cg.c File Reference

Functions
void	cg (int n, void(*matvec)(int, const double[], double[]), void(*psolve)(int, const double[], double[]), void(*chkconv)(int, const double[], double, int, int *), const double b[], double x[], int maxiter, int *iter, double *res, int lwork, double work[], int *info)
	Solution of linear system Ax = b using conjugate gradient (CG) method (symmetric positive definite)