KmlIssCgClean?I
释放内部数据结构。
接口定义
C Interface:
int KmlIssCgCleanSI(KmlSolverTask **handle);
int KmlIssCgCleanDI(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 = KmlIssCgInitDI(&handle, n, a, ja, ia); ierr = KmlIssCgAnalyzeDI(&handle); ierr = KmlIssCgFactorizeDI(&handle); int nd = 1; int idata[] = {0}; double ddata[] = {0}; double eps = 1e-4; ierr = KmlIssCgSetDID(&handle, KMLSS_THRESHOLD, &eps, nd); int max_iters = 2000; ierr = KmlIssCgSetDII(&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 = KmlIssCgSolveDI(&handle, nb, x, ldx, b, ldb); ierr = KmlIssCgCleanDI(&handle); if (ierr != 0) { printf("\nERROR in KmlIssCgCleanDI: %d", ierr); return 1; }
父主题: CG