void FKIN_SOL(realtype *uu, int *globalstrategy,
realtype *uscale , realtype *fscale, int *ier)
{
N_Vector uuvec, uscalevec, fscalevec;
*ier = 0;
uuvec = uscalevec = fscalevec = NULL;
uuvec = F2C_KINSOL_vec;
N_VSetArrayPointer(uu, uuvec);
uscalevec = NULL;
uscalevec = N_VCloneEmpty(F2C_KINSOL_vec);
if (uscalevec == NULL) {
*ier = -4; /* KIN_MEM_FAIL */
return;
}
N_VSetArrayPointer(uscale, uscalevec);
fscalevec = NULL;
fscalevec = N_VCloneEmpty(F2C_KINSOL_vec);
if (fscalevec == NULL) {
N_VDestroy(uscalevec);
*ier = -4; /* KIN_MEM_FAIL */
return;
}
N_VSetArrayPointer(fscale, fscalevec);
/* Call main solver function */
*ier = KINSol(KIN_kinmem, uuvec, *globalstrategy, uscalevec, fscalevec);
N_VSetArrayPointer(NULL, uuvec);
N_VSetArrayPointer(NULL, uscalevec);
N_VDestroy(uscalevec);
N_VSetArrayPointer(NULL, fscalevec);
N_VDestroy(fscalevec);
/* load optional outputs into iout[] and rout[] */
KINGetWorkSpace(KIN_kinmem, &KIN_iout[0], &KIN_iout[1]); /* LENRW & LENIW */
KINGetNumNonlinSolvIters(KIN_kinmem, &KIN_iout[2]); /* NNI */
KINGetNumFuncEvals(KIN_kinmem, &KIN_iout[3]); /* NFE */
KINGetNumBetaCondFails(KIN_kinmem, &KIN_iout[4]); /* NBCF */
KINGetNumBacktrackOps(KIN_kinmem, &KIN_iout[5]); /* NBCKTRK */
KINGetFuncNorm(KIN_kinmem, &KIN_rout[0]); /* FNORM */
KINGetStepLength(KIN_kinmem, &KIN_rout[1]); /* SSTEP */
switch(KIN_ls) {
case KIN_LS_DENSE:
case KIN_LS_BAND:
case KIN_LS_LAPACKDENSE:
case KIN_LS_LAPACKBAND:
KINDlsGetWorkSpace(KIN_kinmem, &KIN_iout[6], &KIN_iout[7]); /* LRW & LIW */
KINDlsGetLastFlag(KIN_kinmem, (int *) &KIN_iout[8]); /* LSTF */
KINDlsGetNumFuncEvals(KIN_kinmem, &KIN_iout[9]); /* NFE */
KINDlsGetNumJacEvals(KIN_kinmem, &KIN_iout[10]); /* NJE */
case KIN_LS_SPTFQMR:
case KIN_LS_SPBCG:
case KIN_LS_SPGMR:
KINSpilsGetWorkSpace(KIN_kinmem, &KIN_iout[6], &KIN_iout[7]); /* LRW & LIW */
KINSpilsGetLastFlag(KIN_kinmem, (int *) &KIN_iout[8]); /* LSTF */
KINSpilsGetNumFuncEvals(KIN_kinmem, &KIN_iout[9]); /* NFE */
KINSpilsGetNumJtimesEvals(KIN_kinmem, &KIN_iout[10]); /* NJE */
KINSpilsGetNumPrecEvals(KIN_kinmem, &KIN_iout[11]); /* NPE */
KINSpilsGetNumPrecSolves(KIN_kinmem, &KIN_iout[12]); /* NPS */
KINSpilsGetNumLinIters(KIN_kinmem, &KIN_iout[13]); /* NLI */
KINSpilsGetNumConvFails(KIN_kinmem, &KIN_iout[14]); /* NCFL */
break;
}
return;
}
static void KIM_Stats(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
const char *fnames_solver[]= {
"nfe",
"nni",
"nbcf",
"nbops",
"fnorm",
"step",
"LSInfo",
};
const char *fnames_dense[]= {
"name",
"njeD",
"nfeD"
};
const char *fnames_spils[]= {
"name",
"nli",
"npe",
"nps",
"ncfl",
};
long int nfe, nni, nbcf, nbops;
double fnorm, step;
long int njeD, nfeD;
long int nli, npe, nps, ncfl;
int flag;
mxArray *mx_ls;
int nfields;
if (kim_Kdata == NULL) return;
flag = KINGetNumNonlinSolvIters(kin_mem, &nni);
flag = KINGetNumFuncEvals(kin_mem, &nfe);
flag = KINGetNumBetaCondFails(kin_mem, &nbcf);
flag = KINGetNumBacktrackOps(kin_mem, &nbops);
flag = KINGetFuncNorm(kin_mem, &fnorm);
flag = KINGetStepLength(kin_mem, &step);
nfields = sizeof(fnames_solver)/sizeof(*fnames_solver);
plhs[0] = mxCreateStructMatrix(1, 1, nfields, fnames_solver);
mxSetField(plhs[0], 0, "nfe", mxCreateScalarDouble((double)nfe));
mxSetField(plhs[0], 0, "nni", mxCreateScalarDouble((double)nni));
mxSetField(plhs[0], 0, "nbcf", mxCreateScalarDouble((double)nbcf));
mxSetField(plhs[0], 0, "nbops", mxCreateScalarDouble((double)nbops));
mxSetField(plhs[0], 0, "fnorm", mxCreateScalarDouble(fnorm));
mxSetField(plhs[0], 0, "step", mxCreateScalarDouble(step));
/* Linear Solver Statistics */
switch(ls) {
case LS_DENSE:
flag = KINDenseGetNumJacEvals(kin_mem, &njeD);
flag = KINDenseGetNumFuncEvals(kin_mem, &nfeD);
nfields = sizeof(fnames_dense)/sizeof(*fnames_dense);
mx_ls = mxCreateStructMatrix(1, 1, nfields, fnames_dense);
mxSetField(mx_ls, 0, "name", mxCreateString("Dense"));
mxSetField(mx_ls, 0, "njeD", mxCreateScalarDouble((double)njeD));
mxSetField(mx_ls, 0, "nfeD", mxCreateScalarDouble((double)nfeD));
break;
case LS_SPGMR:
case LS_SPBCG:
case LS_SPTFQMR:
flag = KINSpilsGetNumLinIters(kin_mem, &nli);
flag = KINSpilsGetNumPrecEvals(kin_mem, &npe);
flag = KINSpilsGetNumPrecSolves(kin_mem, &nps);
flag = KINSpilsGetNumConvFails(kin_mem, &ncfl);
nfields = sizeof(fnames_spils)/sizeof(*fnames_spils);
mx_ls = mxCreateStructMatrix(1, 1, nfields, fnames_spils);
if (ls == LS_SPGMR)
mxSetField(mx_ls, 0, "name", mxCreateString("GMRES"));
else if (ls == LS_SPBCG)
mxSetField(mx_ls, 0, "name", mxCreateString("BiCGStab"));
else
mxSetField(mx_ls, 0, "name", mxCreateString("TFQMR"));
mxSetField(mx_ls, 0, "nli", mxCreateScalarDouble((double)nli));
mxSetField(mx_ls, 0, "npe", mxCreateScalarDouble((double)npe));
mxSetField(mx_ls, 0, "nps", mxCreateScalarDouble((double)nps));
mxSetField(mx_ls, 0, "ncfl", mxCreateScalarDouble((double)ncfl));
break;
}
mxSetField(plhs[0], 0, "LSInfo", mx_ls);
return;
}