xref: /libCEED/backends/blocked/ceed-blocked.c (revision 84a01de5ce080ac9cdd243d9d64da2df0ae9cb77)
1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
3 // All Rights reserved. See files LICENSE and NOTICE for details.
4 //
5 // This file is part of CEED, a collection of benchmarks, miniapps, software
6 // libraries and APIs for efficient high-order finite element and spectral
7 // element discretizations for exascale applications. For more information and
8 // source code availability see http://github.com/ceed.
9 //
10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
11 // a collaborative effort of two U.S. Department of Energy organizations (Office
12 // of Science and the National Nuclear Security Administration) responsible for
13 // the planning and preparation of a capable exascale ecosystem, including
14 // software, applications, hardware, advanced system engineering and early
15 // testbed platforms, in support of the nation's exascale computing imperative.
16 
17 #include <string.h>
18 #include "ceed-blocked.h"
19 
20 static int CeedInit_Blocked(const char *resource, Ceed ceed) {
21   int ierr;
22   if (strcmp(resource, "/cpu/self")
23       && strcmp(resource, "/cpu/self/ref/blocked"))
24     return CeedError(ceed, 1, "Blocked backend cannot use resource: %s", resource);
25 
26   Ceed ceedref;
27 
28   // Create refrence CEED that implementation will be dispatched
29   //   through unless overridden
30   CeedInit("/cpu/self/ref/serial", &ceedref);
31   ierr = CeedSetDelegate(ceed, &ceedref); CeedChk(ierr);
32 
33   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate",
34                                 CeedOperatorCreate_Blocked); CeedChk(ierr);
35 
36   return 0;
37 }
38 
39 __attribute__((constructor))
40 static void Register(void) {
41   CeedRegister("/cpu/self/ref/blocked", CeedInit_Blocked, 30);
42 }
43