PostGIS  2.2.7dev-r@@SVN_REVISION@@
Datum LWGEOM_zmflag ( PG_FUNCTION_ARGS  )

Definition at line 1910 of file lwgeom_functions_basic.c.

References gserialized_has_m(), and gserialized_has_z().

1911 {
1912  GSERIALIZED *in;
1913  int ret = 0;
1914 
1915  in = PG_GETARG_GSERIALIZED_P(0);
1916  if ( gserialized_has_z(in) ) ret += 2;
1917  if ( gserialized_has_m(in) ) ret += 1;
1918  PG_FREE_IF_COPY(in, 0);
1919  PG_RETURN_INT16(ret);
1920 }
int gserialized_has_m(const GSERIALIZED *gser)
Check if a GSERIALIZED has an M ordinate.
Definition: g_serialized.c:29
int gserialized_has_z(const GSERIALIZED *gser)
Check if a GSERIALIZED has a Z ordinate.
Definition: g_serialized.c:24

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