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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263
|
/*
* Copyright 2005-2016 ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
/********************************
* Enrico Fucile
*******************************/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
SUPER = grib_accessor_class_double
IMPLEMENTS = unpack_double;pack_double
IMPLEMENTS = init
IMPLEMENTS = next_offset
IMPLEMENTS = byte_count
IMPLEMENTS = value_count
IMPLEMENTS = byte_offset
MEMBERS = grib_arguments* arg
IMPLEMENTS = update_size
IMPLEMENTS = nearest_smaller_value
END_CLASS_DEF
*/
/* START_CLASS_IMP */
/*
Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
Instead edit values between START_CLASS_DEF and END_CLASS_DEF
or edit "accessor.class" and rerun ./make_class.pl
*/
static int pack_double(grib_accessor*, const double* val,size_t *len);
static int unpack_double(grib_accessor*, double* val,size_t *len);
static long byte_count(grib_accessor*);
static long byte_offset(grib_accessor*);
static long next_offset(grib_accessor*);
static int value_count(grib_accessor*,long*);
static void init(grib_accessor*,const long, grib_arguments* );
static void init_class(grib_accessor_class*);
static void update_size(grib_accessor*,size_t);
static int nearest_smaller_value (grib_accessor*, double,double*);
typedef struct grib_accessor_ibmfloat {
grib_accessor att;
/* Members defined in gen */
/* Members defined in double */
/* Members defined in ibmfloat */
grib_arguments* arg;
} grib_accessor_ibmfloat;
extern grib_accessor_class* grib_accessor_class_double;
static grib_accessor_class _grib_accessor_class_ibmfloat = {
&grib_accessor_class_double, /* super */
"ibmfloat", /* name */
sizeof(grib_accessor_ibmfloat), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
0, /* post_init */
0, /* free mem */
0, /* describes himself */
&next_offset, /* get length of section */
0, /* get length of string */
&value_count, /* get number of values */
&byte_count, /* get number of bytes */
&byte_offset, /* get offset to bytes */
0, /* get native type */
0, /* get sub_section */
0, /* grib_pack procedures long */
0, /* grib_pack procedures long */
0, /* grib_pack procedures long */
0, /* grib_unpack procedures long */
&pack_double, /* grib_pack procedures double */
&unpack_double, /* grib_unpack procedures double */
0, /* grib_pack procedures string */
0, /* grib_unpack procedures string */
0, /* grib_pack procedures bytes */
0, /* grib_unpack procedures bytes */
0, /* pack_expression */
0, /* notify_change */
&update_size, /* update_size */
0, /* preferred_size */
0, /* resize */
&nearest_smaller_value, /* nearest_smaller_value */
0, /* next accessor */
0, /* compare vs. another accessor */
0, /* unpack only ith value */
0, /* unpack a subarray */
0, /* clear */
};
grib_accessor_class* grib_accessor_class_ibmfloat = &_grib_accessor_class_ibmfloat;
static void init_class(grib_accessor_class* c)
{
c->dump = (*(c->super))->dump;
c->string_length = (*(c->super))->string_length;
c->get_native_type = (*(c->super))->get_native_type;
c->sub_section = (*(c->super))->sub_section;
c->pack_missing = (*(c->super))->pack_missing;
c->is_missing = (*(c->super))->is_missing;
c->pack_long = (*(c->super))->pack_long;
c->unpack_long = (*(c->super))->unpack_long;
c->pack_string = (*(c->super))->pack_string;
c->unpack_string = (*(c->super))->unpack_string;
c->pack_bytes = (*(c->super))->pack_bytes;
c->unpack_bytes = (*(c->super))->unpack_bytes;
c->pack_expression = (*(c->super))->pack_expression;
c->notify_change = (*(c->super))->notify_change;
c->preferred_size = (*(c->super))->preferred_size;
c->resize = (*(c->super))->resize;
c->next = (*(c->super))->next;
c->compare = (*(c->super))->compare;
c->unpack_double_element = (*(c->super))->unpack_double_element;
c->unpack_double_subarray = (*(c->super))->unpack_double_subarray;
c->clear = (*(c->super))->clear;
}
/* END_CLASS_IMP */
static void init(grib_accessor* a, const long len, grib_arguments* arg)
{
grib_accessor_ibmfloat* self = (grib_accessor_ibmfloat*)a;
long count=0;
self->arg = arg;
grib_value_count(a,&count);
a->length = 4*count;
Assert(a->length>=0);
}
static int unpack_double (grib_accessor* a, double* val, size_t *len)
{
unsigned long rlen = 0;
long count=0;
int err=0;
unsigned long i = 0;
long bitp = a->offset*8;
err=grib_value_count(a,&count);
if (err) return err;
rlen=count;
if(*len < rlen)
{
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR, " wrong size (%ld) for %s it contains %d values ", *len,a->name , rlen);
*len = 0;
return GRIB_ARRAY_TOO_SMALL;
}
for(i=0; i< rlen; i++)
val[i] = grib_long_to_ibm(grib_decode_unsigned_long(a->parent->h->buffer->data,&bitp,32));
*len = rlen;
return GRIB_SUCCESS;
}
static int pack_double (grib_accessor* a, const double* val, size_t *len)
{
grib_accessor_ibmfloat* self = (grib_accessor_ibmfloat*)a;
int ret = 0;
unsigned long i = 0;
unsigned long rlen = *len;
size_t buflen = 0;
unsigned char *buf = NULL;
long off = 0;
if(*len < 1)
{
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR, " wrong size for %s it pack at least 1 values ", a->name , rlen );
*len = 0;
return GRIB_ARRAY_TOO_SMALL;
}
if (rlen == 1){
/*
double x = 0;
grib_nearest_smaller_ibm_float(val[0],&x);
double y = grib_long_to_ibm(grib_ibm_to_long(val[0]));
printf("IBMFLOAT val=%.20f nearest_smaller_ibm_float=%.20f long_to_ibm=%.20f\n",val[0],x ,y);
*/
off = byte_offset(a)*8;
ret = grib_encode_unsigned_long(a->parent->h->buffer->data,grib_ibm_to_long(val[0]), &off, 32);
if (*len > 1) grib_context_log(a->parent->h->context, GRIB_LOG_WARNING, "grib_accessor_unsigned : Trying to pack %d values in a scalar %s, packing first value", *len, a->name );
if (ret == GRIB_SUCCESS) len[0] = 1;
return ret;
}
buflen = rlen*4;
buf = (unsigned char*)grib_context_malloc(a->parent->h->context,buflen);
for(i=0; i < rlen;i++){
grib_encode_unsigned_longb(buf,grib_ibm_to_long(val[i]), &off, 32);
}
ret = grib_set_long_internal(a->parent->h,grib_arguments_get_name(a->parent->h,self->arg,0),rlen);
if(ret == GRIB_SUCCESS)
grib_buffer_replace(a, buf, buflen,1,1);
else
*len = 0;
grib_context_free(a->parent->h->context,buf);
a->length = byte_count(a);
return ret;
}
static long byte_count(grib_accessor* a)
{
return a->length;
}
static int value_count(grib_accessor* a,long* len)
{
grib_accessor_ibmfloat* self = (grib_accessor_ibmfloat*)a;
*len = 0;
if(!self->arg) {*len=1;return 0;}
return grib_get_long_internal(a->parent->h,grib_arguments_get_name(a->parent->h,self->arg,0),len);
}
static long byte_offset(grib_accessor* a)
{
return a->offset;
}
static void update_size(grib_accessor* a,size_t s)
{
a->length = s;
Assert(a->length>=0);
}
static long next_offset(grib_accessor* a)
{
return grib_byte_offset(a)+grib_byte_count(a);
}
static int nearest_smaller_value(grib_accessor* a, double val,double* nearest)
{
int ret=0;
if (grib_nearest_smaller_ibm_float(val,nearest)==GRIB_INTERNAL_ERROR) {
grib_context_log(a->parent->h->context,GRIB_LOG_ERROR,"grib_nearest_smaller_ibm_float overflow value=%g\n",val);
grib_dump_content(a->parent->h,stderr,"wmo",GRIB_DUMP_FLAG_HEXADECIMAL,0);
ret=GRIB_INTERNAL_ERROR;
}
return ret;
}
|