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@@ -0,0 +1,52 @@
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+/*
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+ * Copyright (c) 2019 Clementine Computing LLC.
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+ *
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+ * This file is part of PopuFare.
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+ *
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+ * PopuFare is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU Affero General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * PopuFare is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU Affero General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Affero General Public License
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+ * along with PopuFare. If not, see <https://www.gnu.org/licenses/>.
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+ *
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <math.h>
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+
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+#include "../common/gpsmath.h"
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+
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+void usage(FILE *fp) {
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+ fprintf(fp, "\nusage:\n\n");
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+ fprintf(fp, " gpsdist <lat0> <lon0> <lat1> <lon1>");
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+ fprintf(fp, "\n\n");
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+}
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+
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+int main(int argc, char **argv) {
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+ float lat0, lon0, lat1, lon1;
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+ float dist;
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+
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+ if (argc < 5) {
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+ usage(stderr);
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+ exit(-1);
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+ }
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+
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+ lat0 = atof(argv[1]);
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+ lon0 = atof(argv[2]);
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+ lat1 = atof(argv[3]);
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+ lon1 = atof(argv[4]);
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+
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+ dist = GPS_Dist(lat0, lon0, lat1, lon1);
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+
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+ printf("Distance = %f meters\n", dist);
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+
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+}
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+
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