GCC Code Coverage Report

Directory: ./
File: src/eps/impls/external/blopex/slepc-interface.c
Date: 2025-11-19 04:19:03
Exec Total Coverage
Lines: 31 31 100.0%
Functions: 2 2 100.0%
Branches: 32 48 66.7%
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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 Modification of the *temp* implementation of the BLOPEX multivector in order
12 to wrap created PETSc vectors as multivectors.
13 */
14
15 #include <slepc/private/bvimpl.h>
16 #include <stdlib.h>
17 #include <interpreter.h>
18 #include <temp_multivector.h>
19 #include "blopex.h"
20
21 108 static void *mv_TempMultiVectorCreateFromBV(void *ii_,BlopexInt n,void *sample)
22 {
23 108 BV bv = (BV)sample;
24 108 Vec v;
25 108 PetscInt i,l,k,nc,useconstr=PETSC_FALSE,flg;
26 108 mv_TempMultiVector *x;
27 108 mv_InterfaceInterpreter *ii = (mv_InterfaceInterpreter*)ii_;
28
29 108 x = (mv_TempMultiVector*)malloc(sizeof(mv_TempMultiVector));
30
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 108 if (!x) SETERRABORT(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Allocation for x failed");
31
32 108 x->interpreter = ii;
33 108 x->numVectors = n;
34
35 108 x->vector = (void**)calloc(n,sizeof(void*));
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 108 if (!x->vector) SETERRABORT(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Allocation for x->vector failed");
37
38 108 x->ownsVectors = 1;
39 108 x->mask = NULL;
40 108 x->ownsMask = 0;
41
42
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 108 PetscCallAbort(PETSC_COMM_SELF,BVGetActiveColumns(bv,&l,&k));
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 108 PetscCallAbort(PETSC_COMM_SELF,PetscObjectComposedDataGetInt((PetscObject)bv,slepc_blopex_useconstr,useconstr,flg));
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 108 if (!l && flg && useconstr) {
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 54 PetscCallAbort(PETSC_COMM_SELF,BVGetNumConstraints(bv,&nc));
46 54 l = -nc;
47 }
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 108 if (n != k-l) SETERRABORT(PETSC_COMM_SELF,PETSC_ERR_PLIB,"BV active columns plus constraints do not match argument n");
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 366 for (i=0;i<n;i++) {
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 258 PetscCallAbort(PETSC_COMM_SELF,BVGetColumn(bv,l+i,&v));
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 258 PetscCallAbort(PETSC_COMM_SELF,PetscObjectReference((PetscObject)v));
52 258 x->vector[i] = (void*)v;
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 258 PetscCallAbort(PETSC_COMM_SELF,BVRestoreColumn(bv,l+i,&v));
54 }
55 108 return x;
56 }
57
58 /*
59 Create an InterfaceInterpreter using the PETSc implementation
60 but overloading CreateMultiVector that doesn't create any
61 new vector.
62 */
63 42 int SLEPCSetupInterpreter(mv_InterfaceInterpreter *i)
64 {
65 42 PETSCSetupInterpreter(i);
66 42 i->CreateMultiVector = mv_TempMultiVectorCreateFromBV;
67
68 42 return 0;
69 }
70