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/*
* (C) Copyright 2005- 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.
*/
#include "grib_api.h"
/*
* Test that packing sets the correct numberOfValues
* philippe.marguinaud@meteo.fr, 2016/02
*/
#include "grib_gridded_values.h" // array 'values' defined here
#define NLON 81
#define NLAT 166
int main(int argc, char* argv[])
{
size_t len, slen;
grib_handle* h = NULL;
const char* packingType[] = { "grid_second_order", "grid_complex_spatial_differencing", "grid_complex" };
const size_t numTypes = sizeof(packingType)/sizeof(packingType[0]);
const double zmiss = 9999999999.;
long numberOfValues, numberOfDataPoints;
int i, numberOfMissing;
for (size_t ipackingType = 0; ipackingType < numTypes; ipackingType++) {
GRIB_CHECK(((h = grib_handle_new_from_samples(NULL, "regular_ll_pl_grib2")) == NULL), 0);
GRIB_CHECK(grib_set_long(h, "Ni", NLON), 0);
GRIB_CHECK(grib_set_long(h, "Nj", NLAT), 0);
GRIB_CHECK(grib_set_double(h, "latitudeOfFirstGridPointInDegrees", 80.), 0);
GRIB_CHECK(grib_set_double(h, "longitudeOfFirstGridPointInDegrees", -100.), 0);
GRIB_CHECK(grib_set_double(h, "latitudeOfLastGridPointInDegrees", 0.), 0);
GRIB_CHECK(grib_set_double(h, "longitudeOfLastGridPointInDegrees", 65.), 0);
GRIB_CHECK(grib_set_long(h, "iScansNegatively", 0), 0);
GRIB_CHECK(grib_set_long(h, "jScansPositively", 0), 0);
GRIB_CHECK(grib_set_long(h, "NV", 0), 0);
slen = strlen("sfc");
GRIB_CHECK(grib_set_string(h, "typeOfFirstFixedSurface", "sfc", &slen), 0);
GRIB_CHECK(grib_set_long(h, "bitsPerValue", 16), 0);
slen = strlen(packingType[ipackingType]);
printf("Doing packingType=%s\n", packingType[ipackingType]);
GRIB_CHECK(grib_set_string(h, "packingType", packingType[ipackingType], &slen), 0);
GRIB_CHECK(grib_set_long(h, "bitmapPresent", 1), 0);
GRIB_CHECK(grib_set_double(h, "missingValue", zmiss), 0);
for (i = 0, numberOfMissing = 0; i < NLON * NLAT; i += 100, numberOfMissing++) {
values[i] = zmiss;
}
len = NLON * NLAT;
GRIB_CHECK(grib_set_double_array(h, "values", values, len), 0);
GRIB_CHECK(grib_get_long(h, "numberOfValues", &numberOfValues), 0);
GRIB_CHECK(grib_get_long(h, "numberOfDataPoints", &numberOfDataPoints), 0);
if (numberOfValues + numberOfMissing != numberOfDataPoints) {
printf("ERROR: numberOfValues = %ld, numberOfDataPoints = %ld, numberOfMissing = %d\n",
numberOfValues, numberOfDataPoints, numberOfMissing);
printf("ERROR: numberOfValues appears to be incorrect\n");
return 1;
}
GRIB_CHECK(grib_handle_delete(h), 0);
}
printf("ALL OK\n");
return 0;
}
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