GCC Code Coverage Report

Directory: ./
File: src/sys/classes/st/tests/test5.c
Date: 2025-11-19 04:19:03
Exec Total Coverage
Lines: 92 92 100.0%
Functions: 1 1 100.0%
Branches: 292 428 68.2%
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 various ST interface functions.\n\n";
12
13 #include <slepceps.h>
14
15 45 int main (int argc,char **argv)
16 {
17 45 ST st;
18 45 KSP ksp;
19 45 PC pc;
20 45 Mat A,mat[1],Op;
21 45 Vec v,w;
22 45 PetscInt N,n=4,i,j,II,Istart,Iend;
23 45 PetscScalar d,val1,val2;
24 45 PetscBool test_compl=PETSC_FALSE;
25
26
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 45 PetscFunctionBeginUser;
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 45 PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
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 45 PetscCall(PetscOptionsGetBool(NULL,NULL,"-complex",&test_compl,NULL));
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 45 PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
30 45 N = n*n;
31
32 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
33 Create non-symmetric matrix
34 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
35
36
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 45 PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
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 45 PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,N,N));
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 45 PetscCall(MatSetFromOptions(A));
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 45 PetscCall(MatGetOwnershipRange(A,&Istart,&Iend));
41 #if defined(PETSC_USE_COMPLEX)
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 30 val1 = test_compl? PetscCMPLX(1.0,-0.2): 1.0;
43
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 30 val2 = test_compl? PetscCMPLX(-1.0,0.4): -1.0;
44 #else
45 15 val1 = 1.0;
46 15 val2 = -1.0;
47 #endif
48
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 765 for (II=Istart;II<Iend;II++) {
49 720 i = II/n; j = II-i*n;
50 720 d = 0.0;
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 720 if (i>0) { PetscCall(MatSetValue(A,II,II-n,val1,INSERT_VALUES)); d=d+1.0; }
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 720 if (i<n-1) { PetscCall(MatSetValue(A,II,II+n,val2,INSERT_VALUES)); d=d+1.0; }
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 720 if (j>0) { PetscCall(MatSetValue(A,II,II-1,val1,INSERT_VALUES)); d=d+1.0; }
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 720 if (j<n-1) { PetscCall(MatSetValue(A,II,II+1,val2,INSERT_VALUES)); d=d+1.0; }
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 720 PetscCall(MatSetValue(A,II,II,d,INSERT_VALUES));
56 }
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 45 PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
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 45 PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
59
60 #if defined(PETSC_USE_COMPLEX)
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 30 val1 = test_compl? PetscCMPLX(-0.5,0.01): -0.5;
62 #else
63 15 val1 = -0.5;
64 #endif
65
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 45 PetscCall(MatCreateVecs(A,&v,&w));
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 45 PetscCall(VecSetValue(v,0,val1,INSERT_VALUES));
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 45 PetscCall(VecSetValue(v,1,1.5,INSERT_VALUES));
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 45 PetscCall(VecSetValue(v,2,2,INSERT_VALUES));
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 45 PetscCall(VecAssemblyBegin(v));
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 45 PetscCall(VecAssemblyEnd(v));
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 45 PetscCall(VecView(v,NULL));
72
73 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
74 Create the spectral transformation object
75 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
76
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 45 PetscCall(STCreate(PETSC_COMM_WORLD,&st));
77 45 mat[0] = A;
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 45 PetscCall(STSetMatrices(st,1,mat));
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 45 PetscCall(STSetType(st,STCAYLEY));
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 45 PetscCall(STSetShift(st,2.0));
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 45 PetscCall(STCayleySetAntishift(st,1.0));
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 45 PetscCall(STSetTransform(st,PETSC_TRUE));
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 45 PetscCall(KSPCreate(PETSC_COMM_WORLD,&ksp));
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 45 PetscCall(KSPSetType(ksp,KSPPREONLY));
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 45 PetscCall(KSPGetPC(ksp,&pc));
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 45 PetscCall(PCSetType(pc,PCLU));
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 45 PetscCall(KSPSetTolerances(ksp,100*PETSC_MACHINE_EPSILON,PETSC_CURRENT,PETSC_CURRENT,PETSC_CURRENT));
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 45 PetscCall(KSPSetFromOptions(ksp));
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 45 PetscCall(STSetKSP(st,ksp));
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 45 PetscCall(KSPDestroy(&ksp));
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 45 PetscCall(STSetFromOptions(st));
94
95 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
96 Apply the operator
97 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
98
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 45 PetscCall(STApply(st,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 PetscCall(STApplyTranspose(st,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 if (test_compl) {
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 15 PetscCall(STApplyHermitianTranspose(st,v,w));
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 15 PetscCall(VecView(w,NULL));
107 }
108
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 45 PetscCall(STMatMult(st,1,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 PetscCall(STMatMultTranspose(st,1,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 if (test_compl) {
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 15 PetscCall(STMatMultHermitianTranspose(st,1,v,w));
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 15 PetscCall(VecView(w,NULL));
118 }
119
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 45 PetscCall(STMatSolve(st,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 PetscCall(STMatSolveTranspose(st,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 if (test_compl) {
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 15 PetscCall(STMatSolveHermitianTranspose(st,v,w));
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 15 PetscCall(VecView(w,NULL));
129 }
130
131 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
132 Get the operator matrix
133 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
134
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 45 PetscCall(STGetOperator(st,&Op));
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 45 PetscCall(MatMult(Op,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 PetscCall(MatMultTranspose(Op,v,w));
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 45 PetscCall(VecView(w,NULL));
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 45 if (test_compl) {
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 15 PetscCall(MatMultHermitianTranspose(Op,v,w));
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 15 PetscCall(VecView(w,NULL));
142 }
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 45 PetscCall(STRestoreOperator(st,&Op));
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 45 PetscCall(STDestroy(&st));
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 45 PetscCall(MatDestroy(&A));
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 45 PetscCall(VecDestroy(&v));
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 45 PetscCall(VecDestroy(&w));
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 45 PetscCall(SlepcFinalize());
150 return 0;
151 }
152
153 /*TEST
154
155 testset:
156 output_file: output/test5_1.out
157 requires: !single
158 test:
159 suffix: 1
160 args: -st_matmode {{copy inplace}}
161 test:
162 suffix: 1_shell
163 args: -st_matmode shell -ksp_type bcgs -pc_type jacobi
164
165 testset:
166 output_file: output/test5_2.out
167 requires: complex !single
168 args: -complex
169 test:
170 suffix: 2
171 args: -st_matmode {{copy inplace}}
172 test:
173 suffix: 2_shell
174 args: -st_matmode shell -ksp_type bcgs -pc_type jacobi
175
176 TEST*/
177