1 //------------------------------------------------------------------------------
2 // GxB_SelectOp_ttype: return the type of thunk 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_ttype(GrB_Type * ttype,GxB_SelectOp selectop)12 GrB_Info GxB_SelectOp_ttype         // return type of thunk or NULL if generic
13 (
14     GrB_Type *ttype,                // return type of input thunk
15     GxB_SelectOp selectop           // select operator
16 )
17 {
18 
19     //--------------------------------------------------------------------------
20     // check inputs
21     //--------------------------------------------------------------------------
22 
23     GB_WHERE1 ("GxB_SelectOp_ttype (&ttype, selectop)") ;
24     GB_RETURN_IF_NULL (ttype) ;
25     GB_RETURN_IF_NULL_OR_FAULTY (selectop) ;
26     ASSERT_SELECTOP_OK (selectop, "selectop for ttype", GB0) ;
27 
28     //--------------------------------------------------------------------------
29     // return the ttype
30     //--------------------------------------------------------------------------
31 
32     (*ttype) = selectop->ttype ;
33     return (GrB_SUCCESS) ;
34 }
35 
36