GCC Code Coverage Report

Directory:	./
File:	src/sys/classes/st/tests/test6.c
Date:	2025-11-19 04:19:03

	Exec	Total	Coverage
Lines:	72	72	100.0%
Functions:	1	1	100.0%
Branches:	240	356	67.4%

  
      Line
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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 STPRECOND operations.\n\n";
    
      #include <slepcst.h>
    
      30
      int main(int argc,char **argv)
    
      {
    
      30
        Mat            A,P,mat[1];
    
      30
        ST             st;
    
      30
        KSP            ksp;
    
      30
        Vec            v,w;
    
      30
        PetscScalar    sigma;
    
      30
        PetscInt       n=10,i,Istart,Iend;
    
      30
        STMatMode      matmode;
    
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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,"\nPreconditioner for 1-D Laplacian, n=%" PetscInt_FMT "\n\n",n));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                   Compute the operator matrix for the 1-D Laplacian
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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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(MatGetOwnershipRange(A,&Istart,&Iend));
    
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      330
        for (i=Istart;i<Iend;i++) {
    
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      300
          if (i>0) PetscCall(MatSetValue(A,i,i-1,-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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      300
          PetscCall(MatSetValue(A,i,i,2.0,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(MatCreateVecs(A,&v,&w));
    
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      30
        PetscCall(VecSet(v,1.0));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                      Create the spectral transformation object
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(STCreate(PETSC_COMM_WORLD,&st));
    
      30
        mat[0] = A;
    
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      30
        PetscCall(STSetMatrices(st,1,mat));
    
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      30
        PetscCall(STSetType(st,STPRECOND));
    
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      30
        PetscCall(STGetKSP(st,&ksp));
    
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      30
        PetscCall(KSPSetType(ksp,KSPPREONLY));
    
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      30
        PetscCall(STSetFromOptions(st));
    
        /* set up */
    
        /* - the transform flag is necessary so that A-sigma*I is built explicitly */
    
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      30
        PetscCall(STSetTransform(st,PETSC_TRUE));
    
        /* - the ksphasmat flag is necessary when using STApply(), otherwise can only use PCApply() */
    
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      30
        PetscCall(STPrecondSetKSPHasMat(st,PETSC_TRUE));
    
        /* no need to call STSetUp() explicitly */
    
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      30
        PetscCall(STSetUp(st));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                             Apply the preconditioner
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
        /* default shift */
    
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      30
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With default shift\n"));
    
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      30
        PetscCall(STApply(st,v,w));
    
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      30
        PetscCall(VecView(w,NULL));
    
        /* change shift */
    
      30
        sigma = 0.1;
    
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      30
        PetscCall(STSetShift(st,sigma));
    
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      30
        PetscCall(STGetShift(st,&sigma));
    
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      30
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With shift=%g\n",(double)PetscRealPart(sigma)));
    
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      30
        PetscCall(STApply(st,v,w));
    
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      30
        PetscCall(VecView(w,NULL));
    
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      30
        PetscCall(STPostSolve(st));   /* undo changes if inplace */
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                       Test a user-provided preconditioner matrix
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(MatCreate(PETSC_COMM_WORLD,&P));
    
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      30
        PetscCall(MatSetSizes(P,PETSC_DECIDE,PETSC_DECIDE,n,n));
    
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      30
        PetscCall(MatSetFromOptions(P));
    
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      30
        PetscCall(MatGetOwnershipRange(P,&Istart,&Iend));
    
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      330
        for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(P,i,i,2.0,INSERT_VALUES));
    
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        if (Istart==0) {
    
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      30
          PetscCall(MatSetValue(P,1,0,-1.0,INSERT_VALUES));
    
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      30
          PetscCall(MatSetValue(P,0,1,-1.0,INSERT_VALUES));
    
        }
    
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      30
        PetscCall(MatAssemblyBegin(P,MAT_FINAL_ASSEMBLY));
    
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      30
        PetscCall(MatAssemblyEnd(P,MAT_FINAL_ASSEMBLY));
    
        /* apply new preconditioner */
    
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      30
        PetscCall(STSetPreconditionerMat(st,P));
    
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      30
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With user-provided matrix\n"));
    
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      30
        PetscCall(STApply(st,v,w));
    
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      30
        PetscCall(VecView(w,NULL));
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                  Test a user-provided preconditioner in split form
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(STGetMatMode(st,&matmode));
    
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      30
        if (matmode==ST_MATMODE_COPY) {
    
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      10
          PetscCall(STSetPreconditionerMat(st,NULL));
    
      10
          mat[0] = P;
    
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      10
          PetscCall(STSetSplitPreconditioner(st,1,mat,SAME_NONZERO_PATTERN));
    
          /* apply new preconditioner */
    
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      10
          PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With split preconditioner\n"));
    
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      10
          PetscCall(STApply(st,v,w));
    
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      10
          PetscCall(VecView(w,NULL));
    
        }
    
        /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
                                   Clean up
    
           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
    
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      30
        PetscCall(STDestroy(&st));
    
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      30
        PetscCall(MatDestroy(&A));
    
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      30
        PetscCall(MatDestroy(&P));
    
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      30
        PetscCall(VecDestroy(&v));
    
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      30
        PetscCall(VecDestroy(&w));
    
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      30
        PetscCall(SlepcFinalize());
    
        return 0;
    
      }
    
      /*TEST
    
         test:
    
            suffix: 1
    
            args: -st_matmode {{copy inplace shell}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 STPRECOND operations.\n\n";
12
13			#include <slepcst.h>
14
15		30	int main(int argc,char **argv)
16			{
17		30	Mat A,P,mat[1];
18		30	ST st;
19		30	KSP ksp;
20		30	Vec v,w;
21		30	PetscScalar sigma;
22		30	PetscInt n=10,i,Istart,Iend;
23		30	STMatMode matmode;
24
25	1/2 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken.	30	PetscFunctionBeginUser;
26	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(SlepcInitialize(&argc,&argv,NULL,help));
27	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));
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(PetscPrintf(PETSC_COMM_WORLD,"\nPreconditioner for 1-D Laplacian, n=%" PetscInt_FMT "\n\n",n));
29
30			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
31			Compute the operator matrix for the 1-D Laplacian
32			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
33
34	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));
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(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n));
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(MatSetFromOptions(A));
37
38	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));
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40	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(A,i,i-1,-1.0,INSERT_VALUES));
41	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));
42	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));
43			}
44	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));
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.	30	PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
46	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));
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.	30	PetscCall(VecSet(v,1.0));
48
49			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
50			Create the spectral transformation object
51			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
52
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(STCreate(PETSC_COMM_WORLD,&st));
54		30	mat[0] = A;
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(STSetMatrices(st,1,mat));
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(STSetType(st,STPRECOND));
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(STGetKSP(st,&ksp));
58	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(KSPSetType(ksp,KSPPREONLY));
59	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));
60
61			/* set up */
62			/* - the transform flag is necessary so that A-sigmaI is built explicitly /
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(STSetTransform(st,PETSC_TRUE));
64			/* - the ksphasmat flag is necessary when using STApply(), otherwise can only use PCApply() */
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(STPrecondSetKSPHasMat(st,PETSC_TRUE));
66			/* no need to call STSetUp() explicitly */
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(STSetUp(st));
68
69			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
70			Apply the preconditioner
71			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
72
73			/* default shift */
74	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 default shift\n"));
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.	30	PetscCall(STApply(st,v,w));
76	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));
77
78			/* change shift */
79		30	sigma = 0.1;
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(STSetShift(st,sigma));
81	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));
82	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)));
83	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));
84	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));
85	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(STPostSolve(st)); /* undo changes if inplace */
86
87			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
88			Test a user-provided preconditioner matrix
89			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
90
91	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,&P));
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(MatSetSizes(P,PETSC_DECIDE,PETSC_DECIDE,n,n));
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(MatSetFromOptions(P));
94
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(MatGetOwnershipRange(P,&Istart,&Iend));
96	7/8 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 8 times. ✓ Branch 2 taken 10 times. ✓ Branch 3 taken 8 times. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times. ✓ Branch 6 taken 2 times. ✓ Branch 7 taken 2 times.	330	for (i=Istart;i<Iend;i++) PetscCall(MatSetValue(P,i,i,2.0,INSERT_VALUES));
97	1/2 ✓ Branch 0 taken 10 times. ✗ Branch 1 not taken.	30	if (Istart==0) {
98	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(MatSetValue(P,1,0,-1.0,INSERT_VALUES));
99	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(MatSetValue(P,0,1,-1.0,INSERT_VALUES));
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(MatAssemblyBegin(P,MAT_FINAL_ASSEMBLY));
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(MatAssemblyEnd(P,MAT_FINAL_ASSEMBLY));
103
104			/* apply new preconditioner */
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(STSetPreconditionerMat(st,P));
106	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 user-provided matrix\n"));
107	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));
108	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));
109
110			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
111			Test a user-provided preconditioner in split form
112			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
113
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(STGetMatMode(st,&matmode));
115	2/2 ✓ Branch 0 taken 10 times. ✓ Branch 1 taken 10 times.	30	if (matmode==ST_MATMODE_COPY) {
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.	10	PetscCall(STSetPreconditionerMat(st,NULL));
117		10	mat[0] = P;
118	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.	10	PetscCall(STSetSplitPreconditioner(st,1,mat,SAME_NONZERO_PATTERN));
119
120			/* apply new preconditioner */
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.	10	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"With split preconditioner\n"));
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.	10	PetscCall(STApply(st,v,w));
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.	10	PetscCall(VecView(w,NULL));
124			}
125
126			/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
127			Clean up
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(&P));
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(VecDestroy(&v));
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(VecDestroy(&w));
134	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());
135			return 0;
136			}
137
138			/*TEST
139
140			test:
141			suffix: 1
142			args: -st_matmode {{copy inplace shell}separate output}
143			requires: !single
144
145			TEST*/
146