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/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/nctest/val.c,v 1.13 2006/10/31 16:22:01 ed Exp $
*********************************************************************/
#include <config.h>
#include <stdio.h>
#include "netcdf.h"
#include "testcdf.h"
#include "val.h"
#include "error.h"
/* fill typed value block with values of specified type */
void
val_fill(type, len, vals)
nc_type type; /* netcdf type, NC_BYTE, ..., NC_DOUBLE */
long len; /* number of elements to fill with */
void *vals; /* start of first block of values */
{
static char pname[] = "val_fill";
long half = len/2;
int iel;
union {
char *cp;
short *sp;
nclong *lp;
float *fp;
double *dp;
} gp;
switch (type) {
case NC_BYTE:
case NC_CHAR:
gp.cp = (char *) vals;
for (iel = 0; iel < len; iel++)
*gp.cp++ = (char) iel;
break;
case NC_SHORT:
gp.sp = (short *) vals;
for (iel = 0; iel < len; iel++)
*gp.sp++ = (short) (iel - half); /* negative and positive values */
break;
case NC_LONG:
gp.lp = (nclong *) vals;
for (iel = 0; iel < len; iel++)
*gp.lp++ = (nclong) (iel - half);
break;
case NC_FLOAT:
gp.fp = (float *) vals;
for (iel = 0; iel < len; iel++)
*gp.fp++ = (float) (iel+1);
break;
case NC_DOUBLE:
gp.dp = (double *) vals;
for (iel = 0; iel < len; iel++)
*gp.dp++ = (double) (iel - half);
break;
default:
error("%s: bad type, test program error", pname);
}
}
/* fill typed value block with zeros of specified type */
void
val_fill_zero(type, len, vals)
nc_type type; /* netcdf type, NC_BYTE, ..., NC_DOUBLE */
long len; /* number of elements to fill with */
void *vals; /* start of first block of values */
{
static char pname[] = "val_fill_zero";
int iel;
union {
char *cp;
short *sp;
nclong *lp;
float *fp;
double *dp;
} gp;
switch (type) {
case NC_BYTE:
case NC_CHAR:
gp.cp = (char *) vals;
for (iel = 0; iel < len; iel++)
*gp.cp++ = (char) 0;
break;
case NC_SHORT:
gp.sp = (short *) vals;
for (iel = 0; iel < len; iel++)
*gp.sp++ = (short) 0;
break;
case NC_LONG:
gp.lp = (nclong *) vals;
for (iel = 0; iel < len; iel++)
*gp.lp++ = (nclong) 0;
break;
case NC_FLOAT:
gp.fp = (float *) vals;
for (iel = 0; iel < len; iel++)
*gp.fp++ = (float) 0;
break;
case NC_DOUBLE:
gp.dp = (double *) vals;
for (iel = 0; iel < len; iel++)
*gp.dp++ = (double) 0;
break;
default:
error("%s: bad type, test program error", pname);
}
}
/*
* compare two typed value blocks, return 0 if equal, 1+n otherwise,
* where n is the index of the first differing element.
*/
int
val_cmp (type, len, v1, v2)
nc_type type; /* netcdf type, NC_BYTE, ..., NC_DOUBLE */
long len; /* number of elements of type to compare */
void *v1; /* start of first block of values */
void *v2; /* start of second block of values */
{
static char pname[] = "val_cmp";
int iel;
union {
char *cp;
short *sp;
nclong *lp;
float *fp;
double *dp;
} gp, hp;
switch (type) {
case NC_CHAR:
case NC_BYTE:
gp.cp = (char *) v1;
hp.cp = (char *) v2;
for (iel = 0; iel < len; iel++) {
if (*gp.cp != *hp.cp)
return (iel + 1);
gp.cp++;
hp.cp++;
}
break;
case NC_SHORT:
gp.sp = (short *) v1;
hp.sp = (short *) v2;
for (iel = 0; iel < len; iel++) {
if (*gp.sp != *hp.sp)
return (iel + 1);
gp.sp++;
hp.sp++;
}
break;
case NC_LONG:
gp.lp = (nclong *) v1;
hp.lp = (nclong *) v2;
for (iel = 0; iel < len; iel++) {
if (*gp.lp != *hp.lp)
return (iel + 1);
gp.lp++;
hp.lp++;
}
break;
case NC_FLOAT:
gp.fp = (float *) v1;
hp.fp = (float *) v2;
for (iel = 0; iel < len; iel++) {
if (*gp.fp != *hp.fp)
return (iel + 1);
gp.fp++;
hp.fp++;
}
break;
case NC_DOUBLE:
gp.dp = (double *) v1;
hp.dp = (double *) v2;
for (iel = 0; iel < len; iel++) {
if (*gp.dp != *hp.dp)
return (iel + 1);
gp.dp++;
hp.dp++;
}
break;
default:
error("%s: bad type, test program error", pname);
}
return 0; /* all values agree */
}
/* print typed value block with values of specified type */
void
val_out(type, len, vals)
nc_type type; /* netcdf type, NC_BYTE, ..., NC_DOUBLE */
long len; /* number of elements to fill with */
void *vals; /* start of first block of values */
{
static char pname[] = "val_oout";
int iel;
union {
char *cp;
short *sp;
nclong *lp;
float *fp;
double *dp;
} gp;
(void) fprintf(stderr," ");
switch (type) {
case NC_BYTE:
case NC_CHAR:
gp.cp = (char *) vals;
for (iel = 0; iel < len; iel++)
(void)fprintf(stderr,"%d%s",*gp.cp++,iel<len-1 ? ", " : "");
break;
case NC_SHORT:
gp.sp = (short *) vals;
for (iel = 0; iel < len; iel++)
(void)fprintf(stderr,"%d%s",*gp.sp++,iel<len-1 ? ", " : "");
break;
case NC_LONG:
gp.lp = (nclong *) vals;
for (iel = 0; iel < len; iel++)
(void)fprintf(stderr,"%d%s",*gp.lp++,iel<len-1 ? ", " : "");
break;
case NC_FLOAT:
gp.fp = (float *) vals;
for (iel = 0; iel < len; iel++)
(void)fprintf(stderr,"%g%s",*gp.fp++,iel<len-1 ? ", " : "");
break;
case NC_DOUBLE:
gp.dp = (double *) vals;
for (iel = 0; iel < len; iel++)
(void)fprintf(stderr,"%g%s",*gp.dp++,iel<len-1 ? ", " : "");
break;
default:
error("%s: bad type, test program error", pname);
}
(void) putc('\n',stderr);
}
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