BOX3D_expand()

Datum BOX3D_expand

(

PG_FUNCTION_ARGS

)

Definition at line 359 of file lwgeom_box3d.c.

{
        BOX3D *box = (BOX3D *)PG_GETARG_POINTER(0);
        BOX3D *result = (BOX3D *)palloc(sizeof(BOX3D));
        memcpy(result, box, sizeof(BOX3D));
 
        if (PG_NARGS() == 2)
        {
                /* Expand the box the same amount in all directions */
                double d = PG_GETARG_FLOAT8(1);
                expand_box3d(result, d);
        }
        else
        {
                double dx = PG_GETARG_FLOAT8(1);
                double dy = PG_GETARG_FLOAT8(2);
                double dz = PG_GETARG_FLOAT8(3);
 
                expand_box3d_xyz(result, dx, dy, dz);
        }
 
        PG_RETURN_POINTER(result);
}

References expand_box3d(), and expand_box3d_xyz().

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