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* -----------------------------------------------------------------
* $Revision: 4921 $
* $Date: 2016-09-19 14:35:11 -0700 (Mon, 19 Sep 2016) $
* -----------------------------------------------------------------
* Programmer(s): Radu Serban @ LLNL
* -----------------------------------------------------------------
* LLNS Copyright Start
* Copyright (c) 2014, Lawrence Livermore National Security
* This work was performed under the auspices of the U.S. Department
* of Energy by Lawrence Livermore National Laboratory in part under
* Contract W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344.
* Produced at the Lawrence Livermore National Laboratory.
* All rights reserved.
* For details, see the LICENSE file.
* LLNS Copyright End
* -----------------------------------------------------------------
* This is the header file (private version) for the main IDAS solver.
* -----------------------------------------------------------------
*/
#ifndef _IDAS_IMPL_H
#define _IDAS_IMPL_H
#include <stdarg.h>
#include <idas/idas.h>
#include <sundials/sundials_nvector.h>
#include <sundials/sundials_types.h>
#ifdef __cplusplus /* wrapper to enable C++ usage */
extern "C" {
#endif
/*
* =================================================================
* M A I N I N T E G R A T O R M E M O R Y B L O C K
* =================================================================
*/
/* Basic IDA constants */
#define HMAX_INV_DEFAULT RCONST(0.0) /* hmax_inv default value */
#define MAXORD_DEFAULT 5 /* maxord default value */
#define MXORDP1 6 /* max. number of N_Vectors in phi */
#define MXSTEP_DEFAULT 500 /* mxstep default value */
/* itol */
#define IDA_NN 0
#define IDA_SS 1
#define IDA_SV 2
#define IDA_WF 3
#define IDA_EE 4
/*
* -----------------------------------------------------------------
* Types: struct IDAMemRec, IDAMem
* -----------------------------------------------------------------
* The type IDAMem is type pointer to struct IDAMemRec.
* This structure contains fields to keep track of problem state.
* -----------------------------------------------------------------
*/
typedef struct IDAMemRec {
realtype ida_uround; /* machine unit roundoff */
/*--------------------------
Problem Specification Data
--------------------------*/
IDAResFn ida_res; /* F(t,y(t),y'(t))=0; the function F */
void *ida_user_data; /* user pointer passed to res */
int ida_itol; /* itol = IDA_SS, IDA_SV, IDA_WF, IDA_NN */
realtype ida_rtol; /* relative tolerance */
realtype ida_Satol; /* scalar absolute tolerance */
N_Vector ida_Vatol; /* vector absolute tolerance */
booleantype ida_user_efun; /* TRUE if user provides efun */
IDAEwtFn ida_efun; /* function to set ewt */
void *ida_edata; /* user pointer passed to efun */
/*-----------------------
Quadrature Related Data
-----------------------*/
booleantype ida_quadr;
IDAQuadRhsFn ida_rhsQ;
void *ida_user_dataQ;
booleantype ida_errconQ;
int ida_itolQ;
realtype ida_rtolQ;
realtype ida_SatolQ; /* scalar absolute tolerance for quadratures */
N_Vector ida_VatolQ; /* vector absolute tolerance for quadratures */
/*------------------------
Sensitivity Related Data
------------------------*/
booleantype ida_sensi;
int ida_Ns;
int ida_ism;
IDASensResFn ida_resS;
void *ida_user_dataS;
booleantype ida_resSDQ;
realtype *ida_p;
realtype *ida_pbar;
int *ida_plist;
int ida_DQtype;
realtype ida_DQrhomax;
booleantype ida_errconS; /* TRUE if sensitivities in err. control */
int ida_itolS;
realtype ida_rtolS; /* relative tolerance for sensitivities */
realtype *ida_SatolS; /* scalar absolute tolerances for sensi. */
N_Vector *ida_VatolS; /* vector absolute tolerances for sensi. */
/*-----------------------------------
Quadrature Sensitivity Related Data
-----------------------------------*/
booleantype ida_quadr_sensi; /* TRUE if computing sensitivities of quadrs.*/
IDAQuadSensRhsFn ida_rhsQS; /* fQS = (dfQ/dy)*yS + (dfQ/dp) */
void *ida_user_dataQS; /* data pointer passed to fQS */
booleantype ida_rhsQSDQ; /* TRUE if using internal DQ functions */
booleantype ida_errconQS; /* TRUE if yQS are considered in err. con. */
int ida_itolQS;
realtype ida_rtolQS; /* relative tolerance for yQS */
realtype *ida_SatolQS; /* scalar absolute tolerances for yQS */
N_Vector *ida_VatolQS; /* vector absolute tolerances for yQS */
/*-----------------------------------------------
Divided differences array and associated arrays
-----------------------------------------------*/
N_Vector ida_phi[MXORDP1]; /* phi = (maxord+1) arrays of divided differences */
realtype ida_psi[MXORDP1]; /* differences in t (sums of recent step sizes) */
realtype ida_alpha[MXORDP1]; /* ratios of current stepsize to psi values */
realtype ida_beta[MXORDP1]; /* ratios of current to previous product of psi's */
realtype ida_sigma[MXORDP1]; /* product successive alpha values and factorial */
realtype ida_gamma[MXORDP1]; /* sum of reciprocals of psi values */
/*-------------------------
N_Vectors for integration
-------------------------*/
N_Vector ida_ewt; /* error weight vector */
N_Vector ida_yy; /* work space for y vector (= user's yret) */
N_Vector ida_yp; /* work space for y' vector (= user's ypret) */
N_Vector ida_delta; /* residual vector */
N_Vector ida_id; /* bit vector for diff./algebraic components */
N_Vector ida_constraints; /* vector of inequality constraint options */
N_Vector ida_savres; /* saved residual vector (= tempv1) */
N_Vector ida_ee; /* accumulated corrections to y vector, but
set equal to estimated local errors upon
successful return */
N_Vector ida_mm; /* mask vector in constraints tests (= tempv2) */
N_Vector ida_tempv1; /* work space vector */
N_Vector ida_tempv2; /* work space vector */
N_Vector ida_ynew; /* work vector for y in IDACalcIC (= tempv2) */
N_Vector ida_ypnew; /* work vector for yp in IDACalcIC (= ee) */
N_Vector ida_delnew; /* work vector for delta in IDACalcIC (= phi[2]) */
N_Vector ida_dtemp; /* work vector in IDACalcIC (= phi[3]) */
/*----------------------------
Quadrature Related N_Vectors
----------------------------*/
N_Vector ida_phiQ[MXORDP1];
N_Vector ida_yyQ;
N_Vector ida_ypQ;
N_Vector ida_ewtQ;
N_Vector ida_eeQ;
/*---------------------------
Sensitivity Related Vectors
---------------------------*/
N_Vector *ida_phiS[MXORDP1];
N_Vector *ida_ewtS;
N_Vector *ida_eeS; /* cumulative sensitivity corrections */
N_Vector *ida_yyS; /* allocated and used for: */
N_Vector *ida_ypS; /* ism = SIMULTANEOUS */
N_Vector *ida_deltaS; /* ism = STAGGERED */
N_Vector ida_tmpS1; /* work space vectors | tmpS1 = tempv1 */
N_Vector ida_tmpS2; /* for resS | tmpS2 = tempv2 */
N_Vector ida_tmpS3; /* | tmpS3 = allocated */
N_Vector *ida_savresS; /* work vector in IDACalcIC for stg (= phiS[2]) */
N_Vector *ida_delnewS; /* work vector in IDACalcIC for stg (= phiS[3]) */
N_Vector *ida_yyS0; /* initial yS, ypS vectors allocated and */
N_Vector *ida_ypS0; /* deallocated in IDACalcIC function */
N_Vector *ida_yyS0new; /* work vector in IDASensLineSrch (= phiS[4]) */
N_Vector *ida_ypS0new; /* work vector in IDASensLineSrch (= eeS) */
/*--------------------------------------
Quadrature Sensitivity Related Vectors
--------------------------------------*/
N_Vector *ida_phiQS[MXORDP1];/* Mod. div. diffs. for quadr. sensitivities */
N_Vector *ida_ewtQS; /* error weight vectors for sensitivities */
N_Vector *ida_eeQS; /* cumulative quadr.sensi.corrections */
N_Vector *ida_yyQS; /* Unlike yS, yQS is not allocated by the user */
N_Vector *ida_tempvQS; /* temporary storage vector (~ tempv) */
N_Vector ida_savrhsQ; /* saved quadr. rhs (needed for rhsQS calls) */
/*------------------------------
Variables for use by IDACalcIC
------------------------------*/
realtype ida_t0; /* initial t */
N_Vector ida_yy0; /* initial y vector (user-supplied). */
N_Vector ida_yp0; /* initial y' vector (user-supplied). */
int ida_icopt; /* IC calculation user option */
booleantype ida_lsoff; /* IC calculation linesearch turnoff option */
int ida_maxnh; /* max. number of h tries in IC calculation */
int ida_maxnj; /* max. number of J tries in IC calculation */
int ida_maxnit; /* max. number of Netwon iterations in IC calc. */
int ida_nbacktr; /* number of IC linesearch backtrack operations */
int ida_sysindex; /* computed system index (0 or 1) */
int ida_maxbacks; /* max backtracks per Newton step */
realtype ida_epiccon; /* IC nonlinear convergence test constant */
realtype ida_steptol; /* minimum Newton step size in IC calculation */
realtype ida_tscale; /* time scale factor = abs(tout1 - t0) */
/* Tstop information */
booleantype ida_tstopset;
realtype ida_tstop;
/* Step Data */
int ida_kk; /* current BDF method order */
int ida_knew; /* order for next step from order decrease decision */
int ida_phase; /* flag to trigger step doubling in first few steps */
int ida_ns; /* counts steps at fixed stepsize and order */
realtype ida_hin; /* initial step */
realtype ida_hh; /* current step size h */
realtype ida_rr; /* rr = hnext / hused */
realtype ida_tn; /* current internal value of t */
realtype ida_tretlast; /* value of tret previously returned by IDASolve */
realtype ida_cj; /* current value of scalar (-alphas/hh) in Jacobian */
realtype ida_cjlast; /* cj value saved from last successful step */
realtype ida_cjold; /* cj value saved from last call to lsetup */
realtype ida_cjratio; /* ratio of cj values: cj/cjold */
realtype ida_ss; /* scalar used in Newton iteration convergence test */
realtype ida_epsNewt; /* test constant in Newton convergence test */
realtype ida_epcon; /* coeficient of the Newton covergence test */
realtype ida_toldel; /* tolerance in direct test on Newton corrections */
realtype ida_ssS; /* scalar ss for staggered sensitivities */
/*------
Limits
------*/
int ida_maxncf; /* max numer of convergence failures */
int ida_maxcor; /* max number of Newton corrections */
int ida_maxnef; /* max number of error test failures */
int ida_maxord; /* max value of method order k: */
int ida_maxord_alloc; /* value of maxord used when allocating memory */
long int ida_mxstep; /* max number of internal steps for one user call */
realtype ida_hmax_inv; /* inverse of max. step size hmax (default = 0.0) */
int ida_maxcorS; /* max number of Newton corrections for sensitivity
systems (staggered method) */
/*--------
Counters
--------*/
long int ida_nst; /* number of internal steps taken */
long int ida_nre; /* number of function (res) calls */
long int ida_nrQe;
long int ida_nrSe;
long int ida_nrQSe; /* number of fQS calls */
long int ida_nreS;
long int ida_nrQeS; /* number of fQ calls from sensi DQ */
long int ida_ncfn; /* number of corrector convergence failures */
long int ida_ncfnQ;
long int ida_ncfnS;
long int ida_netf; /* number of error test failures */
long int ida_netfQ;
long int ida_netfS;
long int ida_netfQS; /* number of quadr. sensi. error test failures */
long int ida_nni; /* number of Newton iterations performed */
long int ida_nniS;
long int ida_nsetups; /* number of lsetup calls */
long int ida_nsetupsS;
/*---------------------------
Space requirements for IDAS
---------------------------*/
long int ida_lrw1; /* no. of realtype words in 1 N_Vector */
long int ida_liw1; /* no. of integer words in 1 N_Vector */
long int ida_lrw1Q;
long int ida_liw1Q;
long int ida_lrw; /* number of realtype words in IDA work vectors */
long int ida_liw; /* no. of integer words in IDA work vectors */
/*-------------------------------------------
Error handler function and error ouput file
-------------------------------------------*/
IDAErrHandlerFn ida_ehfun; /* Error messages are handled by ehfun */
void *ida_eh_data; /* dats pointer passed to ehfun */
FILE *ida_errfp; /* IDA error messages are sent to errfp */
/* Flags to verify correct calling sequence */
booleantype ida_SetupDone; /* set to FALSE by IDAInit and IDAReInit
set to TRUE by IDACalcIC or IDASolve */
booleantype ida_VatolMallocDone;
booleantype ida_constraintsMallocDone;
booleantype ida_idMallocDone;
booleantype ida_MallocDone; /* set to FALSE by IDACreate
set to TRUE by IDAInit
tested by IDAReInit and IDASolve */
booleantype ida_VatolQMallocDone;
booleantype ida_quadMallocDone;
booleantype ida_VatolSMallocDone;
booleantype ida_SatolSMallocDone;
booleantype ida_sensMallocDone;
booleantype ida_VatolQSMallocDone;
booleantype ida_SatolQSMallocDone;
booleantype ida_quadSensMallocDone;
/*------------------
Linear Solver Data
------------------*/
/* Linear Solver functions to be called */
int (*ida_linit)(struct IDAMemRec *idamem);
int (*ida_lsetup)(struct IDAMemRec *idamem, N_Vector yyp,
N_Vector ypp, N_Vector resp,
N_Vector tempv1, N_Vector tempv2, N_Vector tempv3);
int (*ida_lsolve)(struct IDAMemRec *idamem, N_Vector b, N_Vector weight,
N_Vector ycur, N_Vector ypcur, N_Vector rescur);
int (*ida_lperf)(struct IDAMemRec *idamem, int perftask);
int (*ida_lfree)(struct IDAMemRec *idamem);
/* Linear Solver specific memory */
void *ida_lmem;
/* Flag to request a call to the setup routine */
booleantype ida_forceSetup;
/* Flag to indicate successful ida_linit call */
booleantype ida_linitOK;
/*------------
Saved Values
------------*/
booleantype ida_setupNonNull; /* Does setup do something? */
booleantype ida_constraintsSet; /* constraints vector present */
booleantype ida_suppressalg; /* TRUE if suppressing algebraic vars.
in local error tests */
int ida_kused; /* method order used on last successful step */
realtype ida_h0u; /* actual initial stepsize */
realtype ida_hused; /* step size used on last successful step */
realtype ida_tolsf; /* tolerance scale factor (saved value) */
/*----------------
Rootfinding Data
----------------*/
IDARootFn ida_gfun; /* Function g for roots sought */
int ida_nrtfn; /* number of components of g */
int *ida_iroots; /* array for root information */
int *ida_rootdir; /* array specifying direction of zero-crossing */
realtype ida_tlo; /* nearest endpoint of interval in root search */
realtype ida_thi; /* farthest endpoint of interval in root search */
realtype ida_trout; /* t return value from rootfinder routine */
realtype *ida_glo; /* saved array of g values at t = tlo */
realtype *ida_ghi; /* saved array of g values at t = thi */
realtype *ida_grout; /* array of g values at t = trout */
realtype ida_toutc; /* copy of tout (if NORMAL mode) */
realtype ida_ttol; /* tolerance on root location */
int ida_taskc; /* copy of parameter itask */
int ida_irfnd; /* flag showing whether last step had a root */
long int ida_nge; /* counter for g evaluations */
booleantype *ida_gactive; /* array with active/inactive event functions */
int ida_mxgnull; /* number of warning messages about possible g==0 */
/*------------------------
Adjoint sensitivity data
------------------------*/
booleantype ida_adj; /* TRUE if performing ASA */
struct IDAadjMemRec *ida_adj_mem; /* Pointer to adjoint memory structure */
booleantype ida_adjMallocDone;
} *IDAMem;
/*
* =================================================================
* A D J O I N T M O D U L E M E M O R Y B L O C K
* =================================================================
*/
/*
* -----------------------------------------------------------------
* Forward references for pointers to various structures
* -----------------------------------------------------------------
*/
typedef struct IDAadjMemRec *IDAadjMem;
typedef struct CkpntMemRec *CkpntMem;
typedef struct DtpntMemRec *DtpntMem;
typedef struct IDABMemRec *IDABMem;
/*
* -----------------------------------------------------------------
* Types for functions provided by an interpolation module
* -----------------------------------------------------------------
* IDAAMMallocFn: Type for a function that initializes the content
* field of the structures in the dt array
* IDAAMFreeFn: Type for a function that deallocates the content
* field of the structures in the dt array
* IDAAGetYFn: Function type for a function that returns the
* interpolated forward solution.
* IDAAStorePnt: Function type for a function that stores a new
* point in the structure d
* -----------------------------------------------------------------
*/
typedef booleantype (*IDAAMMallocFn)(IDAMem IDA_mem);
typedef void (*IDAAMFreeFn)(IDAMem IDA_mem);
typedef int (*IDAAGetYFn)(IDAMem IDA_mem, realtype t,
N_Vector yy, N_Vector yp,
N_Vector *yyS, N_Vector *ypS);
typedef int (*IDAAStorePntFn)(IDAMem IDA_mem, DtpntMem d);
/*
* -----------------------------------------------------------------
* Types : struct CkpntMemRec, CkpntMem
* -----------------------------------------------------------------
* The type CkpntMem is type pointer to struct CkpntMemRec.
* This structure contains fields to store all information at a
* check point that is needed to 'hot' start IDAS.
* -----------------------------------------------------------------
*/
struct CkpntMemRec {
/* Integration limits */
realtype ck_t0;
realtype ck_t1;
/* Modified divided difference array */
N_Vector ck_phi[MXORDP1];
/* Do we need to carry quadratures? */
booleantype ck_quadr;
/* Modified divided difference array for quadratures */
N_Vector ck_phiQ[MXORDP1];
/* Do we need to carry sensitivities? */
booleantype ck_sensi;
/* number of sensitivities */
int ck_Ns;
/* Modified divided difference array for sensitivities */
N_Vector *ck_phiS[MXORDP1];
/* Do we need to carry quadrature sensitivities? */
booleantype ck_quadr_sensi;
/* Modified divided difference array for quadrature sensitivities */
N_Vector *ck_phiQS[MXORDP1];
/* Step data */
long int ck_nst;
realtype ck_tretlast;
long int ck_ns;
int ck_kk;
int ck_kused;
int ck_knew;
int ck_phase;
realtype ck_hh;
realtype ck_hused;
realtype ck_rr;
realtype ck_cj;
realtype ck_cjlast;
realtype ck_cjold;
realtype ck_cjratio;
realtype ck_ss;
realtype ck_ssS;
realtype ck_psi[MXORDP1];
realtype ck_alpha[MXORDP1];
realtype ck_beta[MXORDP1];
realtype ck_sigma[MXORDP1];
realtype ck_gamma[MXORDP1];
/* How many phi, phiS, phiQ and phiQS were allocated? */
int ck_phi_alloc;
/* Pointer to next structure in list */
struct CkpntMemRec *ck_next;
};
/*
* -----------------------------------------------------------------
* Type : struct DtpntMemRec
* -----------------------------------------------------------------
* This structure contains fields to store all information at a
* data point that is needed to interpolate solution of forward
* simulations. Its content field is interpType-dependent.
* -----------------------------------------------------------------
*/
struct DtpntMemRec {
realtype t; /* time */
void *content; /* interpType-dependent content */
};
/* Data for cubic Hermite interpolation */
typedef struct HermiteDataMemRec {
N_Vector y;
N_Vector yd;
N_Vector *yS;
N_Vector *ySd;
} *HermiteDataMem;
/* Data for polynomial interpolation */
typedef struct PolynomialDataMemRec {
N_Vector y;
N_Vector *yS;
/* yd and ySd store the derivative(s) only for the first dt
point. NULL otherwise. */
N_Vector yd;
N_Vector *ySd;
int order;
} *PolynomialDataMem;
/*
* -----------------------------------------------------------------
* Type : struct IDABMemRec
* -----------------------------------------------------------------
* The type IDABMemRec is a pointer to a structure which stores all
* information for ONE backward problem.
* The IDAadjMem struct contains a linked list of IDABMem pointers
* -----------------------------------------------------------------
*/
struct IDABMemRec {
/* Index of this backward problem */
int ida_index;
/* Time at which the backward problem is initialized. */
realtype ida_t0;
/* Memory for this backward problem */
IDAMem IDA_mem;
/* Flags to indicate that this backward problem's RHS or quad RHS
* require forward sensitivities */
booleantype ida_res_withSensi;
booleantype ida_rhsQ_withSensi;
/* Residual function for backward run */
IDAResFnB ida_res;
IDAResFnBS ida_resS;
/* Right hand side quadrature function (fQB) for backward run */
IDAQuadRhsFnB ida_rhsQ;
IDAQuadRhsFnBS ida_rhsQS;
/* User user_data */
void *ida_user_data;
/* Linear solver's data and functions */
/* Memory block for a linear solver's interface to IDAA */
void *ida_lmem;
/* Function to free any memory allocated by the linear solver */
int (*ida_lfree)(IDABMem IDAB_mem);
/* Memory block for a preconditioner's module interface to IDAA */
void *ida_pmem;
/* Function to free any memory allocated by the preconditioner module */
int (*ida_pfree)(IDABMem IDAB_mem);
/* Time at which to extract solution / quadratures */
realtype ida_tout;
/* Workspace Nvectors */
N_Vector ida_yy;
N_Vector ida_yp;
/* Link to next structure in list. */
struct IDABMemRec *ida_next;
};
/*
* -----------------------------------------------------------------
* Type : struct IDAadjMemRec
* -----------------------------------------------------------------
* The type IDAadjMem is type pointer to struct IDAadjMemRec.
* This structure contins fields to store all information
* necessary for adjoint sensitivity analysis.
* -----------------------------------------------------------------
*/
struct IDAadjMemRec {
/* --------------------
* Forward problem data
* -------------------- */
/* Integration interval */
realtype ia_tinitial, ia_tfinal;
/* Flag for first call to IDASolveF */
booleantype ia_firstIDAFcall;
/* Flag if IDASolveF was called with TSTOP */
booleantype ia_tstopIDAFcall;
realtype ia_tstopIDAF;
/* ----------------------
* Backward problems data
* ---------------------- */
/* Storage for backward problems */
struct IDABMemRec *IDAB_mem;
/* Number of backward problems. */
int ia_nbckpbs;
/* Address of current backward problem (iterator). */
struct IDABMemRec *ia_bckpbCrt;
/* Flag for first call to IDASolveB */
booleantype ia_firstIDABcall;
/* ----------------
* Check point data
* ---------------- */
/* Storage for check point information */
struct CkpntMemRec *ck_mem;
/* address of the check point structure for which data is available */
struct CkpntMemRec *ia_ckpntData;
/* Number of checkpoints. */
int ia_nckpnts;
/* ------------------
* Interpolation data
* ------------------ */
/* Number of steps between 2 check points */
long int ia_nsteps;
/* Storage for data from forward runs */
struct DtpntMemRec **dt_mem;
/* Actual number of data points saved in current dt_mem */
/* Commonly, np = nsteps+1 */
long int ia_np;
/* Interpolation type */
int ia_interpType;
/* Functions set by the interpolation module */
IDAAStorePntFn ia_storePnt; /* store a new interpolation point */
IDAAGetYFn ia_getY; /* interpolate forward solution */
IDAAMMallocFn ia_malloc; /* allocate new data point */
IDAAMFreeFn ia_free; /* destroys data point */
/* Flags controlling the interpolation module */
booleantype ia_mallocDone; /* IM initialized? */
booleantype ia_newData; /* new data available in dt_mem? */
booleantype ia_storeSensi; /* store sensitivities? */
booleantype ia_interpSensi; /* interpolate sensitivities? */
booleantype ia_noInterp; /* interpolations are temporarly */
/* disabled ( IDACalcICB ) */
/* Workspace for polynomial interpolation */
N_Vector ia_Y[MXORDP1]; /* pointers phi[i] */
N_Vector *ia_YS[MXORDP1]; /* pointers phiS[i] */
realtype ia_T[MXORDP1];
/* Workspace for wrapper functions */
N_Vector ia_yyTmp, ia_ypTmp;
N_Vector *ia_yySTmp, *ia_ypSTmp;
};
/*
* =================================================================
* I N T E R F A C E T O L I N E A R S O L V E R S
* =================================================================
*/
/*
* -----------------------------------------------------------------
* int (*ida_linit)(IDAMem IDA_mem);
* -----------------------------------------------------------------
* The purpose of ida_linit is to allocate memory for the
* solver-specific fields in the structure *(idamem->ida_lmem) and
* perform any needed initializations of solver-specific memory,
* such as counters/statistics. An (*ida_linit) should return
* 0 if it has successfully initialized the IDA linear solver and
* a non-zero value otherwise. If an error does occur, an
* appropriate message should be issued.
* ----------------------------------------------------------------
*/
/*
* -----------------------------------------------------------------
* int (*ida_lsetup)(IDAMem IDA_mem, N_Vector yyp, N_Vector ypp,
* N_Vector resp,
* N_Vector tempv1, N_Vector tempv2, N_Vector tempv3);
* -----------------------------------------------------------------
* The job of ida_lsetup is to prepare the linear solver for
* subsequent calls to ida_lsolve. Its parameters are as follows:
*
* idamem - problem memory pointer of type IDAMem. See the big
* typedef earlier in this file.
*
*
* yyp - the predicted y vector for the current IDA internal
* step.
*
* ypp - the predicted y' vector for the current IDA internal
* step.
*
* resp - F(tn, yyp, ypp).
*
* tempv1, tempv2, tempv3 - temporary N_Vectors provided for use
* by ida_lsetup.
*
* The ida_lsetup routine should return 0 if successful,
* a positive value for a recoverable error, and a negative value
* for an unrecoverable error.
* -----------------------------------------------------------------
*/
/*
* -----------------------------------------------------------------
* int (*ida_lsolve)(IDAMem IDA_mem, N_Vector b, N_Vector weight,
* N_Vector ycur, N_Vector ypcur, N_Vector rescur);
* -----------------------------------------------------------------
* ida_lsolve must solve the linear equation P x = b, where
* P is some approximation to the system Jacobian
* J = (dF/dy) + cj (dF/dy')
* evaluated at (tn,ycur,ypcur) and the RHS vector b is input.
* The N-vector ycur contains the solver's current approximation
* to y(tn), ypcur contains that for y'(tn), and the vector rescur
* contains the N-vector residual F(tn,ycur,ypcur).
* The solution is to be returned in the vector b.
*
* The ida_lsolve routine should return 0 if successful,
* a positive value for a recoverable error, and a negative value
* for an unrecoverable error.
* -----------------------------------------------------------------
*/
/*
* -----------------------------------------------------------------
* int (*ida_lperf)(IDAMem IDA_mem, int perftask);
* -----------------------------------------------------------------
* ida_lperf is called two places in IDAS where linear solver
* performance data is required by IDAS. For perftask = 0, an
* initialization of performance variables is performed, while for
* perftask = 1, the performance is evaluated.
* -----------------------------------------------------------------
*/
/*
* =================================================================
* I D A S I N T E R N A L F U N C T I O N S
* =================================================================
*/
/* Prototype of internal ewtSet function */
int IDAEwtSet(N_Vector ycur, N_Vector weight, void *data);
/* High level error handler */
void IDAProcessError(IDAMem IDA_mem,
int error_code, const char *module, const char *fname,
const char *msgfmt, ...);
/* Prototype of internal errHandler function */
void IDAErrHandler(int error_code, const char *module, const char *function,
char *msg, void *data);
/* Prototype for internal sensitivity residual DQ function */
int IDASensResDQ(int Ns, realtype t,
N_Vector yy, N_Vector yp, N_Vector resval,
N_Vector *yyS, N_Vector *ypS, N_Vector *resvalS,
void *user_dataS,
N_Vector ytemp, N_Vector yptemp, N_Vector restemp);
/*
* =================================================================
* I D A S E R R O R M E S S A G E S
* =================================================================
*/
#if defined(SUNDIALS_EXTENDED_PRECISION)
#define MSG_TIME "t = %Lg, "
#define MSG_TIME_H "t = %Lg and h = %Lg, "
#define MSG_TIME_INT "t = %Lg is not between tcur - hu = %Lg and tcur = %Lg."
#define MSG_TIME_TOUT "tout = %Lg"
#define MSG_TIME_TSTOP "tstop = %Lg"
#elif defined(SUNDIALS_DOUBLE_PRECISION)
#define MSG_TIME "t = %lg, "
#define MSG_TIME_H "t = %lg and h = %lg, "
#define MSG_TIME_INT "t = %lg is not between tcur - hu = %lg and tcur = %lg."
#define MSG_TIME_TOUT "tout = %lg"
#define MSG_TIME_TSTOP "tstop = %lg"
#else
#define MSG_TIME "t = %g, "
#define MSG_TIME_H "t = %g and h = %g, "
#define MSG_TIME_INT "t = %g is not between tcur - hu = %g and tcur = %g."
#define MSG_TIME_TOUT "tout = %g"
#define MSG_TIME_TSTOP "tstop = %g"
#endif
/* General errors */
#define MSG_MEM_FAIL "A memory request failed."
#define MSG_NO_MEM "ida_mem = NULL illegal."
#define MSG_NO_MALLOC "Attempt to call before IDAMalloc."
#define MSG_BAD_NVECTOR "A required vector operation is not implemented."
/* Initialization errors */
#define MSG_Y0_NULL "y0 = NULL illegal."
#define MSG_YP0_NULL "yp0 = NULL illegal."
#define MSG_BAD_ITOL "Illegal value for itol. The legal values are IDA_SS, IDA_SV, and IDA_WF."
#define MSG_RES_NULL "res = NULL illegal."
#define MSG_BAD_RTOL "rtol < 0 illegal."
#define MSG_ATOL_NULL "atol = NULL illegal."
#define MSG_BAD_ATOL "Some atol component < 0.0 illegal."
#define MSG_ROOT_FUNC_NULL "g = NULL illegal."
#define MSG_MISSING_ID "id = NULL but suppressalg option on."
#define MSG_NO_TOLS "No integration tolerances have been specified."
#define MSG_FAIL_EWT "The user-provide EwtSet function failed."
#define MSG_BAD_EWT "Some initial ewt component = 0.0 illegal."
#define MSG_Y0_FAIL_CONSTR "y0 fails to satisfy constraints."
#define MSG_BAD_ISM_CONSTR "Constraints can not be enforced while forward sensitivity is used with simultaneous method."
#define MSG_LSOLVE_NULL "The linear solver's solve routine is NULL."
#define MSG_LINIT_FAIL "The linear solver's init routine failed."
#define MSG_NO_QUAD "Illegal attempt to call before calling IDAQuadInit."
#define MSG_BAD_EWTQ "Initial ewtQ has component(s) equal to zero (illegal)."
#define MSG_BAD_ITOLQ "Illegal value for itolQ. The legal values are IDA_SS and IDA_SV."
#define MSG_NO_TOLQ "No integration tolerances for quadrature variables have been specified."
#define MSG_NULL_ATOLQ "atolQ = NULL illegal."
#define MSG_BAD_RTOLQ "rtolQ < 0 illegal."
#define MSG_BAD_ATOLQ "atolQ has negative component(s) (illegal)."
#define MSG_NO_SENSI "Illegal attempt to call before calling IDASensInit."
#define MSG_BAD_EWTS "Initial ewtS has component(s) equal to zero (illegal)."
#define MSG_BAD_ITOLS "Illegal value for itolS. The legal values are IDA_SS, IDA_SV, and IDA_EE."
#define MSG_NULL_ATOLS "atolS = NULL illegal."
#define MSG_BAD_RTOLS "rtolS < 0 illegal."
#define MSG_BAD_ATOLS "atolS has negative component(s) (illegal)."
#define MSG_BAD_PBAR "pbar has zero component(s) (illegal)."
#define MSG_BAD_PLIST "plist has negative component(s) (illegal)."
#define MSG_BAD_NS "NS <= 0 illegal."
#define MSG_NULL_YYS0 "yyS0 = NULL illegal."
#define MSG_NULL_YPS0 "ypS0 = NULL illegal."
#define MSG_BAD_ISM "Illegal value for ism. Legal values are: IDA_SIMULTANEOUS and IDA_STAGGERED."
#define MSG_BAD_IS "Illegal value for is."
#define MSG_NULL_DKYA "dkyA = NULL illegal."
#define MSG_BAD_DQTYPE "Illegal value for DQtype. Legal values are: IDA_CENTERED and IDA_FORWARD."
#define MSG_BAD_DQRHO "DQrhomax < 0 illegal."
#define MSG_NULL_ABSTOLQS "abstolQS = NULL illegal parameter."
#define MSG_BAD_RELTOLQS "reltolQS < 0 illegal parameter."
#define MSG_BAD_ABSTOLQS "abstolQS has negative component(s) (illegal)."
#define MSG_NO_QUADSENSI "Forward sensitivity analysis for quadrature variables was not activated."
#define MSG_NULL_YQS0 "yQS0 = NULL illegal parameter."
/* IDACalcIC error messages */
#define MSG_IC_BAD_ICOPT "icopt has an illegal value."
#define MSG_IC_BAD_MAXBACKS "maxbacks <= 0 illegal."
#define MSG_IC_MISSING_ID "id = NULL conflicts with icopt."
#define MSG_IC_TOO_CLOSE "tout1 too close to t0 to attempt initial condition calculation."
#define MSG_IC_BAD_ID "id has illegal values."
#define MSG_IC_BAD_EWT "Some initial ewt component = 0.0 illegal."
#define MSG_IC_RES_NONREC "The residual function failed unrecoverably. "
#define MSG_IC_RES_FAIL "The residual function failed at the first call. "
#define MSG_IC_SETUP_FAIL "The linear solver setup failed unrecoverably."
#define MSG_IC_SOLVE_FAIL "The linear solver solve failed unrecoverably."
#define MSG_IC_NO_RECOVERY "The residual routine or the linear setup or solve routine had a recoverable error, but IDACalcIC was unable to recover."
#define MSG_IC_FAIL_CONSTR "Unable to satisfy the inequality constraints."
#define MSG_IC_FAILED_LINS "The linesearch algorithm failed: step too small or too many backtracks."
#define MSG_IC_CONV_FAILED "Newton/Linesearch algorithm failed to converge."
/* IDASolve error messages */
#define MSG_YRET_NULL "yret = NULL illegal."
#define MSG_YPRET_NULL "ypret = NULL illegal."
#define MSG_TRET_NULL "tret = NULL illegal."
#define MSG_BAD_ITASK "itask has an illegal value."
#define MSG_TOO_CLOSE "tout too close to t0 to start integration."
#define MSG_BAD_HINIT "Initial step is not towards tout."
#define MSG_BAD_TSTOP "The value " MSG_TIME_TSTOP " is behind current " MSG_TIME "in the direction of integration."
#define MSG_CLOSE_ROOTS "Root found at and very near " MSG_TIME "."
#define MSG_MAX_STEPS "At " MSG_TIME ", mxstep steps taken before reaching tout."
#define MSG_EWT_NOW_FAIL "At " MSG_TIME "the user-provide EwtSet function failed."
#define MSG_EWT_NOW_BAD "At " MSG_TIME "some ewt component has become <= 0.0."
#define MSG_TOO_MUCH_ACC "At " MSG_TIME "too much accuracy requested."
#define MSG_BAD_T "Illegal value for t. " MSG_TIME_INT
#define MSG_BAD_TOUT "Trouble interpolating at " MSG_TIME_TOUT ". tout too far back in direction of integration."
#define MSG_BAD_K "Illegal value for k."
#define MSG_NULL_DKY "dky = NULL illegal."
#define MSG_NULL_DKYP "dkyp = NULL illegal."
#define MSG_ERR_FAILS "At " MSG_TIME_H "the error test failed repeatedly or with |h| = hmin."
#define MSG_CONV_FAILS "At " MSG_TIME_H "the corrector convergence failed repeatedly or with |h| = hmin."
#define MSG_SETUP_FAILED "At " MSG_TIME "the linear solver setup failed unrecoverably."
#define MSG_SOLVE_FAILED "At " MSG_TIME "the linear solver solve failed unrecoverably."
#define MSG_REP_RES_ERR "At " MSG_TIME "repeated recoverable residual errors."
#define MSG_RES_NONRECOV "At " MSG_TIME "the residual function failed unrecoverably."
#define MSG_FAILED_CONSTR "At " MSG_TIME "unable to satisfy inequality constraints."
#define MSG_RTFUNC_FAILED "At " MSG_TIME ", the rootfinding routine failed in an unrecoverable manner."
#define MSG_NO_ROOT "Rootfinding was not initialized."
#define MSG_INACTIVE_ROOTS "At the end of the first step, there are still some root functions identically 0. This warning will not be issued again."
#define MSG_EWTQ_NOW_BAD "At " MSG_TIME ", a component of ewtQ has become <= 0."
#define MSG_QRHSFUNC_FAILED "At " MSG_TIME ", the quadrature right-hand side routine failed in an unrecoverable manner."
#define MSG_QRHSFUNC_UNREC "At " MSG_TIME ", the quadrature right-hand side failed in a recoverable manner, but no recovery is possible."
#define MSG_QRHSFUNC_REPTD "At " MSG_TIME "repeated recoverable quadrature right-hand side function errors."
#define MSG_QRHSFUNC_FIRST "The quadrature right-hand side routine failed at the first call."
#define MSG_NULL_P "p = NULL when using internal DQ for sensitivity residual is illegal."
#define MSG_EWTS_NOW_BAD "At " MSG_TIME ", a component of ewtS has become <= 0."
#define MSG_SRHSFUNC_FAILED "At " MSG_TIME ", the sensitivity residual routine failed in an unrecoverable manner."
#define MSG_SRHSFUNC_UNREC "At " MSG_TIME ", the sensitivity residual failed in a recoverable manner, but no recovery is possible."
#define MSG_SRHSFUNC_REPTD "At " MSG_TIME "repeated recoverable sensitivity residual function errors."
#define MSG_NO_TOLQS "No integration tolerances for quadrature sensitivity variables have been specified."
#define MSG_NULL_RHSQ "IDAS is expected to use DQ to evaluate the RHS of quad. sensi., but quadratures were not initialized."
#define MSG_BAD_EWTQS "Initial ewtQS has component(s) equal to zero (illegal)."
#define MSG_EWTQS_NOW_BAD "At " MSG_TIME ", a component of ewtQS has become <= 0."
#define MSG_QSRHSFUNC_FAILED "At " MSG_TIME ", the sensitivity quadrature right-hand side routine failed in an unrecoverable manner."
#define MSG_QSRHSFUNC_FIRST "The quadrature right-hand side routine failed at the first call."
/* IDASet* / IDAGet* error messages */
#define MSG_NEG_MAXORD "maxord<=0 illegal."
#define MSG_BAD_MAXORD "Illegal attempt to increase maximum order."
#define MSG_NEG_HMAX "hmax < 0 illegal."
#define MSG_NEG_EPCON "epcon <= 0.0 illegal."
#define MSG_BAD_CONSTR "Illegal values in constraints vector."
#define MSG_BAD_EPICCON "epiccon <= 0.0 illegal."
#define MSG_BAD_MAXNH "maxnh <= 0 illegal."
#define MSG_BAD_MAXNJ "maxnj <= 0 illegal."
#define MSG_BAD_MAXNIT "maxnit <= 0 illegal."
#define MSG_BAD_STEPTOL "steptol <= 0.0 illegal."
#define MSG_TOO_LATE "IDAGetConsistentIC can only be called before IDASolve."
/*
* =================================================================
* I D A A E R R O R M E S S A G E S
* =================================================================
*/
#define MSGAM_NULL_IDAMEM "ida_mem = NULL illegal."
#define MSGAM_NO_ADJ "Illegal attempt to call before calling IDAadjInit."
#define MSGAM_BAD_INTERP "Illegal value for interp."
#define MSGAM_BAD_STEPS "Steps nonpositive illegal."
#define MSGAM_BAD_WHICH "Illegal value for which."
#define MSGAM_NO_BCK "No backward problems have been defined yet."
#define MSGAM_NO_FWD "Illegal attempt to call before calling IDASolveF."
#define MSGAM_BAD_TB0 "The initial time tB0 is outside the interval over which the forward problem was solved."
#define MSGAM_BAD_SENSI "At least one backward problem requires sensitivities, but they were not stored for interpolation."
#define MSGAM_BAD_ITASKB "Illegal value for itaskB. Legal values are IDA_NORMAL and IDA_ONE_STEP."
#define MSGAM_BAD_TBOUT "The final time tBout is outside the interval over which the forward problem was solved."
#define MSGAM_BACK_ERROR "Error occured while integrating backward problem # %d"
#define MSGAM_BAD_TINTERP "Bad t = %g for interpolation."
#define MSGAM_BAD_T "Bad t for interpolation."
#define MSGAM_WRONG_INTERP "This function cannot be called for the specified interp type."
#define MSGAM_MEM_FAIL "A memory request failed."
#define MSGAM_NO_INITBS "Illegal attempt to call before calling IDAInitBS."
#ifdef __cplusplus
}
#endif
#endif
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