KmlIssGcrClean?I
释放内部数据结构。
接口定义
C Interface:
int KmlIssGcrCleanSI(KmlSolverTask **handle);
int KmlIssGcrCleanDI(KmlSolverTask **handle);
参数
参数名 |
类型 |
描述 |
输入/输出 |
|---|---|---|---|
handle |
KmlSolverTask ** |
求解器句柄,传入之前步骤的变量。 |
输入/输出 |
返回值
返回值 |
类型 |
描述 |
|---|---|---|
KMLSS_NO_ERROR |
int |
正常执行。 |
KMLSS_NULL_ARGUMENT |
int |
handle为空参数。 |
依赖
#include "kml_iss.h"
示例
C Interface:
KmlSolverTask *handle;
int ierr;
int n = 8;
double a[26] = {1.0, 1.0, 2.0, 9.0, 2.0, 1.0, -3.0, 2.0, 3.0, 2.0, 1.0, 1.0, 9.0, -5.0, 2.0, 6.0, 1.0, -3.0, 1.0, 4.0, 1.0, -5.0, 7.0, 2.0,1.0, 2.0};
int ja[26] = {0, 3, 4, 1, 2, 3, 5, 1, 2, 7, 0, 1, 3, 6, 0, 4, 5, 1, 4, 5, 7, 3, 6, 2, 5, 7};
int ia[9] = {0, 3, 7, 10, 14, 17, 21, 23, 26};
ierr = KmlIssGcrInitDI(&handle, n, a, ja, ia);
ierr = KmlIssGcrAnalyzeDI(&handle);
ierr = KmlIssGcrFactorizeDI(&handle);
int nd = 1;
int idata[] = {0};
double ddata[] = {0};
double eps = 1e-4;
ierr = KmlIssGcrSetDID(&handle, KMLSS_THRESHOLD, &eps, nd);
int max_iters = 2000;
ierr = KmlIssGcrSetDII(&handle, KMLSS_MAX_ITERATION_COUNT, &max_iters, nd);
int ldx = n;
int ldb = n;
int nb = 1;
double b[8] = {4.0, 9.0, 7.0, 6.0, 9.0, 3.0, 2.0, 5.0};
double x[8];
ierr = KmlIssGcrSolveDI(&handle, nb, x, ldx, b, ldb);
ierr = KmlIssGcrCleanDI(&handle);
if (ierr != 0) {
printf("\nERROR in KmlIssGcrCleanDI: %d", ierr);
return 1;
}
父主题: GCR