1 //------------------------------------------------------------------------------
2 // GxB_SelectOp_xtype: return the type of x for z=f(x,thunk)
3 //------------------------------------------------------------------------------
4 
5 // SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
6 // SPDX-License-Identifier: Apache-2.0
7 
8 //------------------------------------------------------------------------------
9 
10 #include "GB.h"
11 
GxB_SelectOp_xtype(GrB_Type * xtype,GxB_SelectOp selectop)12 GrB_Info GxB_SelectOp_xtype         // return the type of x or NULL if generic
13 (
14     GrB_Type *xtype,                // return type of input x
15     GxB_SelectOp selectop           // select operator
16 )
17 {
18 
19     //--------------------------------------------------------------------------
20     // check inputs
21     //--------------------------------------------------------------------------
22 
23     GB_WHERE1 ("GxB_SelectOp_xtype (&xtype, selectop)") ;
24     GB_RETURN_IF_NULL (xtype) ;
25     GB_RETURN_IF_NULL_OR_FAULTY (selectop) ;
26     ASSERT_SELECTOP_OK (selectop, "selectop for xtype", GB0) ;
27 
28     //--------------------------------------------------------------------------
29     // return the xtype
30     //--------------------------------------------------------------------------
31 
32     (*xtype) = selectop->xtype ;
33     return (GrB_SUCCESS) ;
34 }
35 
36