Remove /api/0.6/changes endpoint

[rails.git] / db / functions / maptile.c

diff --git a/db/functions/maptile.c b/db/functions/maptile.c
deleted file mode 100644 (file)
index 358a3ba..0000000
--- a/db/functions/maptile.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <math.h>
-#include <postgres.h>
-#include <fmgr.h>
-
-Datum
-maptile_for_point(PG_FUNCTION_ARGS)
-{
-   double lat = PG_GETARG_INT64(0) / 10000000.0;
-   double lon = PG_GETARG_INT64(1) / 10000000.0;
-   int zoom = PG_GETARG_INT32(2);
-   double scale = pow(2, zoom);
-   double r_per_d = M_PI / 180;
-   unsigned int x;
-   unsigned int y;
-
-   x = floor((lon + 180.0) * scale / 360.0);
-   y = floor((1 - log(tan(lat * r_per_d) + 1.0 / cos(lat * r_per_d)) / M_PI) * scale / 2.0);
-
-   PG_RETURN_INT32((x << zoom) | y);
-}
-
-PG_FUNCTION_INFO_V1(maptile_for_point);
-
-/*
- * To bind this into PGSQL, try something like:
- *
- * CREATE FUNCTION maptile_for_point(int8, int8, int4) RETURNS int4
- *  AS '/path/to/rails-port/db/functions/libpgosm', 'maptile_for_point'
- *  LANGUAGE C STRICT;
- *
- * (without all the *s)
- */
-
-#ifdef PG_MODULE_MAGIC
-PG_MODULE_MAGIC;
-#endif