1 /// @file 2 /// Test creation reuse of the same QFunction for multiple operators 3 /// \test Test creation reuse of the same QFunction for multiple operators 4 #include <ceed.h> 5 #include <math.h> 6 #include <stdlib.h> 7 8 #include "t502-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction elem_restriction_x, elem_restriction_u, elem_restriction_q_data_small, elem_restriction_q_data_large; 13 CeedBasis basis_x_small, basis_x_large, basis_u_small, basis_u_large; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup_small, op_mass_small, op_setup_large, op_mass_large; 16 CeedVector q_data_small, q_data_large, x, u, v; 17 CeedInt num_elem = 15, p = 5, q = 8, scale = 3; 18 CeedInt num_nodes_x = num_elem + 1, num_nodes_u = num_elem * (p - 1) + 1; 19 CeedInt ind_x[num_elem * 2], ind_u[num_elem * p]; 20 21 CeedInit(argv[1], &ceed); 22 23 CeedVectorCreate(ceed, num_nodes_x, &x); 24 { 25 CeedScalar x_array[num_nodes_x]; 26 27 for (CeedInt i = 0; i < num_nodes_x; i++) x_array[i] = (CeedScalar)i / (num_nodes_x - 1); 28 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 29 } 30 CeedVectorCreate(ceed, 2 * num_nodes_u, &u); 31 CeedVectorCreate(ceed, 2 * num_nodes_u, &v); 32 CeedVectorCreate(ceed, num_elem * q, &q_data_small); 33 CeedVectorCreate(ceed, num_elem * q * scale, &q_data_large); 34 35 // Restrictions 36 for (CeedInt i = 0; i < num_elem; i++) { 37 ind_x[2 * i + 0] = i; 38 ind_x[2 * i + 1] = i + 1; 39 } 40 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x); 41 42 for (CeedInt i = 0; i < num_elem; i++) { 43 for (CeedInt j = 0; j < p; j++) { 44 ind_u[p * i + j] = 2 * (i * (p - 1) + j); 45 } 46 } 47 CeedElemRestrictionCreate(ceed, num_elem, p, 2, 1, 2 * num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restriction_u); 48 49 CeedInt strides_q_data_small[3] = {1, q, q}; 50 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data_small, &elem_restriction_q_data_small); 51 52 CeedInt strides_q_data_large[3] = {1, q * scale, q * scale}; 53 CeedElemRestrictionCreateStrided(ceed, num_elem, q * scale, 1, q * num_elem * scale, strides_q_data_large, &elem_restriction_q_data_large); 54 55 // Bases 56 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q, CEED_GAUSS, &basis_x_small); 57 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, p, q, CEED_GAUSS, &basis_u_small); 58 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q * scale, CEED_GAUSS, &basis_x_large); 59 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, p, q * scale, CEED_GAUSS, &basis_u_large); 60 61 // QFunctions 62 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 63 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT); 64 CeedQFunctionAddInput(qf_setup, "x", 1, CEED_EVAL_GRAD); 65 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 66 67 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 68 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 69 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 70 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 71 72 // 'Small' Operators 73 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_small); 74 CeedOperatorSetField(op_setup_small, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_small, CEED_VECTOR_NONE); 75 CeedOperatorSetField(op_setup_small, "x", elem_restriction_x, basis_x_small, CEED_VECTOR_ACTIVE); 76 CeedOperatorSetField(op_setup_small, "rho", elem_restriction_q_data_small, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 77 78 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_small); 79 CeedOperatorSetField(op_mass_small, "rho", elem_restriction_q_data_small, CEED_BASIS_COLLOCATED, q_data_small); 80 CeedOperatorSetField(op_mass_small, "u", elem_restriction_u, basis_u_small, CEED_VECTOR_ACTIVE); 81 CeedOperatorSetField(op_mass_small, "v", elem_restriction_u, basis_u_small, CEED_VECTOR_ACTIVE); 82 83 // 'Large' operators 84 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_large); 85 CeedOperatorSetField(op_setup_large, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_large, CEED_VECTOR_NONE); 86 CeedOperatorSetField(op_setup_large, "x", elem_restriction_x, basis_x_large, CEED_VECTOR_ACTIVE); 87 CeedOperatorSetField(op_setup_large, "rho", elem_restriction_q_data_large, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 88 89 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_large); 90 CeedOperatorSetField(op_mass_large, "rho", elem_restriction_q_data_large, CEED_BASIS_COLLOCATED, q_data_large); 91 CeedOperatorSetField(op_mass_large, "u", elem_restriction_u, basis_u_large, CEED_VECTOR_ACTIVE); 92 CeedOperatorSetField(op_mass_large, "v", elem_restriction_u, basis_u_large, CEED_VECTOR_ACTIVE); 93 94 // Setup 95 CeedOperatorApply(op_setup_small, x, q_data_small, CEED_REQUEST_IMMEDIATE); 96 CeedOperatorApply(op_setup_large, x, q_data_large, CEED_REQUEST_IMMEDIATE); 97 98 { 99 CeedScalar *u_array; 100 101 CeedVectorGetArrayWrite(u, CEED_MEM_HOST, &u_array); 102 for (int i = 0; i < num_nodes_u; i++) { 103 u_array[2 * i] = 1.0; 104 u_array[2 * i + 1] = 2.0; 105 } 106 CeedVectorRestoreArray(u, &u_array); 107 } 108 109 // 'Small' operator 110 CeedOperatorApply(op_mass_small, u, v, CEED_REQUEST_IMMEDIATE); 111 112 // Check output 113 { 114 const CeedScalar *v_array; 115 CeedScalar sum_1 = 0., sum_2 = 0.; 116 117 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 118 for (CeedInt i = 0; i < num_nodes_u; i++) { 119 sum_1 += v_array[2 * i]; 120 sum_2 += v_array[2 * i + 1]; 121 } 122 CeedVectorRestoreArrayRead(v, &v_array); 123 if (fabs(sum_1 - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum_1); 124 if (fabs(sum_2 - 2.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 2.0\n", sum_2); 125 } 126 127 // 'Large' operator 128 CeedOperatorApply(op_mass_large, u, v, CEED_REQUEST_IMMEDIATE); 129 130 // Check output 131 { 132 const CeedScalar *v_array; 133 CeedScalar sum_1 = 0., sum_2 = 0.; 134 135 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 136 for (CeedInt i = 0; i < num_nodes_u; i++) { 137 sum_1 += v_array[2 * i]; 138 sum_2 += v_array[2 * i + 1]; 139 } 140 CeedVectorRestoreArrayRead(v, &v_array); 141 142 if (fabs(sum_1 - 1.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 1.0\n", sum_1); 143 if (fabs(sum_2 - 2.) > 1000. * CEED_EPSILON) printf("Computed Area: %f != True Area: 2.0\n", sum_2); 144 } 145 146 CeedVectorDestroy(&x); 147 CeedVectorDestroy(&u); 148 CeedVectorDestroy(&v); 149 CeedVectorDestroy(&q_data_small); 150 CeedVectorDestroy(&q_data_large); 151 CeedElemRestrictionDestroy(&elem_restriction_u); 152 CeedElemRestrictionDestroy(&elem_restriction_x); 153 CeedElemRestrictionDestroy(&elem_restriction_q_data_small); 154 CeedElemRestrictionDestroy(&elem_restriction_q_data_large); 155 CeedBasisDestroy(&basis_u_small); 156 CeedBasisDestroy(&basis_x_small); 157 CeedBasisDestroy(&basis_u_large); 158 CeedBasisDestroy(&basis_x_large); 159 CeedQFunctionDestroy(&qf_setup); 160 CeedQFunctionDestroy(&qf_mass); 161 CeedOperatorDestroy(&op_setup_small); 162 CeedOperatorDestroy(&op_mass_small); 163 CeedOperatorDestroy(&op_setup_large); 164 CeedOperatorDestroy(&op_mass_large); 165 CeedDestroy(&ceed); 166 return 0; 167 } 168