 0;
#if defined(SUNDIALS_VERSION_22) || defined(SUNDIALS_VERSION_23)
    if (m_itol == CV_SV) {
      // vector atol
      flag = CVodeMalloc(m_cvode_mem, cvodes_rhs, m_t0, nv(m_y), m_itol,
			 m_reltol, nv(m_abstol));
    }
    else {
      // scalar atol
      flag = CVodeMalloc(m_cvode_mem, cvodes_rhs, m_t0, nv(m_y), m_itol,
			 m_reltol, &m_abstols);
    }
    if (flag != CV_SUCCESS) {
      if (flag == CV_MEM_FAIL) {
	throw CVodesErr("Memory allocation failed.");
      }
      else if (flag == CV_ILL_INPUT) {
	throw CVodesErr("Illegal value for CVodeMalloc input argument.");
      }
      else 
	throw CVodesErr("CVodeMalloc failed.");
    }
#elif defined(SUNDIALS_VERSION_24)

    flag = CVodeInit(m_cvode_mem, cvodes_rhs, m_t0, nv(m_y));
    if (flag != CV_SUCCESS) {
      if (flag == CV_MEM_FAIL) {
	throw CVodesErr("Memory allocation failed.");
      } else if (flag == CV_ILL_INPUT) {
	throw CVodesErr("Illegal value for CVodeInit input argument.");
      } else {
	throw CVodesErr("CVodeInit failed.");
      }
    }

    if (m_itol == CV_SV) {
      flag = CVodeSVtolerances(m_cvode_mem, m_reltol, nv(m_abstol));
    } else {
      flag = CVodeSStolerances(m_cvode_mem, m_reltol, m_abstols);
    }
    if (flag != CV_SUCCESS) {
      if (flag == CV_MEM_FAIL) {
	throw CVodesErr("Memory allocation failed.");
      } else if (flag == CV_ILL_INPUT) {
	throw CVodesErr("Illegal value for CVodeInit input argument.");
      } else {
	throw CVodesErr("CVodeInit failed.");
      }
    }
#else
    printf("unknown sundials verson\n");
    exit(-1);
#endif



    if (m_type == DENSE + NOJAC) {
      long int N = m_neq;
      CVDense(m_cvode_mem, N);
    }
    else if (m_type == DIAG) {
      CVDiag(m_cvode_mem);
    }
    else if (m_type == GMRES) {
      CVSpgmr(m_cvode_mem, PREC_NONE, 0);
    }
    else if (m_type == BAND + NOJAC) {
      long int N = m_neq;
      long int nu = m_mupper;
      long int nl = m_mlower;
      CVBand(m_cvode_mem, N, nu, nl);
    }
    else {
      throw CVodesErr("unsupported option");
    }

    // pass a pointer to func in m_data 
    m_fdata = new FuncData(&func, func.nparams());

    //m_data = (void*)&func;
#if defined(SUNDIALS_VERSION_22) || defined(SUNDIALS_VERSION_23)
    flag = CVodeSetFdata(m_cvode_mem, (void*)m_fdata);
    if (flag != CV_SUCCESS) {
      throw CVodesErr("CVodeSetFdata failed.");
    }
#elif defined(SUNDIALS_VERSION_24)
    flag = CVodeSetUserData(m_cvode_mem, (void*)m_fdata);
    if (flag != CV_SUCCESS) {
      throw CVodesErr("CVodeSetUserData failed.");
    }
#endif
    if (func.nparams() > 0) {
      sensInit(t0, func);
      flag = CVodeSetSensParams(m_cvode_mem, DATA_PTR(m_fdata->m_pars), 
				NULL, NULL);
    }

    // set options
    if (m_maxord > 0)
      flag = CVodeSetMaxOrd(m_cvode_mem, m_maxord);
    if (m_maxsteps > 0)
      flag = CVodeSetMaxNumSteps(m_cvode_mem, m_maxsteps);
    if (m_hmax > 0)
      flag = CVodeSetMaxStep(m_cvode_mem, m_hmax);
  }
Пример #6
0
void CVodesIntegrator::initialize(double t0, FuncEval& func)
{
    m_neq = func.neq();
    m_t0 = t0;
    m_time = t0;

    if (m_y) {
        N_VDestroy_Serial(m_y); // free solution vector if already allocated
    }
    m_y = N_VNew_Serial(static_cast<sd_size_t>(m_neq)); // allocate solution vector
    for (size_t i = 0; i < m_neq; i++) {
        NV_Ith_S(m_y, i) = 0.0;
    }
    // check abs tolerance array size
    if (m_itol == CV_SV && m_nabs < m_neq) {
        throw CVodesErr("not enough absolute tolerance values specified.");
    }

    func.getInitialConditions(m_t0, m_neq, NV_DATA_S(m_y));

    if (m_cvode_mem) {
        CVodeFree(&m_cvode_mem);
    }

    /*
     *  Specify the method and the iteration type:
     *      Cantera Defaults:
     *         CV_BDF  - Use BDF methods
     *         CV_NEWTON - use Newton's method
     */
    m_cvode_mem = CVodeCreate(m_method, m_iter);
    if (!m_cvode_mem) {
        throw CVodesErr("CVodeCreate failed.");
    }

    int flag = CVodeInit(m_cvode_mem, cvodes_rhs, m_t0, m_y);
    if (flag != CV_SUCCESS) {
        if (flag == CV_MEM_FAIL) {
            throw CVodesErr("Memory allocation failed.");
        } else if (flag == CV_ILL_INPUT) {
            throw CVodesErr("Illegal value for CVodeInit input argument.");
        } else {
            throw CVodesErr("CVodeInit failed.");
        }
    }
    CVodeSetErrHandlerFn(m_cvode_mem, &cvodes_err, this);

    if (m_itol == CV_SV) {
        flag = CVodeSVtolerances(m_cvode_mem, m_reltol, m_abstol);
    } else {
        flag = CVodeSStolerances(m_cvode_mem, m_reltol, m_abstols);
    }
    if (flag != CV_SUCCESS) {
        if (flag == CV_MEM_FAIL) {
            throw CVodesErr("Memory allocation failed.");
        } else if (flag == CV_ILL_INPUT) {
            throw CVodesErr("Illegal value for CVodeInit input argument.");
        } else {
            throw CVodesErr("CVodeInit failed.");
        }
    }

    // pass a pointer to func in m_data
    m_fdata.reset(new FuncData(&func, func.nparams()));

    flag = CVodeSetUserData(m_cvode_mem, m_fdata.get());
    if (flag != CV_SUCCESS) {
        throw CVodesErr("CVodeSetUserData failed.");
    }
    if (func.nparams() > 0) {
        sensInit(t0, func);
        flag = CVodeSetSensParams(m_cvode_mem, m_fdata->m_pars.data(),
                                  NULL, NULL);
    }
    applyOptions();
}