1 /// @file 2 /// Test creation, evaluation, and destruction for vector Poisson QFunction by name 3 /// \test Test creation, evaluation, and destruction for vector Poisson QFunction by name 4 #include <ceed.h> 5 #include <math.h> 6 #include <string.h> 7 8 int main(int argc, char **argv) { 9 Ceed ceed; 10 CeedVector in[16], out[16]; 11 CeedVector q_data, dx, w, du, dv; 12 CeedQFunction qf_setup, qf_diff; 13 CeedInt q = 8; 14 const CeedInt num_comp = 3; 15 16 CeedInit(argv[1], &ceed); 17 18 for (CeedInt dim = 1; dim <= 3; dim++) { 19 CeedInt num_qpts = CeedIntPow(q, dim); 20 21 CeedVectorCreate(ceed, num_qpts * dim * dim, &dx); 22 CeedVectorCreate(ceed, num_qpts, &w); 23 CeedVectorCreate(ceed, num_qpts * dim * num_comp, &du); 24 { 25 CeedScalar dx_array[num_qpts * dim * dim], w_array[num_qpts], du_array[num_qpts * dim * num_comp]; 26 27 for (CeedInt i = 0; i < num_qpts; i++) { 28 w_array[i] = 1.0 / num_qpts; 29 } 30 for (CeedInt d = 0; d < dim; d++) { 31 for (CeedInt g = 0; g < dim; g++) { 32 for (CeedInt i = 0; i < num_qpts; i++) { 33 dx_array[i + (g * dim + d) * num_qpts] = d == g; 34 } 35 } 36 } 37 for (CeedInt c = 0; c < num_comp; c++) { 38 for (CeedInt g = 0; g < dim; g++) { 39 for (CeedInt i = 0; i < num_qpts; i++) { 40 du_array[i + (g * num_comp + c) * num_qpts] = c + 1; 41 } 42 } 43 } 44 45 CeedVectorSetArray(dx, CEED_MEM_HOST, CEED_COPY_VALUES, dx_array); 46 CeedVectorSetArray(w, CEED_MEM_HOST, CEED_COPY_VALUES, w_array); 47 CeedVectorSetArray(du, CEED_MEM_HOST, CEED_COPY_VALUES, du_array); 48 } 49 CeedVectorCreate(ceed, num_qpts * dim * (dim + 1) / 2, &q_data); 50 CeedVectorSetValue(q_data, 0.0); 51 CeedVectorCreate(ceed, num_qpts * dim * num_comp, &dv); 52 CeedVectorSetValue(dv, 0.0); 53 54 char name_setup[26] = "", name_apply[26] = ""; 55 snprintf(name_setup, sizeof name_setup, "Poisson%" CeedInt_FMT "DBuild", dim); 56 CeedQFunctionCreateInteriorByName(ceed, name_setup, &qf_setup); 57 { 58 in[0] = dx; 59 in[1] = w; 60 out[0] = q_data; 61 CeedQFunctionApply(qf_setup, num_qpts, in, out); 62 } 63 64 snprintf(name_apply, sizeof name_apply, "Vector3Poisson%" CeedInt_FMT "DApply", dim); 65 CeedQFunctionCreateInteriorByName(ceed, name_apply, &qf_diff); 66 { 67 in[0] = du; 68 in[1] = q_data; 69 out[0] = dv; 70 CeedQFunctionApply(qf_diff, num_qpts, in, out); 71 } 72 73 // Verify results 74 { 75 const CeedScalar *v_array; 76 77 CeedVectorGetArrayRead(dv, CEED_MEM_HOST, &v_array); 78 for (CeedInt c = 0; c < num_comp; c++) { 79 CeedScalar sum = 0; 80 for (CeedInt i = 0; i < num_qpts; i++) { 81 for (CeedInt g = 0; g < dim; g++) sum += v_array[i + (g * num_comp + c) * num_qpts]; 82 } 83 if (fabs(sum - dim * (c + 1)) > 10 * CEED_EPSILON) { 84 // LCOV_EXCL_START 85 printf("%" CeedInt_FMT "D volume error in component %" CeedInt_FMT ": %f != %f\n", dim, c, sum, dim * (c + 1.0)); 86 // LCOV_EXCL_STOP 87 } 88 } 89 CeedVectorRestoreArrayRead(dv, &v_array); 90 } 91 92 CeedVectorDestroy(&dx); 93 CeedVectorDestroy(&w); 94 CeedVectorDestroy(&du); 95 CeedVectorDestroy(&dv); 96 CeedVectorDestroy(&q_data); 97 CeedQFunctionDestroy(&qf_setup); 98 CeedQFunctionDestroy(&qf_diff); 99 } 100 101 CeedDestroy(&ceed); 102 return 0; 103 } 104