1 static const char help[] = "Test DMCreateInjection() for mapping coordinates in 3D"; 2 3 #include <petscvec.h> 4 #include <petscmat.h> 5 #include <petscdm.h> 6 #include <petscdmda.h> 7 8 PetscErrorCode test1_DAInjection3d(PetscInt mx, PetscInt my, PetscInt mz) 9 { 10 PetscErrorCode ierr; 11 DM dac,daf; 12 PetscViewer vv; 13 Vec ac,af; 14 PetscInt periodicity; 15 DMBoundaryType bx,by,bz; 16 17 PetscFunctionBeginUser; 18 bx = DM_BOUNDARY_NONE; 19 by = DM_BOUNDARY_NONE; 20 bz = DM_BOUNDARY_NONE; 21 22 periodicity = 0; 23 24 PetscCall(PetscOptionsGetInt(NULL,NULL,"-periodic", &periodicity, NULL)); 25 if (periodicity==1) { 26 bx = DM_BOUNDARY_PERIODIC; 27 } else if (periodicity==2) { 28 by = DM_BOUNDARY_PERIODIC; 29 } else if (periodicity==3) { 30 bz = DM_BOUNDARY_PERIODIC; 31 } 32 33 ierr = DMDACreate3d(PETSC_COMM_WORLD, bx,by,bz, DMDA_STENCIL_BOX,mx+1, my+1,mz+1,PETSC_DECIDE, PETSC_DECIDE,PETSC_DECIDE,1, /* 1 dof */ 34 1, /* stencil = 1 */NULL,NULL,NULL,&daf);PetscCall(ierr); 35 PetscCall(DMSetFromOptions(daf)); 36 PetscCall(DMSetUp(daf)); 37 38 PetscCall(DMCoarsen(daf,MPI_COMM_NULL,&dac)); 39 40 PetscCall(DMDASetUniformCoordinates(dac, -1.0,1.0, -1.0,1.0, -1.0,1.0)); 41 PetscCall(DMDASetUniformCoordinates(daf, -1.0,1.0, -1.0,1.0, -1.0,1.0)); 42 43 { 44 DM cdaf,cdac; 45 Vec coordsc,coordsf,coordsf2; 46 Mat inject; 47 VecScatter vscat; 48 Mat interp; 49 PetscReal norm; 50 51 PetscCall(DMGetCoordinateDM(dac,&cdac)); 52 PetscCall(DMGetCoordinateDM(daf,&cdaf)); 53 54 PetscCall(DMGetCoordinates(dac,&coordsc)); 55 PetscCall(DMGetCoordinates(daf,&coordsf)); 56 57 PetscCall(DMCreateInjection(cdac,cdaf,&inject)); 58 PetscCall(MatScatterGetVecScatter(inject,&vscat)); 59 PetscCall(VecScatterBegin(vscat,coordsf,coordsc,INSERT_VALUES,SCATTER_FORWARD)); 60 PetscCall(VecScatterEnd(vscat ,coordsf,coordsc,INSERT_VALUES,SCATTER_FORWARD)); 61 PetscCall(MatDestroy(&inject)); 62 63 PetscCall(DMCreateInterpolation(cdac,cdaf,&interp,NULL)); 64 PetscCall(VecDuplicate(coordsf,&coordsf2)); 65 PetscCall(MatInterpolate(interp,coordsc,coordsf2)); 66 PetscCall(VecAXPY(coordsf2,-1.0,coordsf)); 67 PetscCall(VecNorm(coordsf2,NORM_MAX,&norm)); 68 /* The fine coordinates are only reproduced in certain cases */ 69 if (!bx && !by && !bz && norm > PETSC_SQRT_MACHINE_EPSILON) PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Norm %g\n",(double)norm)); 70 PetscCall(VecDestroy(&coordsf2)); 71 PetscCall(MatDestroy(&interp)); 72 } 73 74 if (0) { 75 PetscCall(DMCreateGlobalVector(dac,&ac)); 76 PetscCall(VecZeroEntries(ac)); 77 78 PetscCall(DMCreateGlobalVector(daf,&af)); 79 PetscCall(VecZeroEntries(af)); 80 81 PetscCall(PetscViewerASCIIOpen(PETSC_COMM_WORLD, "dac_7.vtu", &vv)); 82 PetscCall(VecView(ac, vv)); 83 PetscCall(PetscViewerDestroy(&vv)); 84 85 PetscCall(PetscViewerASCIIOpen(PETSC_COMM_WORLD, "daf_7.vtu", &vv)); 86 PetscCall(VecView(af, vv)); 87 PetscCall(PetscViewerDestroy(&vv)); 88 PetscCall(VecDestroy(&ac)); 89 PetscCall(VecDestroy(&af)); 90 } 91 PetscCall(DMDestroy(&dac)); 92 PetscCall(DMDestroy(&daf)); 93 PetscFunctionReturn(0); 94 } 95 96 int main(int argc,char **argv) 97 { 98 PetscInt mx,my,mz; 99 100 PetscCall(PetscInitialize(&argc,&argv,0,help)); 101 mx = 2; 102 my = 2; 103 mz = 2; 104 PetscCall(PetscOptionsGetInt(NULL,NULL,"-mx", &mx, 0)); 105 PetscCall(PetscOptionsGetInt(NULL,NULL,"-my", &my, 0)); 106 PetscCall(PetscOptionsGetInt(NULL,NULL,"-mz", &mz, 0)); 107 PetscCall(test1_DAInjection3d(mx,my,mz)); 108 PetscCall(PetscFinalize()); 109 return 0; 110 } 111 112 /*TEST 113 114 test: 115 nsize: 5 116 args: -mx 30 -my 30 -mz 30 -periodic 0 -da_processors_x 5 117 118 test: 119 suffix: 2 120 nsize: 5 121 args: -mx 29 -my 30 -mz 30 -periodic 1 -da_processors_x 5 122 123 test: 124 suffix: 3 125 nsize: 5 126 args: -mx 30 -my 29 -mz 30 -periodic 2 -da_processors_x 5 127 128 test: 129 suffix: 4 130 nsize: 5 131 args: -mx 30 -my 30 -mz 29 -periodic 3 -da_processors_x 5 132 133 test: 134 suffix: 5 135 nsize: 5 136 args: -mx 30 -my 30 -mz 30 -periodic 0 -da_processors_y 5 137 138 test: 139 suffix: 6 140 nsize: 5 141 args: -mx 29 -my 30 -mz 30 -periodic 1 -da_processors_y 5 142 143 test: 144 suffix: 7 145 nsize: 5 146 args: -mx 30 -my 29 -mz 30 -periodic 2 -da_processors_y 5 147 148 test: 149 suffix: 8 150 nsize: 5 151 args: -mx 30 -my 30 -mz 29 -periodic 3 -da_processors_y 5 152 153 test: 154 suffix: 9 155 nsize: 5 156 args: -mx 30 -my 30 -mz 30 -periodic 0 -da_processors_z 5 157 158 test: 159 suffix: 10 160 nsize: 5 161 args: -mx 29 -my 30 -mz 30 -periodic 1 -da_processors_z 5 162 163 test: 164 suffix: 11 165 nsize: 5 166 args: -mx 30 -my 29 -mz 30 -periodic 2 -da_processors_z 5 167 168 test: 169 suffix: 12 170 nsize: 5 171 args: -mx 30 -my 30 -mz 29 -periodic 3 -da_processors_z 5 172 173 test: 174 suffix: 13 175 nsize: 5 176 args: -mx 30 -my 30 -mz 30 -periodic 0 177 178 test: 179 suffix: 14 180 nsize: 5 181 args: -mx 29 -my 30 -mz 30 -periodic 1 182 183 test: 184 suffix: 15 185 nsize: 5 186 args: -mx 30 -my 29 -mz 30 -periodic 2 187 188 test: 189 suffix: 16 190 nsize: 5 191 args: -mx 30 -my 30 -mz 29 -periodic 3 192 193 TEST*/ 194