geography_measurement_trees.h

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 * PostGIS - Spatial Types for PostgreSQL
 * http://postgis.net
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 * PostGIS is free software: you can redistribute it and/or modify
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#include "liblwgeom_internal.h"
#include "lwgeodetic_tree.h"
#include "lwgeom_cache.h"

int geography_dwithin_cache(FunctionCallInfo fcinfo,
                            const GSERIALIZED *g1,
                            const GSERIALIZED *g2,
                            const SPHEROID *s,
                            double tolerance,
                            int *dwithin);
int geography_distance_cache(FunctionCallInfo fcinfo,
                             const GSERIALIZED *g1,
                             const GSERIALIZED *g2,
                             const SPHEROID *s,
                             double *distance);
int geography_tree_distance(const GSERIALIZED* g1, const GSERIALIZED* g2, const SPHEROID* s, double tolerance, double* distance);