Esempio n. 1
0
/*

Stokes output:
  ---------------------------------
  Operator summary:
    K
    G
    f,
    h
    u
    p
  ---------------------------------
  Solution summary:
    max_u
    min_u
    average_u


    |r_1|
    |r_2|
---------------------------------
  Solver summary:
    name


---------------------------------
  Petsc build summary:

*/
PetscErrorCode BSSCR_stokes_output( PetscViewer v, Mat stokes_A, Vec stokes_b, Vec stokes_x, KSP ksp, PetscInt monitor_index )
{
    Mat K,G,D,C;
    Vec f,h, u,p;


    K = G = D = C = PETSC_NULL;
    f = h = PETSC_NULL;
    u = p = PETSC_NULL;

    MatNestGetSubMat( stokes_A, 0,0, &K );
    MatNestGetSubMat( stokes_A, 0,1, &G );
    MatNestGetSubMat( stokes_A, 1,0, &D );
    MatNestGetSubMat( stokes_A, 1,1, &C );

    VecNestGetSubVec( stokes_x, 0, &u );
    VecNestGetSubVec( stokes_x, 1, &p );

    VecNestGetSubVec( stokes_b, 0, &f );
    VecNestGetSubVec( stokes_b, 1, &h );


    PetscViewerASCIIPrintf( v, "Stokes Output:\n");
    PetscViewerASCIIPushTab( v );
    /*--------------------------------------------------------------------------------------------*/
    PetscViewerASCIIPrintf( v, "--------------------------------------------------\n");
    PetscViewerASCIIPrintf( v, "Operator summary:\n");
    PetscViewerASCIIPushTab( v );

    if (K) {
        BSSCR_MatInfoLog(v,K, "stokes_A11");
        PetscViewerASCIIPrintf( v, "\n");
    }
    if (G) {
        BSSCR_MatInfoLog(v,G, "stokes_A12");
        PetscViewerASCIIPrintf( v, "\n");
    }
    if (D) {
        BSSCR_MatInfoLog(v,D, "stokes_A21");
        PetscViewerASCIIPrintf( v, "\n");
    }
    if (C) {
        BSSCR_MatInfoLog(v,C, "stokes_A22");
        PetscViewerASCIIPrintf( v, "\n");
    }

    if (f) {
        BSSCR_VecInfoLog(v,f,"stokes_b1");
        PetscViewerASCIIPrintf( v, "\n");
    }
    if (h) {
        BSSCR_VecInfoLog(v,h,"stokes_b2");
        PetscViewerASCIIPrintf( v, "\n");
    }

    PetscViewerASCIIPopTab( v );


    /*--------------------------------------------------------------------------------------------*/
    PetscViewerASCIIPrintf( v, "--------------------------------------------------\n");
    PetscViewerASCIIPrintf( v, "Solution summary:\n");
    PetscViewerASCIIPushTab( v );

    if (u) {
        BSSCR_VecInfoLog(v,u,"x1");
        PetscViewerASCIIPrintf( v, "\n");
    }
    if (p) {
        BSSCR_VecInfoLog(v,p,"x2");
        PetscViewerASCIIPrintf( v, "\n");
    }

    {
        PetscScalar s,sum;
        PetscReal r,max,min;
        PetscInt N, loc;
        double r1,r2;
        Vec K_d;
        PetscInt loc_max, loc_min;


        VecGetSize( u, &N );
        VecMax( u, &loc, &r );
        PetscViewerASCIIPrintf( v, "u_max: %1.12e [%d] \n", r, loc );
        VecMin( u, &loc, &r );
        PetscViewerASCIIPrintf( v, "u_min: %1.12e [%d] \n", r, loc );

        VecDot( u,u, &s );
        PetscViewerASCIIPrintf( v, "u_rms: %1.12e \n", sqrt( PetscRealPart(s) )/N );

        VecDuplicate( u, &K_d );
        MatGetDiagonal( K, K_d );
        VecMax( K_d, &loc_max, &max );
        VecMin( K_d, &loc_min, &min );
        PetscViewerASCIIPrintf( v,"Algebraic contrast: max(K_d)=%.3e [%d] , min(K_d)=%.3e [%d] , max(K_d)/min(K_d) = %.8e \n", max,loc_max, min,loc_min, max/min );

        MatGetRowMax( K, K_d, PETSC_NULL );
        VecMax( K_d, &loc_max, &max );
        MatGetRowMin( K, K_d, PETSC_NULL );
        VecAbs( K_d );
        VecMin( K_d, &loc_min, &min );
        PetscViewerASCIIPrintf( v,"Algebraic contrast:   max(K)=%.3e [%d] , |min(K)|=%.3e [%d]  ,   max(K)/|min(K)| = %.8e \n", max,loc_max, min,loc_min, max/min );
        Stg_VecDestroy(&K_d );

        PetscViewerASCIIPrintf( v, "\n");

        VecGetSize( p, &N );
        VecMax( p, &loc, &r );
        PetscViewerASCIIPrintf( v, "p_max:  %1.12e [%d] \n", r, loc );
        VecMin( p, &loc, &r );
        PetscViewerASCIIPrintf( v, "p_min:  %1.12e [%d] \n", r, loc );

        VecDot( p,p, &s );
        PetscViewerASCIIPrintf( v, "p_rms:  %1.12e \n", sqrt( PetscRealPart(s) )/N );

        VecSum( p, &sum );
        PetscViewerASCIIPrintf( v, "sum(p): %1.12e \n", sum );

        PetscViewerASCIIPrintf( v, "\n");

        r1 = BSSCR_StokesMomentumResidual( K,G,f, u,p );
        PetscViewerASCIIPrintf( v, "|r1| = %1.12e <momentum> \n", r1 );
        r2 = BSSCR_StokesContinuityResidual( G,C,h, u,p );
        PetscViewerASCIIPrintf( v, "|r2| = %1.12e <continuity> \n", r2 );
        PetscViewerASCIIPrintf( v, "\n");
    }
    PetscViewerASCIIPopTab( v );


    /*--------------------------------------------------------------------------------------------*/
    if (ksp) {
        PetscViewerASCIIPrintf( v, "--------------------------------------------------\n");
        PetscViewerASCIIPrintf( v, "Solver summary:\n");
        PetscViewerASCIIPushTab( v );

        BSSCR_KSPLogSolve( v, monitor_index, ksp );
        BSSCR_BSSCR_KSPLogSolveSummary( v, monitor_index, ksp );
        PetscViewerASCIIPrintf( v, "\n");
        PetscViewerASCIIPopTab( v );
    }

    /*--------------------------------------------------------------------------------------------*/
    PetscViewerASCIIPrintf( v, "--------------------------------------------------\n");
    PetscViewerASCIIPrintf( v, "Petsc build summary:\n");
    PetscViewerASCIIPushTab( v );

    BSSCR_GeneratePetscHeader_for_viewer( v );
    PetscViewerASCIIPrintf( v, "\n");

    PetscViewerASCIIPopTab( v );
    /*--------------------------------------------------------------------------------------------*/


    PetscViewerASCIIPopTab(v);

    PetscFunctionReturn(0);
}
PetscErrorCode BSSCR_MatStokesMVBlockReportOperatorScales( Mat A, PetscTruth sym )
{
	Vec rA, rG;
	PetscInt loc,M,N;
	PetscReal min, max;
	Mat K,G,D,C;
	PetscTruth is_block;
	
	
	/* check A is 2x2 block matrix */
	Stg_PetscObjectTypeCompare( (PetscObject)A, "block", &is_block );
	if (is_block==PETSC_FALSE) {
		Stg_SETERRQ( PETSC_ERR_SUP, "Only valid for MatType = block" );
	}
	MatGetSize( A, &M, &N );
	if ( (M!=2) || (N!=2) ) {
		Stg_SETERRQ2( PETSC_ERR_SUP, "Only valid for 2x2 block. Yours has dimension %Dx%D", M,N );
	}
	
	
	MatNestGetSubMat( A, 0,0, &K );
	MatNestGetSubMat( A, 0,1, &G );
	MatNestGetSubMat( A, 1,0, &D );
	MatNestGetSubMat( A, 1,1, &C );
	
	
	MatGetVecs( K, PETSC_NULL, &rA );
	VecDuplicate( rA, &rG );
	
	/* Report the row max and mins */
	if (K!=PETSC_NULL) {
		MatGetRowMax( K, rA, PETSC_NULL );
		VecMax( rA, &loc, &max );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_max(K) = %g \n", max );
		
		MatGetRowMinAbs( K, rA, PETSC_NULL );
		VecMin( rA, &loc, &min );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_min(K) = %g \n\n", min );
	}
	
	if( G != PETSC_NULL ) {       
		MatGetRowMax( G, rG, PETSC_NULL );
		VecMax( rG, &loc, &max );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_max(G) = %g \n", max );
		
		MatGetRowMinAbs( G, rG, PETSC_NULL );
		VecMin( rG, &loc, &min );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_min(G) = %g \n", min );
	}
	
	if( D != PETSC_NULL && !sym ) {
                Vec rD;

                MatGetVecs( D, PETSC_NULL, &rD );
		MatGetRowMax( D, rD, PETSC_NULL );
		VecMax( rD, &loc, &max );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_max(D) = %g \n", max );
		
		MatGetRowMinAbs( D, rD, PETSC_NULL );
		VecMin( rD, &loc, &min );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_min(D) = %g \n", min );

                Stg_VecDestroy(&rD );
	}
	
	if( C != PETSC_NULL ) {
		Vec cG;

		MatGetVecs( G, &cG, PETSC_NULL );
		MatGetRowMax( C, cG, PETSC_NULL );
		VecMax( cG, &loc, &max );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_max(C) = %g \n", max );
		
		MatGetRowMin( C, cG, PETSC_NULL );
		VecMin( cG, &loc, &min );
		PetscPrintf( PETSC_COMM_WORLD, "Sup_min(C) = %g \n\n", min );
	
		Stg_VecDestroy(&cG);
	}
	
	
	Stg_VecDestroy(&rA );
	Stg_VecDestroy(&rG );
	
	
	PetscFunctionReturn(0);
}
Esempio n. 3
0
PETSC_EXTERN void PETSC_STDCALL  matgetrowmin_(Mat *mat,Vec *v,PetscInt idx[], int *ierr )
{
  CHKFORTRANNULLINTEGER(idx);
  *ierr = MatGetRowMin(*mat,*v,idx);
}
Esempio n. 4
0
int main(int argc,char **args)
{
  Mat            A;
  Vec            min,max,maxabs;
  PetscInt       m,n;
  PetscInt       imin[M],imax[M],imaxabs[M],indices[N],row;
  PetscScalar    values[N];
  PetscErrorCode ierr;
  MatType        type;
  PetscMPIInt    size;
  PetscBool      doTest=PETSC_TRUE;

  ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
  ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);

  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,M,N);CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);
  ierr = MatSetUp(A);CHKERRQ(ierr);
  row  = 0;

  indices[0] = 0;   indices[1] = 1;  indices[2] = 2;  indices[3] = 3;  indices[4] = 4;  indices[5] = 5;
  values[0]  = -1.0; values[1] = 0.0; values[2] = 1.0; values[3] = 3.0; values[4] = 4.0; values[5] = -5.0;

  ierr = MatSetValues(A,1,&row,6,indices,values,INSERT_VALUES);CHKERRQ(ierr);
  row  = 1;
  ierr = MatSetValues(A,1,&row,3,indices,values,INSERT_VALUES);CHKERRQ(ierr);
  row  = 4;
  ierr = MatSetValues(A,1,&row,1,indices+4,values+4,INSERT_VALUES);CHKERRQ(ierr);
  row  = 4;
  ierr = MatSetValues(A,1,&row,2,indices+4,values+4,INSERT_VALUES);CHKERRQ(ierr);
  ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);

  ierr = MatGetLocalSize(A, &m,&n);CHKERRQ(ierr);
  ierr = VecCreate(PETSC_COMM_WORLD,&min);CHKERRQ(ierr);
  ierr = VecSetSizes(min,m,PETSC_DECIDE);CHKERRQ(ierr);
  ierr = VecSetFromOptions(min);CHKERRQ(ierr);
  ierr = VecDuplicate(min,&max);CHKERRQ(ierr);
  ierr = VecDuplicate(min,&maxabs);CHKERRQ(ierr);

  /* Test MatGetRowMin, MatGetRowMax and MatGetRowMaxAbs */
  if (size == 1) {
    ierr = MatGetRowMin(A,min,imin);CHKERRQ(ierr);
    ierr = MatGetRowMax(A,max,imax);CHKERRQ(ierr);
    ierr = MatGetRowMaxAbs(A,maxabs,imaxabs);CHKERRQ(ierr);

    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Minimums\n");CHKERRQ(ierr);
    ierr = VecView(min,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imin,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximums\n");CHKERRQ(ierr);
    ierr = VecView(max,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imax,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximum Absolute Values\n");CHKERRQ(ierr);
    ierr = VecView(maxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imaxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);

  } else {
    ierr = MatGetType(A,&type);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"\nMatrix type: %s\n",type);CHKERRQ(ierr);
    /* AIJ */
    ierr = PetscObjectTypeCompare((PetscObject)A,MATMPIAIJ,&doTest);CHKERRQ(ierr);
    if (doTest) {
      ierr = MatGetRowMaxAbs(A,maxabs,NULL);CHKERRQ(ierr);
      ierr = MatGetRowMaxAbs(A,maxabs,imaxabs);CHKERRQ(ierr);
      ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximum Absolute Values:\n");CHKERRQ(ierr);
      ierr = VecView(maxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    }
    /* BAIJ */
    ierr = PetscObjectTypeCompare((PetscObject)A,MATMPIBAIJ,&doTest);CHKERRQ(ierr);
    if (doTest) {
      ierr = MatGetRowMaxAbs(A,maxabs,NULL);CHKERRQ(ierr);
      ierr = MatGetRowMaxAbs(A,maxabs,imaxabs);CHKERRQ(ierr);
      ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximum Absolute Values:\n");CHKERRQ(ierr);
      ierr = VecView(maxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    }
  }

  if (size == 1) {
    ierr = MatConvert(A,MATDENSE,MAT_INPLACE_MATRIX,&A);CHKERRQ(ierr);

    ierr = MatGetRowMin(A,min,imin);CHKERRQ(ierr);
    ierr = MatGetRowMax(A,max,imax);CHKERRQ(ierr);
    ierr = MatGetRowMaxAbs(A,maxabs,imaxabs);CHKERRQ(ierr);

    ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Minimums\n");CHKERRQ(ierr);
    ierr = VecView(min,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imin,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximums\n");CHKERRQ(ierr);
    ierr = VecView(max,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imax,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Row Maximum Absolute Values\n");CHKERRQ(ierr);
    ierr = VecView(maxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = PetscIntView(5,imaxabs,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  ierr = VecDestroy(&min);CHKERRQ(ierr);
  ierr = VecDestroy(&max);CHKERRQ(ierr);
  ierr = VecDestroy(&maxabs);CHKERRQ(ierr);
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return ierr;
}