1 static char help[] = "Tests VecMDot(),VecDot(),VecMTDot(), and VecTDot()\n"; 2 3 #include <petscvec.h> 4 5 int main(int argc, char **argv) 6 { 7 PetscErrorCode ierr; 8 Vec *V,t; 9 PetscInt i,j,reps,n=15,k=6; 10 PetscRandom rctx; 11 PetscScalar *val_dot,*val_mdot,*tval_dot,*tval_mdot; 12 13 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 14 ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr); 15 ierr = PetscOptionsGetInt(NULL,NULL,"-k",&k,NULL);CHKERRQ(ierr); 16 ierr = PetscPrintf(PETSC_COMM_WORLD,"Test with %" PetscInt_FMT " random vectors of length %" PetscInt_FMT "\n",k,n);CHKERRQ(ierr); 17 ierr = PetscRandomCreate(PETSC_COMM_WORLD,&rctx);CHKERRQ(ierr); 18 ierr = PetscRandomSetFromOptions(rctx);CHKERRQ(ierr); 19 #if defined(PETSC_USE_COMPLEX) 20 ierr = PetscRandomSetInterval(rctx,-1.+4.*PETSC_i,1.+5.*PETSC_i);CHKERRQ(ierr); 21 #else 22 ierr = PetscRandomSetInterval(rctx,-1.,1.);CHKERRQ(ierr); 23 #endif 24 ierr = VecCreate(PETSC_COMM_WORLD,&t);CHKERRQ(ierr); 25 ierr = VecSetSizes(t,n,PETSC_DECIDE);CHKERRQ(ierr); 26 ierr = VecSetFromOptions(t);CHKERRQ(ierr); 27 ierr = VecDuplicateVecs(t,k,&V);CHKERRQ(ierr); 28 ierr = VecSetRandom(t,rctx);CHKERRQ(ierr); 29 ierr = VecViewFromOptions(t,NULL,"-t_view");CHKERRQ(ierr); 30 ierr = PetscMalloc1(k,&val_dot);CHKERRQ(ierr); 31 ierr = PetscMalloc1(k,&val_mdot);CHKERRQ(ierr); 32 ierr = PetscMalloc1(k,&tval_dot);CHKERRQ(ierr); 33 ierr = PetscMalloc1(k,&tval_mdot);CHKERRQ(ierr); 34 for (i=0; i<k; i++) { ierr = VecSetRandom(V[i],rctx);CHKERRQ(ierr); } 35 for (reps=0; reps<20; reps++) { 36 for (i=1; i<k; i++) { 37 ierr = VecMDot(t,i,V,val_mdot);CHKERRQ(ierr); 38 ierr = VecMTDot(t,i,V,tval_mdot);CHKERRQ(ierr); 39 for (j=0;j<i;j++) { 40 ierr = VecDot(t,V[j],&val_dot[j]);CHKERRQ(ierr); 41 ierr = VecTDot(t,V[j],&tval_dot[j]);CHKERRQ(ierr); 42 } 43 /* Check result */ 44 for (j=0;j<i;j++) { 45 if (PetscAbsScalar(val_mdot[j] - val_dot[j])/PetscAbsScalar(val_dot[j]) > 1e-5) { 46 ierr = PetscPrintf(PETSC_COMM_WORLD, "[TEST FAILED] i=%" PetscInt_FMT ", j=%" PetscInt_FMT ", val_mdot[j]=%g, val_dot[j]=%g\n",i,j,(double)PetscAbsScalar(val_mdot[j]), (double)PetscAbsScalar(val_dot[j]));CHKERRQ(ierr); 47 break; 48 } 49 if (PetscAbsScalar(tval_mdot[j] - tval_dot[j])/PetscAbsScalar(tval_dot[j]) > 1e-5) { 50 ierr = PetscPrintf(PETSC_COMM_WORLD, "[TEST FAILED] i=%" PetscInt_FMT ", j=%" PetscInt_FMT ", tval_mdot[j]=%g, tval_dot[j]=%g\n",i,j,(double)PetscAbsScalar(tval_mdot[j]), (double)PetscAbsScalar(tval_dot[j]));CHKERRQ(ierr); 51 break; 52 } 53 } 54 } 55 } 56 ierr = PetscPrintf(PETSC_COMM_WORLD,"Test completed successfully!\n");CHKERRQ(ierr); 57 ierr = PetscFree(val_dot);CHKERRQ(ierr); 58 ierr = PetscFree(val_mdot);CHKERRQ(ierr); 59 ierr = PetscFree(tval_dot);CHKERRQ(ierr); 60 ierr = PetscFree(tval_mdot);CHKERRQ(ierr); 61 ierr = VecDestroyVecs(k,&V);CHKERRQ(ierr); 62 ierr = VecDestroy(&t);CHKERRQ(ierr); 63 ierr = PetscRandomDestroy(&rctx);CHKERRQ(ierr); 64 ierr = PetscFinalize(); 65 return ierr; 66 } 67 68 /*TEST 69 70 test: 71 72 testset: 73 output_file: output/ex43_1.out 74 75 test: 76 suffix: cuda 77 args: -vec_type cuda -random_type curand 78 requires: cuda 79 80 test: 81 suffix: kokkos 82 args: -vec_type kokkos 83 requires: kokkos_kernels 84 85 test: 86 suffix: hip 87 args: -vec_type hip 88 requires: hip 89 TEST*/ 90