mirror of https://github.com/ecmwf/eccodes.git
78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
/*
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* (C) Copyright 2005- ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#include "grib_api.h"
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/*
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* Test that packing sets the correct numberOfValues
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* philippe.marguinaud@meteo.fr, 2016/02
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*/
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#include "grib_gridded_values.h" // array 'values' defined here
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#define NLON 81
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#define NLAT 166
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int main(int argc, char* argv[])
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{
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size_t len, slen;
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grib_handle* h = NULL;
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const char* packingType[] = { "grid_second_order", "grid_complex_spatial_differencing", "grid_complex" };
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const size_t numTypes = sizeof(packingType)/sizeof(packingType[0]);
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int ipackingType = 0;
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const double zmiss = 9999999999.;
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long numberOfValues, numberOfDataPoints;
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int i, numberOfMissing;
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for (ipackingType = 0; ipackingType < numTypes; ipackingType++) {
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GRIB_CHECK(((h = grib_handle_new_from_samples(NULL, "regular_ll_pl_grib2")) == NULL), 0);
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GRIB_CHECK(grib_set_long(h, "Ni", NLON), 0);
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GRIB_CHECK(grib_set_long(h, "Nj", NLAT), 0);
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GRIB_CHECK(grib_set_double(h, "latitudeOfFirstGridPointInDegrees", 80.), 0);
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GRIB_CHECK(grib_set_double(h, "longitudeOfFirstGridPointInDegrees", -100.), 0);
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GRIB_CHECK(grib_set_double(h, "latitudeOfLastGridPointInDegrees", 0.), 0);
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GRIB_CHECK(grib_set_double(h, "longitudeOfLastGridPointInDegrees", 65.), 0);
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GRIB_CHECK(grib_set_long(h, "iScansNegatively", 0), 0);
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GRIB_CHECK(grib_set_long(h, "jScansPositively", 0), 0);
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GRIB_CHECK(grib_set_long(h, "NV", 0), 0);
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slen = strlen("sfc");
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GRIB_CHECK(grib_set_string(h, "typeOfFirstFixedSurface", "sfc", &slen), 0);
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GRIB_CHECK(grib_set_long(h, "bitsPerValue", 16), 0);
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slen = strlen(packingType[ipackingType]);
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printf("Doing packingType=%s\n", packingType[ipackingType]);
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GRIB_CHECK(grib_set_string(h, "packingType", packingType[ipackingType], &slen), 0);
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GRIB_CHECK(grib_set_long(h, "bitmapPresent", 1), 0);
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GRIB_CHECK(grib_set_double(h, "missingValue", zmiss), 0);
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for (i = 0, numberOfMissing = 0; i < NLON * NLAT; i += 100, numberOfMissing++) {
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values[i] = zmiss;
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}
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len = NLON * NLAT;
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GRIB_CHECK(grib_set_double_array(h, "values", values, len), 0);
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GRIB_CHECK(grib_get_long(h, "numberOfValues", &numberOfValues), 0);
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GRIB_CHECK(grib_get_long(h, "numberOfDataPoints", &numberOfDataPoints), 0);
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if (numberOfValues + numberOfMissing != numberOfDataPoints) {
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printf("ERROR: numberOfValues = %ld, numberOfDataPoints = %ld, numberOfMissing = %d\n",
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numberOfValues, numberOfDataPoints, numberOfMissing);
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printf("ERROR: numberOfValues appears to be incorrect\n");
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return 1;
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}
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GRIB_CHECK(grib_handle_delete(h), 0);
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}
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printf("ALL OK\n");
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return 0;
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}
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