eccodes/tools/gaussian.c

45 lines
986 B
C

/*
* (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 <stdio.h>
#include <string.h>
#include <assert.h>
#include "grib_api.h"
static void usage(const char* prog)
{
fprintf(stderr, "%s: N\n", prog);
exit(1);
}
int main(int argc, const char* argv[])
{
double* latitudes;
int count = 0;
int n, i;
if (argc != 2)
usage(argv[0]);
n = atol(argv[1]);
count = n * 2;
latitudes = (double*)malloc(count * sizeof(double));
assert(latitudes);
assert(grib_get_gaussian_latitudes(n, latitudes) == 0);
for (i = 0; i < count; i++)
printf("%g\n", latitudes[i]);
return 0;
}