1 /// @file 2 /// Test QFunction helper macro 3 /// \test Test QFunction helper macro 4 #include "t405-qfunction.h" 5 6 #include <ceed.h> 7 8 int main(int argc, char **argv) { 9 Ceed ceed; 10 CeedVector in[16], out[16]; 11 CeedVector q_data, w, u, v; 12 CeedQFunction qf_setup, qf_mass; 13 CeedInt q = 8; 14 CeedScalar v_true[q]; 15 16 CeedInit(argv[1], &ceed); 17 18 CeedVectorCreate(ceed, q, &w); 19 CeedVectorCreate(ceed, q, &u); 20 { 21 CeedScalar w_array[q], u_array[q]; 22 23 for (CeedInt i = 0; i < q; i++) { 24 CeedScalar x = 2. * i / (q - 1) - 1; 25 w_array[i] = 1 - x * x; 26 u_array[i] = 2 + 3 * x + 5 * x * x; 27 v_true[i] = w_array[i] * u_array[i]; 28 } 29 CeedVectorSetArray(w, CEED_MEM_HOST, CEED_COPY_VALUES, w_array); 30 CeedVectorSetArray(u, CEED_MEM_HOST, CEED_COPY_VALUES, u_array); 31 } 32 CeedVectorCreate(ceed, q, &v); 33 CeedVectorSetValue(v, 0); 34 CeedVectorCreate(ceed, q, &q_data); 35 CeedVectorSetValue(q_data, 0); 36 37 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 38 CeedQFunctionAddInput(qf_setup, "w", 1, CEED_EVAL_WEIGHT); 39 CeedQFunctionAddOutput(qf_setup, "q data", 1, CEED_EVAL_NONE); 40 { 41 in[0] = w; 42 out[0] = q_data; 43 CeedQFunctionApply(qf_setup, q, in, out); 44 } 45 46 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 47 CeedQFunctionAddInput(qf_mass, "q data", 1, CEED_EVAL_NONE); 48 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 49 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 50 { 51 in[0] = w; 52 in[1] = u; 53 out[0] = v; 54 CeedQFunctionApply(qf_mass, q, in, out); 55 } 56 57 // Verify result 58 { 59 const CeedScalar *v_array; 60 61 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 62 for (CeedInt i = 0; i < q; i++) { 63 if (2 * v_true[i] != v_array[i]) printf("[%" CeedInt_FMT "] v %f != vv %f\n", i, 2 * v_true[i], v_array[i]); 64 } 65 CeedVectorRestoreArrayRead(v, &v_array); 66 } 67 68 CeedVectorDestroy(&w); 69 CeedVectorDestroy(&u); 70 CeedVectorDestroy(&v); 71 CeedVectorDestroy(&q_data); 72 CeedQFunctionDestroy(&qf_setup); 73 CeedQFunctionDestroy(&qf_mass); 74 CeedDestroy(&ceed); 75 return 0; 76 } 77