GCC Code Coverage Report

Directory:	./
File:	src/sys/classes/st/tests/test8.c
Date:	2025-10-04 04:19:13

	Exec	Total	Coverage
Lines:	85	85	100.0%
Functions:	1	1	100.0%
Branches:	278	414	67.1%

  
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      /*
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
         SLEPc - Scalable Library for Eigenvalue Problem Computations
    
         Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
    
         This file is part of SLEPc.
    
         SLEPc is distributed under a 2-clause BSD license (see LICENSE).
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
      */
    
      static char help[] = "Test ST with two matrices and split preconditioner.\n\n";
    
      #include <slepcst.h>
    
      30
      int main(int argc,char **argv)
    
      {
    
      30
        Mat            A,B,Pa,Pb,Pmat,mat[2];
    
      30
        ST             st;
    
      30
        KSP            ksp;
    
      30
        PC             pc;
    
      30
        Vec            v,w;
    
      30
        STType         type;
    
      30
        PetscScalar    sigma;
    
      30
        PetscInt       n=10,i,Istart,Iend;
    
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      30
        PetscFunctionBeginUser;
    
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      30
        PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
    
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      30
        PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
    
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      30
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n1-D Laplacian plus diagonal, n=%" PetscInt_FMT "\n\n",n));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
           Compute the operator matrices (1-D Laplacian and diagonal)
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
    
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      30
        PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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      30
        PetscCall(MatSetFromOptions(A));
    
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      30
        PetscCall(MatCreate(PETSC_COMM_WORLD,&B));
    
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      30
        PetscCall(MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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        PetscCall(MatSetFromOptions(B));
    
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      30
        PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
    
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        for (i=Istart;i<Iend;i++) {
    
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      300
          PetscCall(MatSetValue(A,i,i,2.0,INSERT_VALUES));
    
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      300
          if (i>0) {
    
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      270
            PetscCall(MatSetValue(A,i,i-1,-1.0,INSERT_VALUES));
    
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      270
            PetscCall(MatSetValue(B,i,i,(PetscScalar)i,INSERT_VALUES));
    
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      30
          } else PetscCall(MatSetValue(B,i,i,-1.0,INSERT_VALUES));
    
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      300
          if (i<n-1) PetscCall(MatSetValue(A,i,i+1,-1.0,INSERT_VALUES));
    
        }
    
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      30
        PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatCreateVecs(A,&v,&w));
    
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      30
        PetscCall(VecSet(v,1.0));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
           Compute the split preconditioner matrices (two diagonals)
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(MatCreate(PETSC_COMM_WORLD,&Pa));
    
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      30
        PetscCall(MatSetSizes(Pa,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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      30
        PetscCall(MatSetFromOptions(Pa));
    
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      30
        PetscCall(MatCreate(PETSC_COMM_WORLD,&Pb));
    
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      30
        PetscCall(MatSetSizes(Pb,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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        PetscCall(MatSetFromOptions(Pb));
    
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      30
        PetscCall(MatGetOwnershipRange(Pa,&Istart,&Iend));
    
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        for (i=Istart;i<Iend;i++) {
    
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      300
          PetscCall(MatSetValue(Pa,i,i,2.0,INSERT_VALUES));
    
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          if (i>0) PetscCall(MatSetValue(Pb,i,i,(PetscScalar)i,INSERT_VALUES));
    
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      300
          else PetscCall(MatSetValue(Pb,i,i,-1.0,INSERT_VALUES));
    
        }
    
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      30
        PetscCall(MatAssemblyBegin(Pa,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyEnd(Pa,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyBegin(Pb,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyEnd(Pb,MAT_FINAL_ASSEMBLY));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                      Create the spectral transformation object
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(STCreate(PETSC_COMM_WORLD,&st));
    
      30
        mat[0] = A;
    
      30
        mat[1] = B;
    
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      30
        PetscCall(STSetMatrices(st,2,mat));
    
      30
        mat[0] = Pa;
    
      30
        mat[1] = Pb;
    
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      30
        PetscCall(STSetSplitPreconditioner(st,2,mat,SAME_NONZERO_PATTERN));
    
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        PetscCall(STSetTransform(st,PETSC_TRUE));
    
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        PetscCall(STSetFromOptions(st));
    
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      30
        PetscCall(STCayleySetAntishift(st,-0.2));   /* only relevant for cayley */
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                     Form the preconditioner matrix and print it
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(STGetKSP(st,&ksp));
    
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        PetscCall(KSPGetPC(ksp,&pc));
    
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        PetscCall(STGetOperator(st,NULL));
    
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        PetscCall(PCGetOperators(pc,NULL,&Pmat));
    
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      30
        PetscCall(MatView(Pmat,NULL));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                         Apply the operator
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
        /* sigma=0.0 */
    
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        PetscCall(STSetUp(st));
    
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        PetscCall(STGetType(st,&type));
    
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        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"ST type %s\n",type));
    
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        PetscCall(STApply(st,v,w));
    
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      30
        PetscCall(VecView(w,NULL));
    
        /* sigma=0.1 */
    
      30
        sigma = 0.1;
    
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        PetscCall(STSetShift(st,sigma));
    
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        PetscCall(STGetShift(st,&sigma));
    
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        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With shift=%g\n",(double)PetscRealPart(sigma)));
    
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        PetscCall(STGetOperator(st,NULL));
    
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        PetscCall(PCGetOperators(pc,NULL,&Pmat));
    
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        PetscCall(MatView(Pmat,NULL));
    
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        PetscCall(STApply(st,v,w));
    
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        PetscCall(VecView(w,NULL));
    
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        PetscCall(STDestroy(&st));
    
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        PetscCall(MatDestroy(&A));
    
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        PetscCall(MatDestroy(&B));
    
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        PetscCall(MatDestroy(&Pa));
    
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        PetscCall(MatDestroy(&Pb));
    
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        PetscCall(VecDestroy(&v));
    
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        PetscCall(VecDestroy(&w));
    
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      30
        PetscCall(SlepcFinalize());
    
        return 0;
    
      }
    
      /*TEST
    
         test:
    
            suffix: 1
    
            args: -st_type {{cayley shift sinvert}separate output}
    
            requires: !single
    
      TEST*/

Line	Branch	Exec	Source
1			/*
2			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3			SLEPc - Scalable Library for Eigenvalue Problem Computations
4			Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
5
6			This file is part of SLEPc.
7			SLEPc is distributed under a 2-clause BSD license (see LICENSE).
8			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9			*/
10
11			static char help[] = "Test ST with two matrices and split preconditioner.\n\n";
12
13			#include <slepcst.h>
14
15		30	int main(int argc,char **argv)
16			{
17		30	Mat A,B,Pa,Pb,Pmat,mat[2];
18		30	ST st;
19		30	KSP ksp;
20		30	PC pc;
21		30	Vec v,w;
22		30	STType type;
23		30	PetscScalar sigma;
24		30	PetscInt n=10,i,Istart,Iend;
25
26	1/2 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken.	30	PetscFunctionBeginUser;
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28	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
29	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n1-D Laplacian plus diagonal, n=%" PetscInt_FMT "\n\n",n));
30
31			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
32			Compute the operator matrices (1-D Laplacian and diagonal)
33			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
34
35	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
36	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
37	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetFromOptions(A));
38
39	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatCreate(PETSC_COMM_WORLD,&B));
40	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,n,n));
41	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetFromOptions(B));
42
43	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
44	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	330	for (i=Istart;i<Iend;i++) {
45	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	300	PetscCall(MatSetValue(A,i,i,2.0,INSERT_VALUES));
46	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	300	if (i>0) {
47	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	270	PetscCall(MatSetValue(A,i,i-1,-1.0,INSERT_VALUES));
48	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	270	PetscCall(MatSetValue(B,i,i,(PetscScalar)i,INSERT_VALUES));
49	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	} else PetscCall(MatSetValue(B,i,i,-1.0,INSERT_VALUES));
50	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ Branch 2 taken 2 times. ✓ Branch 3 taken 8 times. ✓ Branch 4 taken 2 times. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✓ Branch 7 taken 2 times.	300	if (i<n-1) PetscCall(MatSetValue(A,i,i+1,-1.0,INSERT_VALUES));
51			}
52	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
53	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
54	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY));
55	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY));
56	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatCreateVecs(A,&v,&w));
57	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(VecSet(v,1.0));
58
59			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
60			Compute the split preconditioner matrices (two diagonals)
61			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
62
63	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatCreate(PETSC_COMM_WORLD,&Pa));
64	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetSizes(Pa,PETSC_DECIDE,PETSC_DECIDE,n,n));
65	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetFromOptions(Pa));
66
67	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatCreate(PETSC_COMM_WORLD,&Pb));
68	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetSizes(Pb,PETSC_DECIDE,PETSC_DECIDE,n,n));
69	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatSetFromOptions(Pb));
70
71	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatGetOwnershipRange(Pa,&Istart,&Iend));
72	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	330	for (i=Istart;i<Iend;i++) {
73	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	300	PetscCall(MatSetValue(Pa,i,i,2.0,INSERT_VALUES));
74	6/8 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times. ✓ Branch 2 taken 2 times. ✓ Branch 3 taken 8 times. ✓ Branch 4 taken 2 times. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✓ Branch 7 taken 2 times.	300	if (i>0) PetscCall(MatSetValue(Pb,i,i,(PetscScalar)i,INSERT_VALUES));
75	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	300	else PetscCall(MatSetValue(Pb,i,i,-1.0,INSERT_VALUES));
76			}
77	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyBegin(Pa,MAT_FINAL_ASSEMBLY));
78	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyEnd(Pa,MAT_FINAL_ASSEMBLY));
79	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyBegin(Pb,MAT_FINAL_ASSEMBLY));
80	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatAssemblyEnd(Pb,MAT_FINAL_ASSEMBLY));
81
82			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
83			Create the spectral transformation object
84			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
85
86	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STCreate(PETSC_COMM_WORLD,&st));
87		30	mat[0] = A;
88		30	mat[1] = B;
89	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetMatrices(st,2,mat));
90		30	mat[0] = Pa;
91		30	mat[1] = Pb;
92	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetSplitPreconditioner(st,2,mat,SAME_NONZERO_PATTERN));
93	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetTransform(st,PETSC_TRUE));
94	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetFromOptions(st));
95	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STCayleySetAntishift(st,-0.2)); /* only relevant for cayley */
96
97			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
98			Form the preconditioner matrix and print it
99			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
100
101	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STGetKSP(st,&ksp));
102	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(KSPGetPC(ksp,&pc));
103	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STGetOperator(st,NULL));
104	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PCGetOperators(pc,NULL,&Pmat));
105	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatView(Pmat,NULL));
106
107			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
108			Apply the operator
109			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
110
111			/* sigma=0.0 */
112	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetUp(st));
113	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STGetType(st,&type));
114	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"ST type %s\n",type));
115	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STApply(st,v,w));
116	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(VecView(w,NULL));
117
118			/* sigma=0.1 */
119		30	sigma = 0.1;
120	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STSetShift(st,sigma));
121	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STGetShift(st,&sigma));
122	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With shift=%g\n",(double)PetscRealPart(sigma)));
123	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STGetOperator(st,NULL));
124	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(PCGetOperators(pc,NULL,&Pmat));
125	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatView(Pmat,NULL));
126	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STApply(st,v,w));
127	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(VecView(w,NULL));
128
129	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(STDestroy(&st));
130	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatDestroy(&A));
131	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatDestroy(&B));
132	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatDestroy(&Pa));
133	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(MatDestroy(&Pb));
134	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(VecDestroy(&v));
135	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	30	PetscCall(VecDestroy(&w));
136	3/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 2 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✗ Branch 5 not taken.	30	PetscCall(SlepcFinalize());
137			return 0;
138			}
139
140			/*TEST
141
142			test:
143			suffix: 1
144			args: -st_type {{cayley shift sinvert}separate output}
145			requires: !single
146
147			TEST*/
148