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netcdf-c/nc_test/util.c
Ed Hartnett 18f4bca367 moving to trunk subdir
2010-06-03 13:24:43 +00:00

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/*********************************************************************
* Copyright 1996, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Id: util.c,v 1.27 2006/12/10 13:59:56 ed Exp $
*********************************************************************/
#include "tests.h"
#include <math.h>
void
print_nok(int nok)
{
if (verbose || nfails > 0)
print("\n");
print(" %d good comparisons. ", nok);
}
/* Is value within external type range? */
int
inRange(const double value, const nc_type datatype)
{
double min, max;
switch (datatype) {
case NC_CHAR: min = X_CHAR_MIN; max = X_CHAR_MAX; break;
case NC_BYTE: min = X_BYTE_MIN; max = X_BYTE_MAX; break;
case NC_SHORT: min = X_SHORT_MIN; max = X_SHORT_MAX; break;
case NC_INT: min = X_INT_MIN; max = X_INT_MAX; break;
case NC_FLOAT: min = X_FLOAT_MIN; max = X_FLOAT_MAX; break;
case NC_DOUBLE: min = X_DOUBLE_MIN; max = X_DOUBLE_MAX; break;
default: assert(0);
}
return value >= min && value <= max;
}
static int
inRange_uchar(const double value, const nc_type datatype)
{
if (datatype == NC_BYTE) {
return(value >= 0 && value <= 255);
}
/* else */
return inRange(value, datatype);
}
static int
inRange_float(const double value, const nc_type datatype)
{
double min, max;
switch (datatype) {
case NC_CHAR: min = X_CHAR_MIN; max = X_CHAR_MAX; break;
case NC_BYTE: min = X_BYTE_MIN; max = X_BYTE_MAX; break;
case NC_SHORT: min = X_SHORT_MIN; max = X_SHORT_MAX; break;
case NC_INT: min = X_INT_MIN; max = X_INT_MAX; break;
case NC_FLOAT:
if(FLT_MAX < X_FLOAT_MAX) {
min = (-FLT_MAX);
max = FLT_MAX;
} else {
min = X_FLOAT_MIN;
max = X_FLOAT_MAX;
}
break;
case NC_DOUBLE:
if(FLT_MAX < X_DOUBLE_MAX) {
min = (-FLT_MAX);
max = FLT_MAX;
} else {
min = X_DOUBLE_MIN;
max = X_DOUBLE_MAX;
}
break;
default: assert(0);
}
if(!( value >= min && value <= max)) {
#if 0 /* DEBUG */
if(datatype == NC_FLOAT) {
fprintf(stderr, "\n");
fprintf(stderr, "min % .17e\n", min);
fprintf(stderr, "value % .17e\n", value);
fprintf(stderr, "max % .17e\n", max);
}
#endif
return 0;
}
#if FLT_MANT_DIG != DBL_MANT_DIG
/* else */
{
const float fvalue = value;
return fvalue >= min && fvalue <= max;
}
#else
return 1;
#endif
}
/* wrapper for inRange to handle special NC_BYTE/uchar adjustment */
int
inRange3(
const double value,
const nc_type datatype,
const nct_itype itype)
{
switch (itype) {
case NCT_UCHAR:
return inRange_uchar(value, datatype);
case NCT_FLOAT:
return inRange_float(value, datatype);
default:
break;
}
return inRange(value, datatype);
}
/*
* Does x == y, where one is internal and other external (netCDF)?
* Use tolerant comparison based on IEEE FLT_EPSILON or DBL_EPSILON.
*/
int
equal(
const double x,
const double y,
nc_type extType, /* external data type */
nct_itype itype)
{
const double flt_epsilon = 1.19209290E-07;
const double dbl_epsilon = 2.2204460492503131E-16;
double epsilon;
epsilon = extType == NC_FLOAT || itype == NCT_FLOAT ? flt_epsilon : dbl_epsilon;
return ABS(x-y) <= epsilon * MAX( ABS(x), ABS(y));
}
/* Test whether two int vectors are equal. If so return 1, else 0 */
int
int_vec_eq(const int *v1, const int *v2, const int n)
{
int i;
for (i= 0; i < n && v1[i] == v2[i]; i++)
;
return i == n;
}
/*
* Generate random integer from 0 to n-1
* Like throwing an n-sided dice marked 0, 1, 2, ..., n-1
*/
int roll( int n )
{
int r;
do
/*
* Compute a pseudo-random value between 0.0 and 1.0, multiply
* it by n-1, and then find the nearest integer.
*
* We don't use RAND_MAX here because not all compilation
* environments define it (e.g. gcc(1) under SunOS 4.1.4).
*/
r = ((rand() % 32768) / 32767.0) * (n - 1) + 0.5;
while (r >= n);
return r;
}
/*
* Convert number to mixed base
*
* E.g. to convert 41 inches to yards, feet and inches:
* size_t base[] = {1, 3, 12};
* size_t result[3];
* status = toMixedBase(41, 3, base, result);
*
* Author: Harvey Davies, Unidata/UCAR, Boulder, Colorado
*/
int
toMixedBase(
size_t number, /* number to be converted to mixed base */
size_t length,
const size_t base[], /* dimensioned [length], base[0] ignored */
size_t result[]) /* dimensioned [length] */
{
size_t i;
if (length > 0) {
for (i = length - 1; i > 0; i--) {
if (base[i] == 0)
return 1;
result[i] = number % base[i];
number = number / base[i];
}
result[0] = number;
}
return 0;
}
/*
* Convert number from mixed base
*
* E.g. to convert 1 yard, 0 feet, 5 inches to inches:
* size_t number[] = {1, 0, 5};
* size_t base[] = {1, 3, 12};
* inches = fromMixedBase(3, number, base);
*
* Author: Harvey Davies, Unidata/UCAR, Boulder, Colorado
*/
size_t
fromMixedBase(
size_t length,
size_t number[], /* dimensioned [length] */
size_t base[]) /* dimensioned [length], base[0] ignored */
{
size_t i;
size_t result = 0;
for (i = 1; i < length; i++) {
result += number[i-1];
result *= base[i];
}
if (length > 0)
result += number[i-1];
return result;
}
/* Convert any nc_type to double */
int nc2dbl ( const nc_type datatype, const void *p, double *result)
{
if ( ! p ) return 2;
if ( ! result ) return 3;
switch (datatype) {
case NC_BYTE: *result = *((signed char *) p); break;
case NC_CHAR: *result = *((char *) p); break;
case NC_SHORT: *result = *((short *) p); break;
case NC_INT:
#if INT_MAX >= X_INT_MAX
*result = *((int *) p);
#else
*result = *((long *) p);
#endif
break;
case NC_FLOAT: *result = *((float *) p); break;
case NC_DOUBLE: *result = *((double *) p); break;
default: return 1;
}
return 0;
}
/* Convert double to any nc_type */
int dbl2nc ( const double d, const nc_type datatype, void *p)
{
double r; /* rounded value */
if (p) {
switch (datatype) {
case NC_BYTE:
r = floor(0.5+d);
if ( r < schar_min || r > schar_max ) return 2;
*((signed char *) p) = r;
break;
case NC_CHAR:
r = floor(0.5+d);
if ( r < text_min || r > text_max ) return 2;
*((char *) p) = r;
break;
case NC_SHORT:
r = floor(0.5+d);
if ( r < short_min || r > short_max ) return 2;
*((short *) p) = r;
break;
case NC_INT:
r = floor(0.5+d);
if ( r < long_min || r > long_max ) return 2;
#if INT_MAX >= X_INT_MAX
*((int *) p) = r;
#else
*((long *) p) = r;
#endif
break;
case NC_FLOAT:
if ( fabs(d) > float_max ) return 2;
*((float *) p) = d;
break;
case NC_DOUBLE:
*((double *) p) = d;
break;
default:
return 1;
}
return 0;
} else {
return 1;
}
}
#define FUZZ (1.19209290E-07)
#ifdef USE_EXTREME_NUMBERS
/* Generate data values as function of type, rank (-1 for attribute), index */
double
hash( const nc_type type, const int rank, const size_t *index )
{
double base;
double result;
int d; /* index of dimension */
/* If vector then elements 0 & 1 are min & max. Elements 2 & 3 are */
/* just < min & > max (except for NC_CHAR & NC_DOUBLE) */
if (abs(rank) == 1 && index[0] <= 3) {
switch (index[0]) {
case 0:
switch (type) {
case NC_CHAR: return X_CHAR_MIN;
case NC_BYTE: return X_BYTE_MIN;
case NC_SHORT: return X_SHORT_MIN;
case NC_INT: return X_INT_MIN;
case NC_FLOAT: return X_FLOAT_MIN;
case NC_DOUBLE: return X_DOUBLE_MIN;
default: assert(0);
}
case 1:
switch (type) {
case NC_CHAR: return X_CHAR_MAX;
case NC_BYTE: return X_BYTE_MAX;
case NC_SHORT: return X_SHORT_MAX;
case NC_INT: return X_INT_MAX;
case NC_FLOAT: return X_FLOAT_MAX;
case NC_DOUBLE: return X_DOUBLE_MAX;
default: assert(0);
}
case 2:
switch (type) {
case NC_CHAR: return 'A';
case NC_BYTE: return X_BYTE_MIN-1.0;
case NC_SHORT: return X_SHORT_MIN-1.0;
case NC_INT: return X_INT_MIN-1.0;
case NC_FLOAT: return X_FLOAT_MIN * (1.0 + FUZZ);
case NC_DOUBLE: return -1.0;
default: assert(0);
}
case 3:
switch (type) {
case NC_CHAR: return 'Z';
case NC_BYTE: return X_BYTE_MAX+1.0;
case NC_SHORT: return X_SHORT_MAX+1.0;
case NC_INT: return X_INT_MAX+1.0;
case NC_FLOAT: return X_FLOAT_MAX * (1.0 + FUZZ);
case NC_DOUBLE: return 1.0;
default: assert(0);
}
}
} else {
switch (type) {
case NC_CHAR: base = 2; break;
case NC_BYTE: base = -2; break;
case NC_SHORT: base = -5; break;
case NC_INT: base = -20; break;
case NC_FLOAT: base = -9; break;
case NC_DOUBLE: base = -10; break;
default: assert(0);
}
result = rank < 0 ? base * 7 : base * (rank + 1);
for (d = 0; d < abs(rank); d++)
result = base * (result + index[d]);
}
return result;
}
#else /* USE_EXTREME_NUMBERS */
#define SANE_SHORT 3333
#define SANE_INT 2222
#define SANE_FLOAT 300.0
#define SANE_DOUBLE 1000.0
/* Generate data values as function of type, rank (-1 for attribute), index */
double
hash( const nc_type type, const int rank, const size_t *index )
{
double base;
double result;
int d; /* index of dimension */
/* If vector then elements 0 & 1 are min & max. Elements 2 & 3 are */
/* just < min & > max (except for NC_CHAR & NC_DOUBLE) */
if (abs(rank) == 1 && index[0] <= 3) {
switch (index[0]) {
case 0:
switch (type) {
case NC_CHAR: return X_CHAR_MIN;
case NC_BYTE: return X_BYTE_MIN;
case NC_SHORT: return SANE_SHORT;
case NC_INT: return SANE_INT;
case NC_FLOAT: return SANE_FLOAT;
case NC_DOUBLE: return SANE_DOUBLE;
default: assert(0);
}
case 1:
switch (type) {
case NC_CHAR: return X_CHAR_MAX;
case NC_BYTE: return X_BYTE_MAX;
case NC_SHORT: return SANE_SHORT;
case NC_INT: return SANE_INT;
case NC_FLOAT: return SANE_FLOAT;
case NC_DOUBLE: return SANE_DOUBLE;
default: assert(0);
}
case 2:
switch (type) {
case NC_CHAR: return 'A';
case NC_BYTE: return X_BYTE_MIN-1.0;
case NC_SHORT: return SANE_SHORT-1.0;
case NC_INT: return SANE_INT-1.0;
case NC_FLOAT: return SANE_FLOAT * (1.0 + FUZZ);
case NC_DOUBLE: return -1.0;
default: assert(0);
}
case 3:
switch (type) {
case NC_CHAR: return 'Z';
case NC_BYTE: return X_BYTE_MAX+1.0;
case NC_SHORT: return SANE_SHORT+1.0;
case NC_INT: return SANE_INT+1.0;
case NC_FLOAT: return SANE_FLOAT * (1.0 + FUZZ);
case NC_DOUBLE: return 1.0;
default: assert(0);
}
}
} else {
switch (type) {
case NC_CHAR: base = 2; break;
case NC_BYTE: base = -2; break;
case NC_SHORT: base = -5; break;
case NC_INT: base = -20; break;
case NC_FLOAT: base = -9; break;
case NC_DOUBLE: base = -10; break;
default: assert(0);
}
result = rank < 0 ? base * 7 : base * (rank + 1);
for (d = 0; d < abs(rank); d++)
result = base * (result + index[d]);
}
return result;
}
#endif
/* wrapper for hash to handle special NC_BYTE/uchar adjustment */
double
hash4(
const nc_type type,
const int rank,
const size_t *index,
const nct_itype itype)
{
double result;
result = hash( type, rank, index );
if (itype == NCT_UCHAR && type == NC_BYTE && result >= -128 && result < 0)
result += 256;
return result;
}
static nc_type
char2type(char letter) {
switch (letter) {
case 'c': return NC_CHAR;
case 'b': return NC_BYTE;
case 's': return NC_SHORT;
case 'i': return NC_INT;
case 'f': return NC_FLOAT;
case 'd': return NC_DOUBLE;
default: assert(0);
}
return NC_CHAR; /* Just to keep compiler happy */
}
static void
init_dims(const char *digit)
{
int dimid; /* index of dimension */
for (dimid = 0; dimid < NDIMS; dimid++)
{
dim_len[dimid] = dimid == 0 ? NRECS : dimid;
dim_name[dimid][0] = 'D';
dim_name[dimid][1] = digit[dimid];
dim_name[dimid][2] = '\0';
}
}
static void
init_gatts(const char *type_letter)
{
int attid;
for (attid = 0; attid < NGATTS; attid++)
{
gatt_name[attid][0] = 'G';
gatt_name[attid][1] = type_letter[attid];
gatt_name[attid][2] = '\0';
gatt_len[attid] = 1 + attid;
gatt_type[attid] = char2type (type_letter[attid]);
}
}
static size_t
product(size_t nn, const size_t *sp)
{
size_t result = 1;
while(nn-- > 0)
result *= *sp++;
return result;
}
/*
define global variables:
dim_name, dim_len,
var_name, var_type, var_rank, var_shape, var_natts, var_dimid, var_nels
att_name, gatt_name, att_type, gatt_type, att_len, gatt_len
*/
void
init_gvars (void)
{
const size_t max_dim_len[MAX_RANK] = {
MAX_DIM_LEN +1,
MAX_DIM_LEN,
MAX_DIM_LEN
};
const char type_letter[] = "cbsifd";
const char digit[] = "r123456789";
size_t rank;
int vn; /* var number */
int xtype; /* index of type */
int an; /* attribute number */
assert(sizeof(max_dim_len)/sizeof(max_dim_len[0]) >= MAX_RANK);
init_dims(digit);
for (rank = 0, vn = 0, xtype = 0, an = 0; rank <= MAX_RANK; rank++)
{
/* number variables of a type and rank */
const size_t nvars = product(rank, max_dim_len);
int jj;
for (jj = 0; jj < nvars; jj++)
{
/* number types of this shape */
const int ntypes = rank < 2 ? NTYPES : 1;
int tc;
for (tc = 0; tc < ntypes;
tc++, vn++, xtype = (xtype + 1) % NTYPES)
{
size_t tmp[MAX_RANK];
var_name[vn][0] = type_letter[xtype];
var_type[vn] = char2type (type_letter[xtype]);
var_rank[vn] = rank;
var_natts[vn] = rank == 0 ? vn % (MAX_NATTS + 1) : 0;
{
int ac;
for (ac = 0; ac < var_natts[vn]; ac++, an++)
{
att_name[vn][ac][0] = type_letter[an % NTYPES];
att_name[vn][ac][1] = '\0';
att_len[vn][ac] = an;
att_type[vn][ac] = char2type (type_letter[an % NTYPES]);
}
} /* ac block */
#ifndef NDEBUG
assert(toMixedBase (jj, rank, max_dim_len, tmp) == 0);
#else
(void) toMixedBase (jj, rank, max_dim_len, tmp);
#endif
{
int dn; /* dimension number */
for (dn = 0; dn < rank; dn++)
var_dimid[vn][dn] = (int)tmp[dn];
for (dn = 0, var_nels[vn] = 1; dn < rank; dn++)
{
var_dimid[vn][dn] += dn > 0;
assert (var_dimid[vn][dn] <= 9);
var_name[vn][dn + 1] = digit[var_dimid[vn][dn]];
var_shape[vn][dn] = var_dimid[vn][dn] ?
var_dimid[vn][dn] : NRECS;
var_nels[vn] *= var_shape[vn][dn];
}
} /* dn block */
}
}
}
init_gatts(type_letter);
}
/* define dims defined by global variables */
void
def_dims(int ncid)
{
int err; /* status */
int i;
int dimid; /* dimension id */
for (i = 0; i < NDIMS; i++) {
err = nc_def_dim(ncid, dim_name[i], i==0 ? NC_UNLIMITED : dim_len[i],
&dimid);
IF (err) error("nc_def_dim: %s", nc_strerror(err));
}
}
/* define vars defined by global variables */
void
def_vars(int ncid)
{
int err; /* status */
int i;
int var_id;
for (i = 0; i < NVARS; i++) {
err = nc_def_var(ncid, var_name[i], var_type[i], var_rank[i],
var_dimid[i], &var_id);
IF (err) error("nc_def_var: %s", nc_strerror(err));
}
}
/* put attributes defined by global variables */
void
put_atts(int ncid)
{
int err; /* status */
int i;
size_t k;
int j; /* index of attribute */
int allInRange;
double att[MAX_NELS];
char catt[MAX_NELS];
for (i = -1; i < NVARS; i++) {
for (j = 0; j < NATTS(i); j++) {
if (ATT_TYPE(i,j) == NC_CHAR) {
for (k = 0; k < ATT_LEN(i,j); k++) {
catt[k] = hash(ATT_TYPE(i,j), -1, &k);
}
err = nc_put_att_text(ncid, i, ATT_NAME(i,j),
ATT_LEN(i,j), catt);
IF (err)
error("nc_put_att_text: %s", nc_strerror(err));
} else {
for (allInRange = 1, k = 0; k < ATT_LEN(i,j); k++) {
att[k] = hash(ATT_TYPE(i,j), -1, &k);
allInRange = allInRange && inRange(att[k], ATT_TYPE(i,j));
}
err = nc_put_att_double(ncid, i, ATT_NAME(i,j),
ATT_TYPE(i,j), ATT_LEN(i,j), att);
if (allInRange) {
IF (err)
error("nc_put_att_double: %s", nc_strerror(err));
} else {
IF (err != NC_ERANGE)
error("type-conversion range error: status = %d", err);
}
}
}
}
}
/* put variables defined by global variables */
void
put_vars(int ncid)
{
size_t start[MAX_RANK];
size_t index[MAX_RANK];
int err; /* status */
int i;
size_t j;
double value[MAX_NELS];
char text[MAX_NELS];
int allInRange;
for (j = 0; j < MAX_RANK; j++)
start[j] = 0;
for (i = 0; i < NVARS; i++) {
for (allInRange = 1, j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err) error("toMixedBase");
if (var_name[i][0] == 'c') {
text[j] = hash(var_type[i], var_rank[i], index);
} else {
value[j] = hash(var_type[i], var_rank[i], index);
allInRange = allInRange && inRange(value[j], var_type[i]);
}
}
if (var_name[i][0] == 'c') {
err = nc_put_vara_text(ncid, i, start, var_shape[i], text);
IF (err)
error("nc_put_vara_text: %s", nc_strerror(err));
} else {
err = nc_put_vara_double(ncid, i, start, var_shape[i], value);
if (allInRange) {
IF (err)
error("nc_put_vara_double: %s", nc_strerror(err));
} else {
IF (err != NC_ERANGE)
error("type-conversion range error: status = %d", err);
}
}
}
}
/* Create & write all of specified file using global variables */
void
write_file(char *filename)
{
int ncid; /* netCDF id */
int err; /* status */
err = nc_create(filename, NC_CLOBBER, &ncid);
IF (err)
error("nc_create: %s", nc_strerror(err));
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
put_vars(ncid);
err = nc_close (ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
}
/*
* check dimensions of specified file have expected name & length
*/
void
check_dims(int ncid)
{
char name[NC_MAX_NAME];
size_t length;
int i;
int err; /* status */
for (i = 0; i < NDIMS; i++) {
err = nc_inq_dim(ncid, i, name, &length);
IF (err)
error("nc_inq_dim: %s", nc_strerror(err));
IF (strcmp(name, dim_name[i]) != 0)
error("Unexpected name of dimension %d", i);
IF (length != dim_len[i])
error("Unexpected length %d of dimension %d", length, i);
}
}
/*
* check variables of specified file have expected name, type, shape & values
*/
void
check_vars(int ncid)
{
size_t index[MAX_RANK];
int err; /* status */
int i;
size_t j;
char text;
double value;
nc_type datatype;
int ndims;
int dimids[MAX_RANK];
int isChar;
double expect;
char name[NC_MAX_NAME];
size_t length;
int nok = 0; /* count of valid comparisons */
for (i = 0; i < NVARS; i++) {
isChar = var_type[i] == NC_CHAR;
err = nc_inq_var(ncid, i, name, &datatype, &ndims, dimids, NULL);
IF (err)
error("nc_inq_var: %s", nc_strerror(err));
IF (strcmp(name, var_name[i]) != 0)
error("Unexpected var_name");
IF (datatype != var_type[i])
error("Unexpected type");
IF (ndims != var_rank[i])
error("Unexpected rank");
for (j = 0; j < ndims; j++) {
err = nc_inq_dim(ncid, dimids[j], 0, &length);
IF (err)
error("nc_inq_dim: %s", nc_strerror(err));
IF (length != var_shape[i][j])
error("Unexpected shape");
}
for (j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err)
error("error in toMixedBase 2");
expect = hash( var_type[i], var_rank[i], index );
if (isChar) {
err = nc_get_var1_text(ncid, i, index, &text);
IF (err)
error("nc_get_var1_text: %s", nc_strerror(err));
IF (text != expect) {
error("Var %s value read 0x%02x not that expected 0x%02x ",
var_name[i], text, (char)expect);
print_n_size_t(var_rank[i], index);
} else {
#if 0
print("\nOk %s ", var_name[i]);
print_n_size_t(var_rank[i], index);
#endif
nok++;
}
} else {
err = nc_get_var1_double(ncid, i, index, &value);
if (inRange(expect,var_type[i])) {
IF (err) {
error("nc_get_var1_double: %s", nc_strerror(err));
} else {
IF (!equal(value,expect,var_type[i], NCT_DOUBLE)) {
error("Var %s value read % 12.5e not that expected % 12.7e ",
var_name[i], value, expect);
print_n_size_t(var_rank[i], index);
} else {
#if 0
print("\nOk %s ", var_name[i]);
print_n_size_t(var_rank[i], index);
#endif
nok++;
}
}
}
}
}
}
print_nok(nok);
}
/*
* check attributes of specified file have expected name, type, length & values
*/
void
check_atts(int ncid)
{
int err; /* status */
int i;
int j;
size_t k;
nc_type datatype;
char name[NC_MAX_NAME];
size_t length;
char text[MAX_NELS];
double value[MAX_NELS];
double expect;
int nok = 0; /* count of valid comparisons */
for (i = -1; i < NVARS; i++) {
for (j = 0; j < NATTS(i); j++) {
err = nc_inq_attname(ncid, i, j, name);
IF (err)
error("nc_inq_attname: %s", nc_strerror(err));
IF (strcmp(name, ATT_NAME(i,j)) != 0)
error("nc_inq_attname: unexpected name");
err = nc_inq_att(ncid, i, name, &datatype, &length);
IF (err)
error("nc_inq_att: %s", nc_strerror(err));
IF (datatype != ATT_TYPE(i,j))
error("nc_inq_att: unexpected type");
IF (length != ATT_LEN(i,j))
error("nc_inq_att: unexpected length");
if (datatype == NC_CHAR) {
err = nc_get_att_text(ncid, i, name, text);
IF (err)
error("nc_get_att_text: %s", nc_strerror(err));
for (k = 0; k < ATT_LEN(i,j); k++) {
IF (text[k] != hash(datatype, -1, &k)) {
error("nc_get_att_text: unexpected value");
} else {
nok++;
}
}
} else {
err = nc_get_att_double(ncid, i, name, value);
for (k = 0; k < ATT_LEN(i,j); k++) {
expect = hash(datatype, -1, &k);
if (inRange(expect,ATT_TYPE(i,j))) {
IF (err)
error("nc_get_att_double: %s", nc_strerror(err));
IF (!equal(value[k], expect, ATT_TYPE(i,j), NCT_DOUBLE)) {
error("Att value read not that expected");
} else {
nok++;
}
}
}
}
}
}
print_nok(nok);
}
/* Check file (dims, vars, atts) corresponds to global variables */
void
check_file(char *filename)
{
int ncid; /* netCDF id */
int err; /* status */
err = nc_open(filename, NC_NOWRITE, &ncid);
IF (err) {
error("nc_open: %s", nc_strerror(err));
} else {
check_dims(ncid);
check_vars(ncid);
check_atts(ncid);
err = nc_close (ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
}
}
/* TODO: Maybe this function belongs in the netcdf library. */
const char *
s_nc_type(nc_type type)
{
switch((int)type){
case NC_BYTE:
return "NC_BYTE";
case NC_CHAR:
return "NC_CHAR";
case NC_SHORT:
return "NC_SHORT";
case NC_INT:
return "NC_INT";
case NC_FLOAT:
return "NC_FLOAT";
case NC_DOUBLE:
return "NC_DOUBLE";
}
return "";
}
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