1 /// @file 2 /// Test creation, evaluation, and destruction for qfunction 3 /// \test Test creation, evaluation, and destruction for qfunction 4 #include <ceed.h> 5 #include <math.h> 6 7 #include "t401-qfunction.h" 8 9 int main(int argc, char **argv) { 10 Ceed ceed; 11 CeedVector in[16], out[16]; 12 CeedVector Qdata, W, U, V; 13 CeedQFunction qf_setup, qf_mass; 14 CeedInt Q = 8; 15 const CeedScalar *vv; 16 CeedScalar w[Q], u[Q], v[Q], ctx[5] = {1, 2, 3, 4, 5}; 17 18 19 CeedInit(argv[1], &ceed); 20 21 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 22 CeedQFunctionAddInput(qf_setup, "w", 1, CEED_EVAL_WEIGHT); 23 CeedQFunctionAddOutput(qf_setup, "qdata", 1, CEED_EVAL_NONE); 24 25 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 26 CeedQFunctionAddInput(qf_mass, "qdata", 1, CEED_EVAL_NONE); 27 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 28 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 29 30 CeedQFunctionSetContext(qf_mass, &ctx, sizeof(ctx)); 31 32 for (CeedInt i=0; i<Q; i++) { 33 CeedScalar x = 2.*i/(Q-1) - 1; 34 w[i] = 1 - x*x; 35 u[i] = 2 + 3*x + 5*x*x; 36 v[i] = w[i] * u[i]; 37 } 38 39 CeedVectorCreate(ceed, Q, &W); 40 CeedVectorSetArray(W, CEED_MEM_HOST, CEED_USE_POINTER, w); 41 CeedVectorCreate(ceed, Q, &U); 42 CeedVectorSetArray(U, CEED_MEM_HOST, CEED_USE_POINTER, u); 43 CeedVectorCreate(ceed, Q, &V); 44 CeedVectorSetValue(V, 0); 45 CeedVectorCreate(ceed, Q, &Qdata); 46 CeedVectorSetValue(Qdata, 0); 47 48 { 49 in[0] = W; 50 out[0] = Qdata; 51 CeedQFunctionApply(qf_setup, Q, in, out); 52 } 53 { 54 in[0] = W; 55 in[1] = U; 56 out[0] = V; 57 CeedQFunctionApply(qf_mass, Q, in, out); 58 } 59 60 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &vv); 61 for (CeedInt i=0; i<Q; i++) 62 if (fabs(ctx[4] * v[i] - vv[i]) > 1.e-14) 63 // LCOV_EXCL_START 64 printf("[%d] v %f != vv %f\n",i, v[i], vv[i]); 65 // LCOV_EXCL_STOP 66 CeedVectorRestoreArrayRead(V, &vv); 67 68 CeedVectorDestroy(&W); 69 CeedVectorDestroy(&U); 70 CeedVectorDestroy(&V); 71 CeedVectorDestroy(&Qdata); 72 CeedQFunctionDestroy(&qf_setup); 73 CeedQFunctionDestroy(&qf_mass); 74 CeedDestroy(&ceed); 75 return 0; 76 } 77