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/*--------------------------------------------------------------------------*/
/* inititializes the random file with descriptor "fd" with "nofRows" rows
of zero values columns. each row consists of "nofCols" columns.
assumes that the file is rewound and empty.
returns 1 if successful and 0 for any kind of error. */
#include "G.h"
#define FCB G__.fileinfo[fd]
/*--------------------------------------------------------------------------*/
int
G__random_d_initialize_0 (fd, nofRows, nofCols)
int fd;
int nofRows, nofCols;
{
int row, col;
double zeroVal, *zeroValP;
register XDR* xdrs;
xdrs = &FCB.xdrstream; /* xdr stream is initialized to write into */
xdr_setpos (xdrs, 0); /* G__.work_buf in 'opencell.c' */
zeroVal = 0;
zeroValP = &zeroVal;
for (col = nofCols; col--;)
if (! xdr_double (xdrs, zeroValP)) {
G_warning( "G_random_d_initialize_0: xdr_double failed for index %d.\n",
col);
return -1;
}
for (row = 0; row < nofRows; row++)
if (G__write_data (fd, row, nofCols) == -1) {
G_warning( "G_random_d_initialize_0: write failed in row %d.\n", row);
return -1;
}
return 1;
}
/*--------------------------------------------------------------------------*/
/* inititializes the random file with descriptor "fd" with "nofRows" rows
of zero values columns. each row consists of "nofCols" columns.
assumes that the file is rewound and empty.
returns 1 if successful and 0 for any kind of error. */
int
G__random_f_initialize_0 (fd, nofRows, nofCols)
int fd;
int nofRows, nofCols;
{
int row, col;
float zeroVal, *zeroValP;
register XDR* xdrs;
xdrs = &FCB.xdrstream; /* xdr stream is initialized to write into */
xdr_setpos (xdrs, 0); /* G__.work_buf in 'opencell.c' */
zeroVal = 0;
zeroValP = &zeroVal;
for (col = nofCols; col--;)
if (! xdr_float (xdrs, zeroValP)) {
G_warning("G_random_f_initialize_0: xdr_float failed for index %d.\n",
col);
return 0;
}
for (row = 0; row < nofRows; row++)
if (G__write_data (fd, row, nofCols) == -1) {
G_warning( "G_random_f_initialize_0: write failed in row %d.\n", row);
return 0;
}
return 1;
}
/*--------------------------------------------------------------------------*/
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