/usr/include/itsol/ios.h is in libitsol-dev 1.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #define MAX_MAT 100
#define MAX_LINE 256
#define MAX_HBNAME 64
typedef struct _io_t {
FILE *fout; /* output file handle */
char outfile[MAX_LINE]; /* output filename */
char Fname[MAX_LINE]; /* matrix filename */
char HBnameF[MAX_HBNAME]; /* HB name */
char PrecMeth[MAX_LINE]; /* preconditioner being tested */
char type[4]; /* HB type */
int ndim; /* matrix size */
int nnz; /* number of nonzero */
/* parameters from inputs -----------------------------------------*/
int im; /* Dim of Krylov subspace [fgmr] */
int maxits; /* maximum number of fgmres iters */
double tol; /* tolerance for stopping fgmres */
double eps; /* for checking how close two rows of matrix are */
int nparam; /* number of tests for each preconditioner */
int lfil0; /* initial lfil */
int lfilInc; /* increment for lfil */
double tol0; /* initial drop tolerance */
double tolMul; /* multiplier for tol */
int fill_lev; /* initial level of fill for ILUK */
int fill_lev_inc; /* increment for level of fill for ILUK */
/* This value is always set to 1 */
/* (see read_inputs in aux.c for details)*/
int perm_type; /* indset perms (0) or PQ perms (1) */
int Bsize; /* block size - dual role. see input file */
/* for explanations */
/* result for output ----------------------------------------------*/
double rt_v; /* compression rate of vertices */
double rt_e; /* compression rate of edges */
double ceff; /* compression efficiency */
double tm_h; /* time for hash method [vbilu] */
double tm_a; /* time for angle method [vbilu] */
double tm_b; /* time for initial blocks (s) */
double tm_p; /* time for preconditioner (s) */
double tm_i; /* time for iteration (s) */
double fillfact; /* memory used during precondition */
int its; /* number of iterations */
double enorm; /* error norm: || x- x0|| */
double rnorm; /* final residual norm: ||Ax-Ax0|| */
} io_t;
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