1 /// @file 2 /// Test creation, evaluation, and destruction of identity QFunction 3 /// \test Test creation, evaluation, and destruction of identity QFunction 4 #include <ceed.h> 5 #include <math.h> 6 7 int main(int argc, char **argv) { 8 Ceed ceed; 9 CeedVector in[16], out[16]; 10 CeedVector U, V; 11 CeedQFunction qf; 12 CeedInt Q = 8; 13 const CeedScalar *v; 14 CeedScalar u[Q]; 15 16 CeedInit(argv[1], &ceed); 17 18 CeedQFunctionCreateIdentity(ceed, 1, CEED_EVAL_INTERP, CEED_EVAL_INTERP, &qf); 19 20 for (CeedInt i=0; i<Q; i++) 21 u[i] = i*i; 22 23 CeedVectorCreate(ceed, Q, &U); 24 CeedVectorSetArray(U, CEED_MEM_HOST, CEED_USE_POINTER, u); 25 CeedVectorCreate(ceed, Q, &V); 26 CeedVectorSetValue(V, 0); 27 28 { 29 in[0] = U; 30 out[0] = V; 31 CeedQFunctionApply(qf, Q, in, out); 32 } 33 34 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &v); 35 for (CeedInt i=0; i<Q; i++) 36 if (fabs(v[i] - u[i])>1e-14) 37 // LCOV_EXCL_START 38 printf("[%d] v %f != u %f\n",i, v[i], u[i]); 39 // LCOV_EXCL_STOP 40 CeedVectorRestoreArrayRead(V, &v); 41 42 CeedVectorDestroy(&U); 43 CeedVectorDestroy(&V); 44 CeedQFunctionDestroy(&qf); 45 CeedDestroy(&ceed); 46 return 0; 47 } 48