xref: /libCEED/tests/t405-qfunction.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
177841947SLeila Ghaffari /// @file
277841947SLeila Ghaffari /// Test QFunction helper macro
377841947SLeila Ghaffari /// \test Test QFunction helper macro
477841947SLeila Ghaffari #include "t405-qfunction.h"
577841947SLeila Ghaffari 
6*2b730f8bSJeremy L Thompson #include <ceed.h>
7*2b730f8bSJeremy L Thompson 
877841947SLeila Ghaffari int main(int argc, char **argv) {
977841947SLeila Ghaffari   Ceed              ceed;
1077841947SLeila Ghaffari   CeedVector        in[16], out[16];
1177841947SLeila Ghaffari   CeedVector        Q_data, W, U, V;
1277841947SLeila Ghaffari   CeedQFunction     qf_setup, qf_mass;
1377841947SLeila Ghaffari   CeedInt           Q = 8;
1477841947SLeila Ghaffari   const CeedScalar *vv;
1577841947SLeila Ghaffari   CeedScalar        w[Q], u[Q], v[Q];
1677841947SLeila Ghaffari 
1777841947SLeila Ghaffari   CeedInit(argv[1], &ceed);
1877841947SLeila Ghaffari 
1977841947SLeila Ghaffari   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup);
2077841947SLeila Ghaffari   CeedQFunctionAddInput(qf_setup, "w", 1, CEED_EVAL_WEIGHT);
2177841947SLeila Ghaffari   CeedQFunctionAddOutput(qf_setup, "qdata", 1, CEED_EVAL_NONE);
2277841947SLeila Ghaffari 
2377841947SLeila Ghaffari   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass);
2477841947SLeila Ghaffari   CeedQFunctionAddInput(qf_mass, "qdata", 1, CEED_EVAL_NONE);
2577841947SLeila Ghaffari   CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP);
2677841947SLeila Ghaffari   CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP);
2777841947SLeila Ghaffari 
2877841947SLeila Ghaffari   for (CeedInt i = 0; i < Q; i++) {
2977841947SLeila Ghaffari     CeedScalar x = 2. * i / (Q - 1) - 1;
3077841947SLeila Ghaffari     w[i]         = 1 - x * x;
3177841947SLeila Ghaffari     u[i]         = 2 + 3 * x + 5 * x * x;
3277841947SLeila Ghaffari     v[i]         = w[i] * u[i];
3377841947SLeila Ghaffari   }
3477841947SLeila Ghaffari 
3577841947SLeila Ghaffari   CeedVectorCreate(ceed, Q, &W);
3677841947SLeila Ghaffari   CeedVectorSetArray(W, CEED_MEM_HOST, CEED_USE_POINTER, w);
3777841947SLeila Ghaffari   CeedVectorCreate(ceed, Q, &U);
3877841947SLeila Ghaffari   CeedVectorSetArray(U, CEED_MEM_HOST, CEED_USE_POINTER, u);
3977841947SLeila Ghaffari   CeedVectorCreate(ceed, Q, &V);
4077841947SLeila Ghaffari   CeedVectorSetValue(V, 0);
4177841947SLeila Ghaffari   CeedVectorCreate(ceed, Q, &Q_data);
4277841947SLeila Ghaffari   CeedVectorSetValue(Q_data, 0);
4377841947SLeila Ghaffari 
4477841947SLeila Ghaffari   {
4577841947SLeila Ghaffari     in[0]  = W;
4677841947SLeila Ghaffari     out[0] = Q_data;
4777841947SLeila Ghaffari     CeedQFunctionApply(qf_setup, Q, in, out);
4877841947SLeila Ghaffari   }
4977841947SLeila Ghaffari   {
5077841947SLeila Ghaffari     in[0]  = W;
5177841947SLeila Ghaffari     in[1]  = U;
5277841947SLeila Ghaffari     out[0] = V;
5377841947SLeila Ghaffari     CeedQFunctionApply(qf_mass, Q, in, out);
5477841947SLeila Ghaffari   }
5577841947SLeila Ghaffari 
5677841947SLeila Ghaffari   CeedVectorGetArrayRead(V, CEED_MEM_HOST, &vv);
57*2b730f8bSJeremy L Thompson   for (CeedInt i = 0; i < Q; i++) {
58*2b730f8bSJeremy L Thompson     if (2 * v[i] != vv[i]) printf("[%" CeedInt_FMT "] v %f != vv %f\n", i, v[i], vv[i]);
59*2b730f8bSJeremy L Thompson   }
6077841947SLeila Ghaffari   CeedVectorRestoreArrayRead(V, &vv);
6177841947SLeila Ghaffari 
6277841947SLeila Ghaffari   CeedVectorDestroy(&W);
6377841947SLeila Ghaffari   CeedVectorDestroy(&U);
6477841947SLeila Ghaffari   CeedVectorDestroy(&V);
6577841947SLeila Ghaffari   CeedVectorDestroy(&Q_data);
6677841947SLeila Ghaffari   CeedQFunctionDestroy(&qf_setup);
6777841947SLeila Ghaffari   CeedQFunctionDestroy(&qf_mass);
6877841947SLeila Ghaffari   CeedDestroy(&ceed);
6977841947SLeila Ghaffari   return 0;
7077841947SLeila Ghaffari }
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