/*
* Get a single numeric value from a variable of an open netCDF file.
*/
static void
c_ncvgt1 (
int ncid, /* netCDF ID */
int varid, /* variable ID */
const size_t* indices,/* multidim index of data to be read */
void* value, /* pointer to data value to be read */
int* rcode /* returned error code */
)
{
int status;
nc_type datatype;
if ((status = nc_inq_vartype(ncid, varid, &datatype)) == 0)
{
switch (datatype)
{
case NC_CHAR:
status = NC_ECHAR;
break;
case NC_BYTE:
# if NF_INT1_IS_C_SIGNED_CHAR
status = nc_get_var1_schar(ncid, varid, indices,
(signed char*)value);
# elif NF_INT1_IS_C_SHORT
status = nc_get_var1_short(ncid, varid, indices,
(short*)value);
# elif NF_INT1_IS_C_INT
status = nc_get_var1_int(ncid, varid, indices,
(int*)value);
# elif NF_INT1_IS_C_LONG
status = nc_get_var1_long(ncid, varid, indices,
(long*)value);
# endif
break;
case NC_SHORT:
# if NF_INT2_IS_C_SHORT
status = nc_get_var1_short(ncid, varid, indices,
(short*)value);
# elif NF_INT2_IS_C_INT
status = nc_get_var1_int(ncid, varid, indices,
(int*)value);
# elif NF_INT2_IS_C_LONG
status = nc_get_var1_long(ncid, varid, indices,
(long*)value);
# endif
break;
case NC_INT:
# if NF_INT_IS_C_INT
status = nc_get_var1_int(ncid, varid, indices,
(int*)value);
# elif NF_INT_IS_C_LONG
status = nc_get_var1_long(ncid, varid, indices,
(long*)value);
# endif
break;
case NC_FLOAT:
# if NF_REAL_IS_C_FLOAT
status = nc_get_var1_float(ncid, varid, indices,
(float*)value);
# elif NF_REAL_IS_C_DOUBLE
status = nc_get_var1_double(ncid, varid, indices,
(double*)value);
# endif
break;
case NC_DOUBLE:
# if NF_DOUBLEPRECISION_IS_C_FLOAT
status = nc_get_var1_float(ncid, varid, indices,
(float*)value);
# elif NF_DOUBLEPRECISION_IS_C_DOUBLE
status = nc_get_var1_double(ncid, varid, indices,
(double*)value);
# endif
break;
}
}
if (status == 0)
*rcode = 0;
else
{
nc_advise("NCVGT1", status, "");
*rcode = ncerr;
}
}
int extract_unary_single(int mpi_rank,int mpi_size, int ncid,int vlid,int ncidout,int vlidout,int ndims,nc_type vtype,size_t *shape,size_t *begins,size_t *ends, ptrdiff_t *strides,size_t preLen,size_t *outLen){
int i,j,res;
size_t *divider=(size_t *)malloc(sizeof(size_t)*ndims); //input divider
size_t *dividerOut=(size_t *)malloc(sizeof(size_t)*ndims); // output divider
size_t *start=(size_t*)malloc(sizeof(size_t)*ndims); //start position for reading element from input file
size_t *startOut=(size_t*)malloc(sizeof(size_t)*ndims); //start position for writing element to output file
size_t *shapeOut=(size_t*)malloc(sizeof(size_t)*ndims); //output dimension shape
int lenOut=1;
for(i=0;i<ndims;++i){
shapeOut[i]=(ends[i]-begins[i])/strides[i]+1;
lenOut*=shapeOut[i];
}
if(outLen!=NULL)
*outLen=lenOut;
getDivider(ndims,shape,divider);
getDivider(ndims,shapeOut,dividerOut);
/* decide element boundary for each mpi process */
size_t beginOut;
size_t endOut;
if(lenOut>=mpi_size){
beginOut=mpi_rank*(lenOut/mpi_size);
if(mpi_rank!=mpi_size-1)
endOut=(mpi_rank+1)*(lenOut/mpi_size);
else
endOut=lenOut;
}else{ //mpi_size is bigger than lenOut
if(mpi_rank<lenOut){
beginOut=mpi_rank;
endOut=mpi_rank+1;
}else{
beginOut=0;
endOut=0;
}
}
printf("mpi_rank %d, beginOut %d, endOut %d\n",mpi_rank,beginOut,endOut);
void *data=malloc(sizeof(double));
size_t rem,remIn;
for(i=beginOut;i<endOut;++i){
rem=i+preLen;
remIn=i;
for(j=0;j<ndims;++j){
startOut[j]=rem/dividerOut[j];
start[j]=begins[j]+(remIn/dividerOut[j])*strides[j];
rem=rem%dividerOut[j];
remIn=remIn%dividerOut[j];
}
switch(vtype){
case NC_BYTE:
if((res=nc_get_var1_uchar(ncid,vlid,start,data)))
BAIL(res);
if((res=nc_put_var1_uchar(ncidout,vlidout,startOut,(unsigned char *)data)))
BAIL(res);
break;
case NC_CHAR:
if((res=nc_get_var1_schar(ncid,vlid,start,(signed char *)data)))
BAIL(res);
if((res=nc_put_var1_schar(ncidout,vlidout,startOut,(signed char *)data)))
BAIL(res);
break;
case NC_SHORT:
if((res=nc_get_var1_short(ncid,vlid,start,data)))
BAIL(res);
if((res=nc_put_var1_short(ncidout,vlidout,startOut,(short *)data)))
BAIL(res);
break;
case NC_INT:
if((res=nc_get_var1_int(ncid,vlid,start,(int *)data)))
BAIL(res);
if((res=nc_put_var1_int(ncidout,vlidout,startOut,(int *)data)))
BAIL(res);
break;
case NC_FLOAT:
if((res=nc_get_var1_float(ncid,vlid,start,data)))
BAIL(res);
if((res=nc_put_var1_float(ncidout,vlidout,startOut,(float *)data)))
BAIL(res);
break;
case NC_DOUBLE:
if((res=nc_get_var1_double(ncid,vlid,start,data)))
BAIL(res);
if((res=nc_put_var1_double(ncidout,vlidout,startOut,(double *)data)))
BAIL(res);
break;
default:
printf("Unknown data type\n");
}
}
/*free resourses*/
free(divider);
free(dividerOut);
free(start);
free(startOut);
free(shapeOut);
free(data);
return 0;
}
/*ARGSUSED*/
int
main(int argc, char *argv[])
{
int cmode=NC_CLOBBER, omode, ret;
int id;
char buf[256];
#ifdef SYNCDEBUG
char *str = "one";
#endif
int ii;
size_t ui;
const struct tcdfvar *tvp = testvars;
union getret got;
const size_t initialsz = 8192;
size_t chunksz = 8192;
size_t align = 8192/32;
MPI_Init(&argc, &argv);
/* cmode |= NC_PNETCDF |NC_64BIT_OFFSET; */
cmode != NC_PNETCDF |NC_64BIT_DATA;
ret = nc_create_par(fname,cmode, MPI_COMM_WORLD, MPI_INFO_NULL, &id);
if(ret != NC_NOERR) {
fprintf(stderr,"Error %s in file %s at line %d\n",nc_strerror(ret),__FILE__,__LINE__);
exit(ret);
}
assert( nc_put_att_text(id, NC_GLOBAL,
"TITLE", 12, "another name") == NC_NOERR);
assert( nc_get_att_text(id, NC_GLOBAL,
"TITLE", buf) == NC_NOERR);
/* (void) printf("title 1 \"%s\"\n", buf); */
assert( nc_put_att_text(id, NC_GLOBAL,
"TITLE", strlen(fname), fname) == NC_NOERR);
assert( nc_get_att_text(id, NC_GLOBAL,
"TITLE", buf) == NC_NOERR);
buf[strlen(fname)] = 0;
/* (void) printf("title 2 \"%s\"\n", buf); */
assert( strcmp(fname, buf) == 0);
createtestdims(id, NUM_DIMS, sizes, dim_names);
testdims(id, NUM_DIMS, sizes, dim_names);
createtestvars(id, testvars, NUM_TESTVARS);
{
int ifill = -1; double dfill = -9999;
assert( nc_put_att_int(id, Long_id,
_FillValue, NC_INT, 1, &ifill) == NC_NOERR);
assert( nc_put_att_double(id, Double_id,
_FillValue, NC_DOUBLE, 1, &dfill) == NC_NOERR);
}
#ifdef REDEF
assert( nc__enddef(id, 0, align, 0, 2*align) == NC_NOERR );
assert( nc_put_var1_int(id, Long_id, indices[3], &birthday)
== NC_NOERR );
fill_seq(id);
assert( nc_redef(id) == NC_NOERR );
/* assert( nc_rename_dim(id,2, "a long dim name") == NC_NOERR); */
#endif
assert( nc_rename_dim(id,1, "IXX") == NC_NOERR);
assert( nc_inq_dim(id, 1, buf, &ui) == NC_NOERR);
/* (void) printf("dimrename: %s\n", buf); */
assert( nc_rename_dim(id,1, dim_names[1]) == NC_NOERR);
#ifdef ATTRX
assert( nc_rename_att(id, 1, "UNITS", "units") == NC_NOERR);
assert( nc_del_att(id, 4, "FIELDNAM")== NC_NOERR);
assert( nc_del_att(id, 2, "SCALEMIN")== NC_NOERR);
assert( nc_del_att(id, 2, "SCALEMAX")== NC_NOERR);
#endif /* ATTRX */
assert( nc__enddef(id, 0, align, 0, 2*align) == NC_NOERR );
#ifndef REDEF
fill_seq(id);
assert( nc_put_var1_int(id, Long_id, indices[3], &birthday)== NC_NOERR );
#endif
assert( nc_put_vara_schar(id, Byte_id, s_start, s_edges,
(signed char *)sentence)
== NC_NOERR);
assert( nc_put_var1_schar(id, Byte_id, indices[6], (signed char *)(chs+1))
== NC_NOERR);
assert( nc_put_var1_schar(id, Byte_id, indices[5], (signed char *)chs)
== NC_NOERR);
assert( nc_put_vara_text(id, Char_id, s_start, s_edges, sentence)
== NC_NOERR);
assert( nc_put_var1_text(id, Char_id, indices[6], (chs+1))
== NC_NOERR) ;
assert( nc_put_var1_text(id, Char_id, indices[5], chs)
== NC_NOERR);
assert( nc_put_var1_short(id, Short_id, indices[4], shs)
== NC_NOERR);
assert( nc_put_var1_float(id, Float_id, indices[2], &e)
== NC_NOERR);
assert( nc_put_var1_double(id, Double_id, indices[1], &zed)
== NC_NOERR);
assert( nc_put_var1_double(id, Double_id, indices[0], &pinot)
== NC_NOERR);
#ifdef SYNCDEBUG
(void) printf("Hit Return to sync\n");
gets(str);
nc_sync(id,0);
(void) printf("Sync done. Hit Return to continue\n");
gets(str);
#endif /* SYNCDEBUG */
ret = nc_close(id);
/* (void) printf("nc_close ret = %d\n\n", ret); */
/*
* read it
*/
omode = NC_NOWRITE;
omode = NC_NOWRITE | NC_PNETCDF;
if(ret != NC_NOERR)
{
(void) printf("Could not open %s: %s\n", fname,
nc_strerror(ret));
exit(1);
}
/* (void) printf("reopen id = %d for filename %s\n", */
/* id, fname); */
/* NC */
/* (void) printf("NC "); */
assert( nc_inq(id, &(cdesc->num_dims), &(cdesc->num_vars),
&(cdesc->num_attrs), &(cdesc->xtendim) ) == NC_NOERR);
assert((size_t) cdesc->num_dims == num_dims);
assert(cdesc->num_attrs == 1);
assert(cdesc->num_vars == NUM_TESTVARS);
/* (void) printf("done\n"); */
/* GATTR */
/* (void) printf("GATTR "); */
assert( nc_inq_attname(id, NC_GLOBAL, 0, adesc->mnem) == 0);
assert(strcmp("TITLE",adesc->mnem) == 0);
assert( nc_inq_att(id, NC_GLOBAL, adesc->mnem, &(adesc->type), &(adesc->len))== NC_NOERR);
assert( adesc->type == NC_CHAR );
assert( adesc->len == strlen(fname) );
assert( nc_get_att_text(id, NC_GLOBAL, "TITLE", buf)== NC_NOERR);
buf[adesc->len] = 0;
assert( strcmp(fname, buf) == 0);
/* VAR */
/* (void) printf("VAR "); */
assert( cdesc->num_vars == NUM_TESTVARS );
for(ii = 0; ii < cdesc->num_vars; ii++, tvp++ )
{
int jj;
assert( nc_inq_var(id, ii,
vdesc->mnem,
&(vdesc->type),
&(vdesc->ndims),
vdesc->dims,
&(vdesc->num_attrs)) == NC_NOERR);
if(strcmp(tvp->mnem , vdesc->mnem) != 0)
{
(void) printf("attr %d mnem mismatch %s, %s\n",
ii, tvp->mnem, vdesc->mnem);
continue;
}
if(tvp->type != vdesc->type)
{
(void) printf("attr %d type mismatch %d, %d\n",
ii, (int)tvp->type, (int)vdesc->type);
continue;
}
for(jj = 0; jj < vdesc->ndims; jj++ )
{
if(tvp->dims[jj] != vdesc->dims[jj] )
{
(void) printf(
"inconsistent dim[%d] for variable %d: %d != %d\n",
jj, ii, tvp->dims[jj], vdesc->dims[jj] );
continue;
}
}
/* VATTR */
/* (void) printf("VATTR\n"); */
for(jj=0; jj<vdesc->num_attrs; jj++ )
{
assert( nc_inq_attname(id, ii, jj, adesc->mnem) == NC_NOERR);
if( strcmp(adesc->mnem, reqattr[jj]) != 0 )
{
(void) printf("var %d attr %d mismatch %s != %s\n",
ii, jj, adesc->mnem, reqattr[jj] );
break;
}
}
if( nc_inq_att(id, ii, reqattr[0], &(adesc->type), &(adesc->len))
!= -1) {
assert( adesc->type == NC_CHAR );
assert( adesc->len == strlen(tvp->units) );
assert( nc_get_att_text(id,ii,reqattr[0],buf)== NC_NOERR);
buf[adesc->len] = 0;
assert( strcmp(tvp->units, buf) == 0);
}
if(
nc_inq_att(id, ii, reqattr[1], &(adesc->type), &(adesc->len))
!= -1)
{
assert( adesc->type == NC_DOUBLE );
assert( adesc->len == 1 );
assert( nc_get_att_double(id, ii, reqattr[1], &got.dbl)== NC_NOERR);
chkgot(adesc->type, got, tvp->validmin);
}
if(
nc_inq_att(id, ii, reqattr[2], &(adesc->type), &(adesc->len))
!= -1)
{
assert( adesc->type == NC_DOUBLE );
assert( adesc->len == 1 );
assert( nc_get_att_double(id, ii, reqattr[2], &got.dbl)== NC_NOERR);
chkgot(adesc->type, got, tvp->validmax);
}
if(
nc_inq_att(id, ii, reqattr[3], &(adesc->type), &(adesc->len))
!= -1)
{
assert( adesc->type == NC_DOUBLE );
assert( adesc->len ==1 );
assert( nc_get_att_double(id, ii, reqattr[3], &got.dbl)== NC_NOERR);
chkgot(adesc->type, got, tvp->scalemin);
}
if(
nc_inq_att(id, ii, reqattr[4], &(adesc->type), &(adesc->len))
!= -1)
{
assert( adesc->type == NC_DOUBLE );
assert( adesc->len == 1 );
assert( nc_get_att_double(id, ii, reqattr[4], &got.dbl)== NC_NOERR);
chkgot(adesc->type, got, tvp->scalemax);
}
if( nc_inq_att(id, ii, reqattr[5], &(adesc->type), &(adesc->len))== NC_NOERR)
{
assert( adesc->type == NC_CHAR );
assert( adesc->len == strlen(tvp->fieldnam) );
assert( nc_get_att_text(id,ii,reqattr[5],buf)== NC_NOERR);
buf[adesc->len] = 0;
assert( strcmp(tvp->fieldnam, buf) == 0);
}
}
/* (void) printf("fill_seq "); */
check_fill_seq(id);
/* (void) printf("Done\n"); */
assert( nc_get_var1_double(id, Double_id, indices[0], &got.dbl)== NC_NOERR);
/* (void) printf("got val = %f\n", got.dbl ); */
assert( nc_get_var1_double(id, Double_id, indices[1], &got.dbl)== NC_NOERR);
/* (void) printf("got val = %f\n", got.dbl ); */
assert( nc_get_var1_float(id, Float_id, indices[2], &got.fl[0])== NC_NOERR);
/* (void) printf("got val = %f\n", got.fl[0] ); */
assert( nc_get_var1_int(id, Long_id, indices[3], &got.in[0])== NC_NOERR);
/* (void) printf("got val = %d\n", got.in[0] ); */
assert( nc_get_var1_short(id, Short_id, indices[4], &got.sh[0])== NC_NOERR);
/* (void) printf("got val = %d\n", got.sh[0] ); */
assert( nc_get_var1_text(id, Char_id, indices[5], &got.by[0]) == NC_NOERR);
/* (void) printf("got NC_CHAR val = %c (0x%02x) \n", */
/* got.by[0] , got.by[0]); */
assert( nc_get_var1_text(id, Char_id, indices[6], &got.by[0]) == NC_NOERR);
/* (void) printf("got NC_CHAR val = %c (0x%02x) \n", */
/* got.by[0], got.by[0] ); */
(void) memset(buf,0,sizeof(buf));
assert( nc_get_vara_text(id, Char_id, s_start, s_edges, buf) == NC_NOERR);
/* (void) printf("got NC_CHAR val = \"%s\"\n", buf); */
assert( nc_get_var1_schar(id, Byte_id, indices[5],
(signed char *)&got.by[0])== NC_NOERR);
/* (void) printf("got val = %c (0x%02x) \n", got.by[0] , got.by[0]); */
assert( nc_get_var1_schar(id, Byte_id, indices[6],
(signed char *)&got.by[0])== NC_NOERR);
/* (void) printf("got val = %c (0x%02x) \n", got.by[0], got.by[0] ); */
(void) memset(buf,0,sizeof(buf));
assert( nc_get_vara_schar(id, Byte_id, s_start, s_edges,
(signed char *)buf)== NC_NOERR );
/* (void) printf("got val = \"%s\"\n", buf); */
{
double dbuf[NUM_RECS * SIZE_1 * SIZE_2];
assert(nc_get_var_double(id, Float_id, dbuf) == NC_NOERR);
/* (void) printf("got vals = %f ... %f\n", dbuf[0], */
/* dbuf[NUM_RECS * SIZE_1 * SIZE_2 -1] ); */
}
ret = nc_close(id);
/* (void) printf("re nc_close ret = %d\n", ret); */
MPI_Finalize();
return 0;
}
