KmlDss(Spd/Hpd)Get?IL

Obtain handle-related long integer values.

Interface Definition

C interfaces:

int KmlDssSpdGetSIL(KmlSolverTask **pHandle, enum KmlSolverParam param, int64_t *value, int nvalue);

int KmlDssSpdGetDIL(KmlSolverTask **pHandle, enum KmlSolverParam param, int64_t *value, int nvalue);

int KmlDssHpdGetCIL(KmlSolverTask **pHandle, enum KmlSolverParam param, int64_t *value, int nvalue);

int KmlDssHpdGetZIL(KmlSolverTask **pHandle, enum KmlSolverParam param, int64_t *value, int nvalue);

Parameters

Parameter	Type	Description	Input/Output
pHandle	KmlSolverTask **	Solver handle. pHandle cannot be a null pointer.	Input
param	enum KmlSolverParam	KMLSS_FILL_IN indicates the number of fill-in elements.	Input
value	int64_t *	Array containing parameters related to direct solution methods.	Output
nvalue	int	Number of elements in the value array. Currently, the number must be 1.	Input

Return Value

Return Value	Type	Description
KMLSS_NO_ERROR	int	The execution is successful.
KMLSS_NULL_ARGUMENT	int	The pHandle or data pointer is null.
KMLSS_BAD_HANDLE	int	The format of pHandle is incorrect.
KMLSS_BAD_DATA_SIZE	int	The user-defined length (nvalue) of the value array is improper.
KMLSS_INTERNAL_ERROR	int	Failed to obtain KMLSS_FILL_IN because the pHandle status is abnormal.
KMLSS_BAD_SELECTOR	int	The input value of KML_SOLVER_PARAM is not supported currently or does not exist during the solving process.

Dependencies

#include "kml_dss.h" or #include "kml_solver.h"

Examples

C interface:

int n = 2;
int ia[3] = {0,2,4};
int ja[4] = {0,1,0,1};
double a[4] = {2,1,1,2};
double b[2] = {3,1};
double x[2];

int nrhs = 1;
int ldx = n, ldb = n;

KmlSolverTask *handle;
int ierr = KmlDssSpdInitDI(&handle, n, a, ja, ia);
if (ierr != 0) {
        printf("\nERROR in KmlDssSpdInitDI: %d", ierr);
}
ierr = KmlDssSpdAnalyzeDI(&handle);
if (ierr != 0) {
        printf("\nERROR in KmlDssSpdAnalyzeDI: %d", ierr);
}
ierr = KmlDssSpdFactorizeDI(&handle);
if (ierr != 0) {
        printf("\nERROR in KmlDssSpdFactorizeDI: %d", ierr);
}
ierr = KmlDssSpdSolveDI(&handle, nrhs, x, ldx, b, ldb);
if (ierr != 0) {
        printf("\nERROR in KmlDssSpdSolveDI: %d", ierr);
}

int64_t nnz;
ierr = KmlDssSpdGetDIL(&handle, KMLSS_FILL_IN, &nnz, 1);
if (ierr != 0) {
        printf("\nERROR in KmlDssSpdGetDIL: %d", ierr);
}
printf("NNZ = %lld\n", nnz);

Output:

NNZ = 4

Parent topic: LLT/LLH (DEPRECATED)