GCC Code Coverage Report


Directory: ./
File: src/sys/classes/bv/tests/test3.c
Date: 2025-10-04 04:19:13
Exec Total Coverage
Lines: 65 68 95.6%
Functions: 1 1 100.0%
Branches: 205 336 61.0%

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 BV operations with non-standard inner product.\n\n";
12
13 #include <slepcbv.h>
14
15 218 int main(int argc,char **argv)
16 {
17 218 Vec t,v;
18 218 Mat B,M;
19 218 BV X;
20 218 PetscInt i,j,n=10,k=5,Istart,Iend;
21 218 PetscScalar alpha;
22 218 PetscReal nrm;
23 218 PetscViewer view;
24 218 PetscBool verbose;
25
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218 PetscFunctionBeginUser;
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218 PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
28
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218 PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL));
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218 PetscCall(PetscOptionsGetInt(NULL,NULL,"-k",&k,NULL));
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218 PetscCall(PetscOptionsHasName(NULL,NULL,"-verbose",&verbose));
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218 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Test BV with non-standard inner product (n=%" PetscInt_FMT ", k=%" PetscInt_FMT ").\n",n,k));
32
33 /* Create inner product matrix */
34
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218 PetscCall(MatCreate(PETSC_COMM_WORLD,&B));
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218 PetscCall(MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,n,n));
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218 PetscCall(MatSetFromOptions(B));
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218 PetscCall(PetscObjectSetName((PetscObject)B,"B"));
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218 PetscCall(MatGetOwnershipRange(B,&Istart,&Iend));
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1598 for (i=Istart;i<Iend;i++) {
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1380 if (i>0) PetscCall(MatSetValue(B,i,i-1,-1.0,INSERT_VALUES));
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1380 if (i<n-1) PetscCall(MatSetValue(B,i,i+1,-1.0,INSERT_VALUES));
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1380 PetscCall(MatSetValue(B,i,i,2.0,INSERT_VALUES));
44 }
45
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218 PetscCall(MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY));
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218 PetscCall(MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY));
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218 PetscCall(MatCreateVecs(B,&t,NULL));
48
49 /* Create BV object X */
50
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218 PetscCall(BVCreate(PETSC_COMM_WORLD,&X));
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218 PetscCall(PetscObjectSetName((PetscObject)X,"X"));
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218 PetscCall(BVSetSizesFromVec(X,t,k));
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218 PetscCall(BVSetFromOptions(X));
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218 PetscCall(BVSetMatrix(X,B,PETSC_FALSE));
55
56 /* Set up viewer */
57
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218 PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&view));
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218 if (verbose) PetscCall(PetscViewerPushFormat(view,PETSC_VIEWER_ASCII_MATLAB));
59
60 /* Fill X entries */
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1308 for (j=0;j<k;j++) {
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1090 PetscCall(BVGetColumn(X,j,&v));
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1090 PetscCall(VecSet(v,0.0));
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5450 for (i=0;i<4;i++) {
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4360 if (i+j<n) PetscCall(VecSetValue(v,i+j,(PetscScalar)(3*i+j-2),INSERT_VALUES));
66 }
67
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1090 PetscCall(VecAssemblyBegin(v));
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1090 PetscCall(VecAssemblyEnd(v));
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1090 PetscCall(BVRestoreColumn(X,j,&v));
70 }
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218 if (verbose) {
72 PetscCall(MatView(B,view));
73 PetscCall(BVView(X,view));
74 }
75
76 /* Test BVNormColumn */
77
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218 PetscCall(BVNormColumn(X,0,NORM_2,&nrm));
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218 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"B-Norm of X[0] = %g\n",(double)nrm));
79
80 /* Test BVOrthogonalizeColumn */
81
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1090 PetscCall(BVOrthogonalizeColumn(X,j,NULL,&nrm,NULL));
83 1090 alpha = 1.0/nrm;
84
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1090 PetscCall(BVScaleColumn(X,j,alpha));
85 }
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218 if (verbose) PetscCall(BVView(X,view));
87
88 /* Check orthogonality */
89
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218 PetscCall(MatCreateSeqDense(PETSC_COMM_SELF,k,k,NULL,&M));
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218 PetscCall(BVDot(X,X,M));
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218 PetscCall(MatShift(M,-1.0));
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218 PetscCall(MatNorm(M,NORM_1,&nrm));
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218 if (nrm<100*PETSC_MACHINE_EPSILON) PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality < 100*eps\n"));
94 else PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Level of orthogonality: %g\n",(double)nrm));
95
96 /* Test BVNormVecBegin/End */
97
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218 PetscCall(BVGetColumn(X,0,&v));
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218 PetscCall(BVNormVecBegin(X,v,NORM_1,&nrm));
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218 PetscCall(BVNormVecEnd(X,v,NORM_1,&nrm));
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218 PetscCall(BVRestoreColumn(X,0,&v));
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218 PetscCall(PetscPrintf(PETSC_COMM_WORLD,"B-Norm of X[0] = %g\n",(double)nrm));
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218 PetscCall(BVDestroy(&X));
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218 PetscCall(MatDestroy(&M));
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218 PetscCall(MatDestroy(&B));
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218 PetscCall(VecDestroy(&t));
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218 PetscCall(SlepcFinalize());
108 return 0;
109 }
110
111 /*TEST
112
113 testset:
114 output_file: output/test3_1.out
115 test:
116 suffix: 1
117 args: -bv_type {{vecs contiguous svec mat}shared output}
118 test:
119 suffix: 1_svec_vecs
120 args: -bv_type svec -bv_matmult vecs
121 test:
122 suffix: 1_cuda
123 args: -bv_type {{svec mat}} -mat_type aijcusparse
124 requires: cuda
125 test:
126 suffix: 1_hip
127 args: -bv_type {{svec mat}} -mat_type aijhipsparse
128 requires: hip
129 test:
130 suffix: 2
131 nsize: 2
132 args: -bv_type {{vecs contiguous svec mat}shared output}
133 test:
134 suffix: 3
135 nsize: 2
136 args: -bv_type {{vecs contiguous svec mat}shared output} -bv_orthog_type mgs
137
138 TEST*/
139