1c4762a1bSJed Brown static char help[] = "Tests MAIJ matrix for large DOF\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscdm.h> 4c4762a1bSJed Brown #include <petscdmda.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown int main(int argc,char *argv[]) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown Mat M; 9c4762a1bSJed Brown Vec x,y; 10c4762a1bSJed Brown DM da,daf; 11c4762a1bSJed Brown 12*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&argv,0,help)); 135f80ce2aSJacob Faibussowitsch CHKERRQ(DMDACreate2d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE,DMDA_STENCIL_STAR,4,5,PETSC_DECIDE,PETSC_DECIDE,41,1,0,0,&da)); 145f80ce2aSJacob Faibussowitsch CHKERRQ(DMSetFromOptions(da)); 155f80ce2aSJacob Faibussowitsch CHKERRQ(DMSetUp(da)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(DMRefine(da,PETSC_COMM_WORLD,&daf)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateInterpolation(da,daf,&M,NULL)); 185f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateGlobalVector(da,&x)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateGlobalVector(daf,&y)); 20c4762a1bSJed Brown 215f80ce2aSJacob Faibussowitsch CHKERRQ(MatMult(M,x,y)); 225f80ce2aSJacob Faibussowitsch CHKERRQ(MatMultTranspose(M,y,x)); 235f80ce2aSJacob Faibussowitsch CHKERRQ(DMDestroy(&da)); 245f80ce2aSJacob Faibussowitsch CHKERRQ(DMDestroy(&daf)); 255f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&x)); 265f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&y)); 275f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&M)); 28*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 29*b122ec5aSJacob Faibussowitsch return 0; 30c4762a1bSJed Brown } 31c4762a1bSJed Brown 32c4762a1bSJed Brown /*TEST 33c4762a1bSJed Brown 34c4762a1bSJed Brown test: 35c4762a1bSJed Brown nsize: 2 36c4762a1bSJed Brown 37c4762a1bSJed Brown TEST*/ 38