int KINBBDSptfqmr(void *kinmem, int maxl, void *p_data)
{
KINMem kin_mem;
int flag;
flag = KINSptfqmr(kinmem, maxl);
if (flag != KINSPILS_SUCCESS) return(flag);
kin_mem = (KINMem) kinmem;
if (p_data == NULL) {
KINProcessError(kin_mem, KINBBDPRE_PDATA_NULL, "KINBBDPRE", "KINBBDSptfqmr", MSGBBD_PDATA_NULL);
return(KINBBDPRE_PDATA_NULL);
}
flag = KINSpilsSetPreconditioner(kinmem,
KINBBDPrecSetup,
KINBBDPrecSolve,
p_data);
if (flag != KINSPILS_SUCCESS) return(flag);
return(KINSPILS_SUCCESS);
}
int main(void)
{
int globalstrategy, linsolver;
realtype fnormtol, scsteptol;
N_Vector cc, sc, constraints;
UserData data;
int flag, maxl, maxlrst;
void *kmem;
cc = sc = constraints = NULL;
kmem = NULL;
data = NULL;
/* Allocate memory, and set problem data, initial values, tolerances */
globalstrategy = KIN_NONE;
data = AllocUserData();
if (check_flag((void *)data, "AllocUserData", 2)) return(1);
InitUserData(data);
/* Create serial vectors of length NEQ */
cc = N_VNew_Serial(NEQ);
if (check_flag((void *)cc, "N_VNew_Serial", 0)) return(1);
sc = N_VNew_Serial(NEQ);
if (check_flag((void *)sc, "N_VNew_Serial", 0)) return(1);
data->rates = N_VNew_Serial(NEQ);
if (check_flag((void *)data->rates, "N_VNew_Serial", 0)) return(1);
constraints = N_VNew_Serial(NEQ);
if (check_flag((void *)constraints, "N_VNew_Serial", 0)) return(1);
N_VConst(TWO, constraints);
SetInitialProfiles(cc, sc);
fnormtol=FTOL; scsteptol=STOL;
/* Call KINCreate/KINInit to initialize KINSOL:
nvSpec is the nvSpec pointer used in the serial version
A pointer to KINSOL problem memory is returned and stored in kmem. */
kmem = KINCreate();
if (check_flag((void *)kmem, "KINCreate", 0)) return(1);
/* Vector cc passed as template vector. */
flag = KINInit(kmem, func, cc);
if (check_flag(&flag, "KINInit", 1)) return(1);
flag = KINSetUserData(kmem, data);
if (check_flag(&flag, "KINSetUserData", 1)) return(1);
flag = KINSetConstraints(kmem, constraints);
if (check_flag(&flag, "KINSetConstraints", 1)) return(1);
flag = KINSetFuncNormTol(kmem, fnormtol);
if (check_flag(&flag, "KINSetFuncNormTol", 1)) return(1);
flag = KINSetScaledStepTol(kmem, scsteptol);
if (check_flag(&flag, "KINSetScaledStepTol", 1)) return(1);
/* We no longer need the constraints vector since KINSetConstraints
creates a private copy for KINSOL to use. */
N_VDestroy_Serial(constraints);
/* START: Loop through SPGMR, SPBCG and SPTFQMR linear solver modules */
for (linsolver = 0; linsolver < 3; ++linsolver) {
/* Re-initialize user data */
if (linsolver != 0) SetInitialProfiles(cc, sc);
/* Attach a linear solver module */
switch(linsolver) {
/* (a) SPGMR */
case(USE_SPGMR):
/* Print header */
printf(" -------");
printf(" \n| SPGMR |\n");
printf(" -------\n");
/* Call KINSpgmr to specify the linear solver KINSPGMR with preconditioner
routines PrecSetupBD and PrecSolveBD, and the pointer to the user block data. */
maxl = 15;
maxlrst = 2;
flag = KINSpgmr(kmem, maxl);
if (check_flag(&flag, "KINSpgmr", 1)) return(1);
flag = KINSpilsSetMaxRestarts(kmem, maxlrst);
if (check_flag(&flag, "KINSpilsSetMaxRestarts", 1)) return(1);
break;
/* (b) SPBCG */
case(USE_SPBCG):
/* Print header */
printf(" -------");
printf(" \n| SPBCG |\n");
printf(" -------\n");
/* Call KINSpbcg to specify the linear solver KINSPBCG with preconditioner
routines PrecSetupBD and PrecSolveBD, and the pointer to the user block data. */
maxl = 15;
flag = KINSpbcg(kmem, maxl);
if (check_flag(&flag, "KINSpbcg", 1)) return(1);
break;
/* (c) SPTFQMR */
case(USE_SPTFQMR):
/* Print header */
printf(" ---------");
printf(" \n| SPTFQMR |\n");
printf(" ---------\n");
/* Call KINSptfqmr to specify the linear solver KINSPTFQMR with preconditioner
routines PrecSetupBD and PrecSolveBD, and the pointer to the user block data. */
maxl = 25;
flag = KINSptfqmr(kmem, maxl);
if (check_flag(&flag, "KINSptfqmr", 1)) return(1);
break;
}
/* Set preconditioner functions */
flag = KINSpilsSetPreconditioner(kmem,
PrecSetupBD,
PrecSolveBD);
if (check_flag(&flag, "KINSpilsSetPreconditioner", 1)) return(1);
/* Print out the problem size, solution parameters, initial guess. */
PrintHeader(globalstrategy, maxl, maxlrst, fnormtol, scsteptol, linsolver);
/* Call KINSol and print output concentration profile */
flag = KINSol(kmem, /* KINSol memory block */
cc, /* initial guess on input; solution vector */
globalstrategy, /* global stragegy choice */
sc, /* scaling vector, for the variable cc */
sc); /* scaling vector for function values fval */
if (check_flag(&flag, "KINSol", 1)) return(1);
printf("\n\nComputed equilibrium species concentrations:\n");
PrintOutput(cc);
/* Print final statistics and free memory */
PrintFinalStats(kmem, linsolver);
} /* END: Loop through SPGMR, SPBCG and SPTFQMR linear solver modules */
N_VDestroy_Serial(cc);
N_VDestroy_Serial(sc);
KINFree(&kmem);
FreeUserData(data);
return(0);
}
void FKIN_SPTFQMR(int *maxl, int *ier)
{
*ier = KINSptfqmr(KIN_kinmem, *maxl);
KIN_ls = KIN_LS_SPTFQMR;
}
static void KIM_Malloc(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
int status;
mxArray *mx_in[3], *mx_out[2];
int mxiter, msbset, msbsetsub, etachoice, mxnbcf;
double eta, egamma, ealpha, mxnewtstep, relfunc, fnormtol, scsteptol;
booleantype verbose, noInitSetup, noMinEps;
double *constraints;
N_Vector NVconstraints;
int ptype;
int mudq, mldq, mupper, mlower;
int maxl, maxrs;
double dqrely;
/*
* -----------------------------
* Find out the vector type and
* then pass it to the vector
* library.
* -----------------------------
*/
/* Send vec_type and mx_comm */
InitVectors();
/*
* -----------------------------
* Extract stuff from arguments:
* - SYS function
* - problem dimension
* - solver options
* - user data
* -----------------------------
*/
/* Matlab user-provided function */
mxDestroyArray(mx_SYSfct);
mx_SYSfct = mxDuplicateArray(prhs[0]);
/* problem dimension */
N = (int) mxGetScalar(prhs[1]);
/* Solver Options -- optional argument */
status = get_SolverOptions(prhs[2],
&verbose,
&mxiter, &msbset, &msbsetsub, &etachoice, &mxnbcf,
&eta, &egamma, &ealpha, &mxnewtstep,
&relfunc, &fnormtol, &scsteptol,
&constraints,
&noInitSetup, &noMinEps);
/* User data -- optional argument */
mxDestroyArray(mx_data);
mx_data = mxDuplicateArray(prhs[3]);
/*
* -----------------------------------------------------
* Set solution vector (used as a template to KINMAlloc)
* -----------------------------------------------------
*/
y = NewVector(N);
/*
* ----------------------------------------
* Create kinsol object and allocate memory
* ----------------------------------------
*/
kin_mem = KINCreate();
/* attach error handler function */
status = KINSetErrHandlerFn(kin_mem, mtlb_KINErrHandler, NULL);
if (verbose) {
status = KINSetPrintLevel(kin_mem,3);
/* attach info handler function */
status = KINSetInfoHandlerFn(kin_mem, mtlb_KINInfoHandler, NULL);
/* initialize the output window */
mx_in[0] = mxCreateScalarDouble(0);
mx_in[1] = mxCreateScalarDouble(0); /* ignored */
mx_in[2] = mxCreateScalarDouble(0); /* ignored */
mexCallMATLAB(1,mx_out,3,mx_in,"kim_info");
fig_handle = (int)*mxGetPr(mx_out[0]);
}
/* Call KINMalloc */
status = KINMalloc(kin_mem, mtlb_KINSys, y);
/* Redirect output */
status = KINSetErrFile(kin_mem, stdout);
/* Optional inputs */
status = KINSetNumMaxIters(kin_mem,mxiter);
status = KINSetNoInitSetup(kin_mem,noInitSetup);
status = KINSetNoMinEps(kin_mem,noMinEps);
status = KINSetMaxSetupCalls(kin_mem,msbset);
status = KINSetMaxSubSetupCalls(kin_mem,msbsetsub);
status = KINSetMaxBetaFails(kin_mem,mxnbcf);
status = KINSetEtaForm(kin_mem,etachoice);
status = KINSetEtaConstValue(kin_mem,eta);
status = KINSetEtaParams(kin_mem,egamma,ealpha);
status = KINSetMaxNewtonStep(kin_mem,mxnewtstep);
status = KINSetRelErrFunc(kin_mem,relfunc);
status = KINSetFuncNormTol(kin_mem,fnormtol);
status = KINSetScaledStepTol(kin_mem,scsteptol);
if (constraints != NULL) {
NVconstraints = N_VCloneEmpty(y);
N_VSetArrayPointer(constraints, NVconstraints);
status = KINSetConstraints(kin_mem,NVconstraints);
N_VDestroy(NVconstraints);
}
status = get_LinSolvOptions(prhs[2],
&mupper, &mlower,
&mudq, &mldq, &dqrely,
&ptype, &maxrs, &maxl);
switch (ls) {
case LS_NONE:
mexErrMsgTxt("KINMalloc:: no linear solver specified.");
break;
case LS_DENSE:
status = KINDense(kin_mem, N);
if (!mxIsEmpty(mx_JACfct))
status = KINDenseSetJacFn(kin_mem, mtlb_KINDenseJac, NULL);
break;
case LS_BAND:
status = KINBand(kin_mem, N, mupper, mlower);
if (!mxIsEmpty(mx_JACfct))
status = KINBandSetJacFn(kin_mem, mtlb_KINBandJac, NULL);
break;
case LS_SPGMR:
switch(pm) {
case PM_NONE:
status = KINSpgmr(kin_mem, maxl);
if (!mxIsEmpty(mx_PSOLfct)) {
if (!mxIsEmpty(mx_PSETfct))
status = KINSpilsSetPreconditioner(kin_mem, mtlb_KINSpilsPset, mtlb_KINSpilsPsol, NULL);
else
status = KINSpilsSetPreconditioner(kin_mem, NULL, mtlb_KINSpilsPsol, NULL);
}
break;
case PM_BBDPRE:
if (!mxIsEmpty(mx_GCOMfct))
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, mtlb_KINGcom);
else
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, NULL);
status = KINBBDSpgmr(kin_mem, maxl, bbd_data);
break;
}
status = KINSpilsSetMaxRestarts(kin_mem, maxrs);
if (!mxIsEmpty(mx_JACfct))
status = KINSpilsSetJacTimesVecFn(kin_mem, mtlb_KINSpilsJac, NULL);
break;
case LS_SPBCG:
switch(pm) {
case PM_NONE:
status = KINSpbcg(kin_mem, maxl);
if (!mxIsEmpty(mx_PSOLfct)) {
if (!mxIsEmpty(mx_PSETfct))
status = KINSpilsSetPreconditioner(kin_mem, mtlb_KINSpilsPset, mtlb_KINSpilsPsol, NULL);
else
status = KINSpilsSetPreconditioner(kin_mem, NULL, mtlb_KINSpilsPsol, NULL);
}
break;
case PM_BBDPRE:
if (!mxIsEmpty(mx_GCOMfct))
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, mtlb_KINGcom);
else
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, NULL);
status = KINBBDSpbcg(kin_mem, maxl, bbd_data);
break;
}
if (!mxIsEmpty(mx_JACfct))
status = KINSpilsSetJacTimesVecFn(kin_mem, mtlb_KINSpilsJac, NULL);
break;
case LS_SPTFQMR:
switch(pm) {
case PM_NONE:
status = KINSptfqmr(kin_mem, maxl);
if (!mxIsEmpty(mx_PSOLfct)) {
if (!mxIsEmpty(mx_PSETfct))
status = KINSpilsSetPreconditioner(kin_mem, mtlb_KINSpilsPset, mtlb_KINSpilsPsol, NULL);
else
status = KINSpilsSetPreconditioner(kin_mem, NULL, mtlb_KINSpilsPsol, NULL);
}
break;
case PM_BBDPRE:
if (!mxIsEmpty(mx_GCOMfct))
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, mtlb_KINGcom);
else
bbd_data = KINBBDPrecAlloc(kin_mem, N, mudq, mldq, mupper, mlower, dqrely, mtlb_KINGloc, NULL);
status = KINBBDSptfqmr(kin_mem, maxl, bbd_data);
break;
}
if (!mxIsEmpty(mx_JACfct))
status = KINSpilsSetJacTimesVecFn(kin_mem, mtlb_KINSpilsJac, NULL);
break;
}
return;
}
