1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <stddef.h> 11 12 #include "ceed-ref.h" 13 14 //------------------------------------------------------------------------------ 15 // QFunction Apply 16 //------------------------------------------------------------------------------ 17 static int CeedQFunctionApply_Ref(CeedQFunction qf, CeedInt Q, CeedVector *U, CeedVector *V) { 18 CeedQFunction_Ref *impl; 19 CeedCallBackend(CeedQFunctionGetData(qf, &impl)); 20 21 void *ctx_data = NULL; 22 CeedCallBackend(CeedQFunctionGetContextData(qf, CEED_MEM_HOST, &ctx_data)); 23 24 CeedQFunctionUser f = NULL; 25 CeedCallBackend(CeedQFunctionGetUserFunction(qf, &f)); 26 27 CeedInt num_in, num_out; 28 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_in, &num_out)); 29 30 for (CeedInt i = 0; i < num_in; i++) { 31 CeedCallBackend(CeedVectorGetArrayRead(U[i], CEED_MEM_HOST, &impl->inputs[i])); 32 } 33 for (CeedInt i = 0; i < num_out; i++) { 34 CeedCallBackend(CeedVectorGetArrayWrite(V[i], CEED_MEM_HOST, &impl->outputs[i])); 35 } 36 37 CeedCallBackend(f(ctx_data, Q, impl->inputs, impl->outputs)); 38 39 for (CeedInt i = 0; i < num_in; i++) { 40 CeedCallBackend(CeedVectorRestoreArrayRead(U[i], &impl->inputs[i])); 41 } 42 for (CeedInt i = 0; i < num_out; i++) { 43 CeedCallBackend(CeedVectorRestoreArray(V[i], &impl->outputs[i])); 44 } 45 CeedCallBackend(CeedQFunctionRestoreContextData(qf, &ctx_data)); 46 47 return CEED_ERROR_SUCCESS; 48 } 49 50 //------------------------------------------------------------------------------ 51 // QFunction Destroy 52 //------------------------------------------------------------------------------ 53 static int CeedQFunctionDestroy_Ref(CeedQFunction qf) { 54 CeedQFunction_Ref *impl; 55 CeedCallBackend(CeedQFunctionGetData(qf, &impl)); 56 57 CeedCallBackend(CeedFree(&impl->inputs)); 58 CeedCallBackend(CeedFree(&impl->outputs)); 59 CeedCallBackend(CeedFree(&impl)); 60 61 return CEED_ERROR_SUCCESS; 62 } 63 64 //------------------------------------------------------------------------------ 65 // QFunction Create 66 //------------------------------------------------------------------------------ 67 int CeedQFunctionCreate_Ref(CeedQFunction qf) { 68 Ceed ceed; 69 CeedCallBackend(CeedQFunctionGetCeed(qf, &ceed)); 70 71 CeedQFunction_Ref *impl; 72 CeedCallBackend(CeedCalloc(1, &impl)); 73 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->inputs)); 74 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->outputs)); 75 CeedCallBackend(CeedQFunctionSetData(qf, impl)); 76 77 CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Apply", CeedQFunctionApply_Ref)); 78 CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy", CeedQFunctionDestroy_Ref)); 79 80 return CEED_ERROR_SUCCESS; 81 } 82 83 //------------------------------------------------------------------------------ 84