1 /// @file 2 /// Test QFunction helper macro 3 /// \test Test QFunction helper macro 4 #include "t406-qfunction.h" 5 6 #include <ceed.h> 7 #include <math.h> 8 #include <stdio.h> 9 #include <stdlib.h> 10 #include <string.h> 11 12 int main(int argc, char **argv) { 13 Ceed ceed; 14 CeedVector in[16], out[16]; 15 CeedVector q_data, w, u, v; 16 CeedQFunction qf_setup, qf_mass; 17 CeedInt q = 8; 18 CeedScalar v_true[q]; 19 20 CeedInit(argv[1], &ceed); 21 22 CeedVectorCreate(ceed, q, &w); 23 CeedVectorCreate(ceed, q, &u); 24 { 25 CeedScalar w_array[q], u_array[q]; 26 27 for (CeedInt i = 0; i < q; i++) { 28 CeedScalar x = 2. * i / (q - 1) - 1; 29 w_array[i] = 1 - x * x; 30 u_array[i] = 2 + 3 * x + 5 * x * x; 31 v_true[i] = w_array[i] * u_array[i]; 32 } 33 CeedVectorSetArray(w, CEED_MEM_HOST, CEED_COPY_VALUES, w_array); 34 CeedVectorSetArray(u, CEED_MEM_HOST, CEED_COPY_VALUES, u_array); 35 } 36 CeedVectorCreate(ceed, q, &v); 37 CeedVectorSetValue(v, 0); 38 CeedVectorCreate(ceed, q, &q_data); 39 CeedVectorSetValue(q_data, 0); 40 41 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 42 CeedQFunctionAddInput(qf_setup, "w", 1, CEED_EVAL_WEIGHT); 43 CeedQFunctionAddOutput(qf_setup, "q data", 1, CEED_EVAL_NONE); 44 { 45 in[0] = w; 46 out[0] = q_data; 47 CeedQFunctionApply(qf_setup, q, in, out); 48 } 49 50 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 51 CeedQFunctionAddInput(qf_mass, "q data", 1, CEED_EVAL_NONE); 52 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 53 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 54 { 55 in[0] = w; 56 in[1] = u; 57 out[0] = v; 58 CeedQFunctionApply(qf_mass, q, in, out); 59 } 60 61 // Verify results 62 { 63 const CeedScalar *v_array; 64 65 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 66 for (CeedInt i = 0; i < q; i++) { 67 if (fabs(5 * v_true[i] * sqrt(2.) - v_array[i]) > 1E3 * CEED_EPSILON) { 68 // LCOV_EXCL_START 69 printf("[%" CeedInt_FMT "] v_true %f != v %f\n", i, 5 * v_true[i] * sqrt(2.), v_array[i]); 70 // LCOV_EXCL_STOP 71 } 72 } 73 CeedVectorRestoreArrayRead(v, &v_array); 74 } 75 76 CeedVectorDestroy(&w); 77 CeedVectorDestroy(&u); 78 CeedVectorDestroy(&v); 79 CeedVectorDestroy(&q_data); 80 CeedQFunctionDestroy(&qf_setup); 81 CeedQFunctionDestroy(&qf_mass); 82 CeedDestroy(&ceed); 83 return 0; 84 } 85