Bug Summary

File:mat/impls/baij/seq/baijfact13.c
Warning:line 416, column 9
Value stored to 'ierr' is never read

Annotated Source Code

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1
2/*
3 Factorization code for BAIJ format.
4*/
5#include <../src/mat/impls/baij/seq/baij.h>
6#include <petsc/private/kernels/blockinvert.h>
7
8/*
9 Version for when blocks are 3 by 3
10*/
11PetscErrorCode MatLUFactorNumeric_SeqBAIJ_3_inplace(Mat C,Mat A,const MatFactorInfo *info)
12{
13 Mat_SeqBAIJ *a = (Mat_SeqBAIJ*)A->data,*b = (Mat_SeqBAIJ*)C->data;
14 IS isrow = b->row,isicol = b->icol;
15 PetscErrorCode ierr;
16 const PetscInt *r,*ic;
17 PetscInt i,j,n = a->mbs,*bi = b->i,*bj = b->j;
18 PetscInt *ajtmpold,*ajtmp,nz,row,*ai=a->i,*aj=a->j;
19 PetscInt *diag_offset = b->diag,idx,*pj;
20 MatScalar *pv,*v,*rtmp,*pc,*w,*x;
21 MatScalar p1,p2,p3,p4,m1,m2,m3,m4,m5,m6,m7,m8,m9,x1,x2,x3,x4;
22 MatScalar p5,p6,p7,p8,p9,x5,x6,x7,x8,x9;
23 MatScalar *ba = b->a,*aa = a->a;
24 PetscReal shift = info->shiftamount;
25 PetscBool allowzeropivot,zeropivotdetected;
26
27 PetscFunctionBegindo { do { ; if (petscstack && (petscstack->currentsize
< 64)) { petscstack->function[petscstack->currentsize
] = __func__; petscstack->file[petscstack->currentsize]
= "/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
; petscstack->line[petscstack->currentsize] = 27; petscstack
->petscroutine[petscstack->currentsize] = PETSC_TRUE; petscstack
->currentsize++; } if (petscstack) { petscstack->hotdepth
+= (PETSC_FALSE || petscstack->hotdepth); } ; } while (0)
; ; } while (0);
28 ierr = ISGetIndices(isrow,&r);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),28,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
29 ierr = ISGetIndices(isicol,&ic);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),29,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
30 ierr = PetscMalloc1(9*(n+1),&rtmp)PetscMallocA(1,PETSC_FALSE,30,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,(size_t)(9*(n+1))*sizeof(**(&rtmp)),(&rtmp));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),30,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
31 allowzeropivot = PetscNot(A->erroriffailure)((A->erroriffailure) ? PETSC_FALSE : PETSC_TRUE);
32
33 for (i=0; i<n; i++) {
34 nz = bi[i+1] - bi[i];
35 ajtmp = bj + bi[i];
36 for (j=0; j<nz; j++) {
37 x = rtmp + 9*ajtmp[j];
38 x[0] = x[1] = x[2] = x[3] = x[4] = x[5] = x[6] = x[7] = x[8] = 0.0;
39 }
40 /* load in initial (unfactored row) */
41 idx = r[i];
42 nz = ai[idx+1] - ai[idx];
43 ajtmpold = aj + ai[idx];
44 v = aa + 9*ai[idx];
45 for (j=0; j<nz; j++) {
46 x = rtmp + 9*ic[ajtmpold[j]];
47 x[0] = v[0]; x[1] = v[1]; x[2] = v[2]; x[3] = v[3];
48 x[4] = v[4]; x[5] = v[5]; x[6] = v[6]; x[7] = v[7]; x[8] = v[8];
49 v += 9;
50 }
51 row = *ajtmp++;
52 while (row < i) {
53 pc = rtmp + 9*row;
54 p1 = pc[0]; p2 = pc[1]; p3 = pc[2]; p4 = pc[3];
55 p5 = pc[4]; p6 = pc[5]; p7 = pc[6]; p8 = pc[7]; p9 = pc[8];
56 if (p1 != 0.0 || p2 != 0.0 || p3 != 0.0 || p4 != 0.0 || p5 != 0.0 ||
57 p6 != 0.0 || p7 != 0.0 || p8 != 0.0 || p9 != 0.0) {
58 pv = ba + 9*diag_offset[row];
59 pj = bj + diag_offset[row] + 1;
60 x1 = pv[0]; x2 = pv[1]; x3 = pv[2]; x4 = pv[3];
61 x5 = pv[4]; x6 = pv[5]; x7 = pv[6]; x8 = pv[7]; x9 = pv[8];
62 pc[0] = m1 = p1*x1 + p4*x2 + p7*x3;
63 pc[1] = m2 = p2*x1 + p5*x2 + p8*x3;
64 pc[2] = m3 = p3*x1 + p6*x2 + p9*x3;
65
66 pc[3] = m4 = p1*x4 + p4*x5 + p7*x6;
67 pc[4] = m5 = p2*x4 + p5*x5 + p8*x6;
68 pc[5] = m6 = p3*x4 + p6*x5 + p9*x6;
69
70 pc[6] = m7 = p1*x7 + p4*x8 + p7*x9;
71 pc[7] = m8 = p2*x7 + p5*x8 + p8*x9;
72 pc[8] = m9 = p3*x7 + p6*x8 + p9*x9;
73 nz = bi[row+1] - diag_offset[row] - 1;
74 pv += 9;
75 for (j=0; j<nz; j++) {
76 x1 = pv[0]; x2 = pv[1]; x3 = pv[2]; x4 = pv[3];
77 x5 = pv[4]; x6 = pv[5]; x7 = pv[6]; x8 = pv[7]; x9 = pv[8];
78 x = rtmp + 9*pj[j];
79 x[0] -= m1*x1 + m4*x2 + m7*x3;
80 x[1] -= m2*x1 + m5*x2 + m8*x3;
81 x[2] -= m3*x1 + m6*x2 + m9*x3;
82
83 x[3] -= m1*x4 + m4*x5 + m7*x6;
84 x[4] -= m2*x4 + m5*x5 + m8*x6;
85 x[5] -= m3*x4 + m6*x5 + m9*x6;
86
87 x[6] -= m1*x7 + m4*x8 + m7*x9;
88 x[7] -= m2*x7 + m5*x8 + m8*x9;
89 x[8] -= m3*x7 + m6*x8 + m9*x9;
90 pv += 9;
91 }
92 ierr = PetscLogFlops(54.0*nz+36.0);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),92,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
93 }
94 row = *ajtmp++;
95 }
96 /* finished row so stick it into b->a */
97 pv = ba + 9*bi[i];
98 pj = bj + bi[i];
99 nz = bi[i+1] - bi[i];
100 for (j=0; j<nz; j++) {
101 x = rtmp + 9*pj[j];
102 pv[0] = x[0]; pv[1] = x[1]; pv[2] = x[2]; pv[3] = x[3];
103 pv[4] = x[4]; pv[5] = x[5]; pv[6] = x[6]; pv[7] = x[7]; pv[8] = x[8];
104 pv += 9;
105 }
106 /* invert diagonal block */
107 w = ba + 9*diag_offset[i];
108 ierr = PetscKernel_A_gets_inverse_A_3(w,shift,allowzeropivot,&zeropivotdetected);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),108,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
109 if (zeropivotdetected) C->factorerrortype = MAT_FACTOR_NUMERIC_ZEROPIVOT;
110 }
111
112 ierr = PetscFree(rtmp)((*PetscTrFree)((void*)(rtmp),112,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
) || ((rtmp) = 0,0));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),112,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
113 ierr = ISRestoreIndices(isicol,&ic);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),113,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
114 ierr = ISRestoreIndices(isrow,&r);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),114,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
115
116 C->ops->solve = MatSolve_SeqBAIJ_3_inplace;
117 C->ops->solvetranspose = MatSolveTranspose_SeqBAIJ_3_inplace;
118 C->assembled = PETSC_TRUE;
119
120 ierr = PetscLogFlops(1.333333333333*3*3*3*b->mbs);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),120,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* from inverting diagonal blocks */
121 PetscFunctionReturn(0)do { do { ; if (petscstack && petscstack->currentsize
> 0) { petscstack->currentsize--; petscstack->function
[petscstack->currentsize] = 0; petscstack->file[petscstack
->currentsize] = 0; petscstack->line[petscstack->currentsize
] = 0; petscstack->petscroutine[petscstack->currentsize
] = PETSC_FALSE; } if (petscstack) { petscstack->hotdepth =
(((petscstack->hotdepth-1)<(0)) ? (0) : (petscstack->
hotdepth-1)); } ; } while (0); return(0);} while (0);
122}
123
124/* MatLUFactorNumeric_SeqBAIJ_3 -
125 copied from MatLUFactorNumeric_SeqBAIJ_N_inplace() and manually re-implemented
126 PetscKernel_A_gets_A_times_B()
127 PetscKernel_A_gets_A_minus_B_times_C()
128 PetscKernel_A_gets_inverse_A()
129*/
130PetscErrorCode MatLUFactorNumeric_SeqBAIJ_3(Mat B,Mat A,const MatFactorInfo *info)
131{
132 Mat C =B;
133 Mat_SeqBAIJ *a =(Mat_SeqBAIJ*)A->data,*b=(Mat_SeqBAIJ*)C->data;
134 IS isrow = b->row,isicol = b->icol;
135 PetscErrorCode ierr;
136 const PetscInt *r,*ic;
137 PetscInt i,j,k,nz,nzL,row;
138 const PetscInt n=a->mbs,*ai=a->i,*aj=a->j,*bi=b->i,*bj=b->j;
139 const PetscInt *ajtmp,*bjtmp,*bdiag=b->diag,*pj,bs2=a->bs2;
140 MatScalar *rtmp,*pc,*mwork,*v,*pv,*aa=a->a;
141 PetscInt flg;
142 PetscReal shift = info->shiftamount;
143 PetscBool allowzeropivot,zeropivotdetected;
144
145 PetscFunctionBegindo { do { ; if (petscstack && (petscstack->currentsize
< 64)) { petscstack->function[petscstack->currentsize
] = __func__; petscstack->file[petscstack->currentsize]
= "/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
; petscstack->line[petscstack->currentsize] = 145; petscstack
->petscroutine[petscstack->currentsize] = PETSC_TRUE; petscstack
->currentsize++; } if (petscstack) { petscstack->hotdepth
+= (PETSC_FALSE || petscstack->hotdepth); } ; } while (0)
; ; } while (0);
146 ierr = ISGetIndices(isrow,&r);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),146,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
147 ierr = ISGetIndices(isicol,&ic);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),147,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
148 allowzeropivot = PetscNot(A->erroriffailure)((A->erroriffailure) ? PETSC_FALSE : PETSC_TRUE);
149
150 /* generate work space needed by the factorization */
151 ierr = PetscMalloc2(bs2*n,&rtmp,bs2,&mwork)PetscMallocA(2,PETSC_FALSE,151,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,(size_t)(bs2*n)*sizeof(**(&rtmp)),(&rtmp),(size_t)(bs2
)*sizeof(**(&mwork)),(&mwork));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),151,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
152 ierr = PetscArrayzero(rtmp,bs2*n)PetscMemzero(rtmp,(bs2*n)*sizeof(*(rtmp)));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),152,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
153
154 for (i=0; i<n; i++) {
155 /* zero rtmp */
156 /* L part */
157 nz = bi[i+1] - bi[i];
158 bjtmp = bj + bi[i];
159 for (j=0; j<nz; j++) {
160 ierr = PetscArrayzero(rtmp+bs2*bjtmp[j],bs2)PetscMemzero(rtmp+bs2*bjtmp[j],(bs2)*sizeof(*(rtmp+bs2*bjtmp[
j])));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),160,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
161 }
162
163 /* U part */
164 nz = bdiag[i] - bdiag[i+1];
165 bjtmp = bj + bdiag[i+1]+1;
166 for (j=0; j<nz; j++) {
167 ierr = PetscArrayzero(rtmp+bs2*bjtmp[j],bs2)PetscMemzero(rtmp+bs2*bjtmp[j],(bs2)*sizeof(*(rtmp+bs2*bjtmp[
j])));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),167,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
168 }
169
170 /* load in initial (unfactored row) */
171 nz = ai[r[i]+1] - ai[r[i]];
172 ajtmp = aj + ai[r[i]];
173 v = aa + bs2*ai[r[i]];
174 for (j=0; j<nz; j++) {
175 ierr = PetscArraycpy(rtmp+bs2*ic[ajtmp[j]],v+bs2*j,bs2)((sizeof(*(rtmp+bs2*ic[ajtmp[j]])) != sizeof(*(v+bs2*j))) || PetscMemcpy
(rtmp+bs2*ic[ajtmp[j]],v+bs2*j,(bs2)*sizeof(*(rtmp+bs2*ic[ajtmp
[j]]))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),175,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
176 }
177
178 /* elimination */
179 bjtmp = bj + bi[i];
180 nzL = bi[i+1] - bi[i];
181 for (k = 0; k < nzL; k++) {
182 row = bjtmp[k];
183 pc = rtmp + bs2*row;
184 for (flg=0,j=0; j<bs2; j++) {
185 if (pc[j]!=0.0) {
186 flg = 1;
187 break;
188 }
189 }
190 if (flg) {
191 pv = b->a + bs2*bdiag[row];
192 /* PetscKernel_A_gets_A_times_B(bs,pc,pv,mwork); *pc = *pc * (*pv); */
193 ierr = PetscKernel_A_gets_A_times_B_3(pc,pv,mwork)0; { ierr = ((sizeof(*(mwork)) != sizeof(*(pc))) || PetscMemcpy
(mwork,pc,(9)*sizeof(*(mwork))));;do {if (__builtin_expect(!!
(ierr),0)) return PetscError(((MPI_Comm)0x44000001),193,__func__
,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); pc[0] = mwork[0]*pv
[0] + mwork[3]*pv[1] + mwork[6]*pv[2]; pc[1] = mwork[1]*pv[0]
+ mwork[4]*pv[1] + mwork[7]*pv[2]; pc[2] = mwork[2]*pv[0] + mwork
[5]*pv[1] + mwork[8]*pv[2]; pc[3] = mwork[0]*pv[3] + mwork[3]
*pv[4] + mwork[6]*pv[5]; pc[4] = mwork[1]*pv[3] + mwork[4]*pv
[4] + mwork[7]*pv[5]; pc[5] = mwork[2]*pv[3] + mwork[5]*pv[4]
+ mwork[8]*pv[5]; pc[6] = mwork[0]*pv[6] + mwork[3]*pv[7] + mwork
[6]*pv[8]; pc[7] = mwork[1]*pv[6] + mwork[4]*pv[7] + mwork[7]
*pv[8]; pc[8] = mwork[2]*pv[6] + mwork[5]*pv[7] + mwork[8]*pv
[8]; };CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),193,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
194
195 pj = b->j + bdiag[row+1] + 1; /* beginning of U(row,:) */
196 pv = b->a + bs2*(bdiag[row+1]+1);
197 nz = bdiag[row] - bdiag[row+1] - 1; /* num of entries in U(row,:) excluding diag */
198 for (j=0; j<nz; j++) {
199 /* PetscKernel_A_gets_A_minus_B_times_C(bs,rtmp+bs2*pj[j],pc,pv+bs2*j); */
200 /* rtmp+bs2*pj[j] = rtmp+bs2*pj[j] - (*pc)*(pv+bs2*j) */
201 v = rtmp + bs2*pj[j];
202 ierr = PetscKernel_A_gets_A_minus_B_times_C_3(v,pc,pv)0; { v[0] -= pc[0]*pv[0] + pc[3]*pv[1] + pc[6]*pv[2]; v[1] -=
pc[1]*pv[0] + pc[4]*pv[1] + pc[7]*pv[2]; v[2] -= pc[2]*pv[0]
+ pc[5]*pv[1] + pc[8]*pv[2]; v[3] -= pc[0]*pv[3] + pc[3]*pv[
4] + pc[6]*pv[5]; v[4] -= pc[1]*pv[3] + pc[4]*pv[4] + pc[7]*pv
[5]; v[5] -= pc[2]*pv[3] + pc[5]*pv[4] + pc[8]*pv[5]; v[6] -=
pc[0]*pv[6] + pc[3]*pv[7] + pc[6]*pv[8]; v[7] -= pc[1]*pv[6]
+ pc[4]*pv[7] + pc[7]*pv[8]; v[8] -= pc[2]*pv[6] + pc[5]*pv[
7] + pc[8]*pv[8]; };CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),202,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
203 pv += bs2;
204 }
205 ierr = PetscLogFlops(54*nz+45);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),205,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* flops = 2*bs^3*nz + 2*bs^3 - bs2) */
206 }
207 }
208
209 /* finished row so stick it into b->a */
210 /* L part */
211 pv = b->a + bs2*bi[i];
212 pj = b->j + bi[i];
213 nz = bi[i+1] - bi[i];
214 for (j=0; j<nz; j++) {
215 ierr = PetscArraycpy(pv+bs2*j,rtmp+bs2*pj[j],bs2)((sizeof(*(pv+bs2*j)) != sizeof(*(rtmp+bs2*pj[j]))) || PetscMemcpy
(pv+bs2*j,rtmp+bs2*pj[j],(bs2)*sizeof(*(pv+bs2*j))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),215,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
216 }
217
218 /* Mark diagonal and invert diagonal for simplier triangular solves */
219 pv = b->a + bs2*bdiag[i];
220 pj = b->j + bdiag[i];
221 ierr = PetscArraycpy(pv,rtmp+bs2*pj[0],bs2)((sizeof(*(pv)) != sizeof(*(rtmp+bs2*pj[0]))) || PetscMemcpy(
pv,rtmp+bs2*pj[0],(bs2)*sizeof(*(pv))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),221,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
222 ierr = PetscKernel_A_gets_inverse_A_3(pv,shift,allowzeropivot,&zeropivotdetected);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),222,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
223 if (zeropivotdetected) B->factorerrortype = MAT_FACTOR_NUMERIC_ZEROPIVOT;
224
225 /* U part */
226 pj = b->j + bdiag[i+1] + 1;
227 pv = b->a + bs2*(bdiag[i+1]+1);
228 nz = bdiag[i] - bdiag[i+1] - 1;
229 for (j=0; j<nz; j++) {
230 ierr = PetscArraycpy(pv+bs2*j,rtmp+bs2*pj[j],bs2)((sizeof(*(pv+bs2*j)) != sizeof(*(rtmp+bs2*pj[j]))) || PetscMemcpy
(pv+bs2*j,rtmp+bs2*pj[j],(bs2)*sizeof(*(pv+bs2*j))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),230,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
231 }
232 }
233
234 ierr = PetscFree2(rtmp,mwork)PetscFreeA(2,234,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,&(rtmp),&(mwork));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),234,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
235 ierr = ISRestoreIndices(isicol,&ic);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),235,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
236 ierr = ISRestoreIndices(isrow,&r);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),236,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
237
238 C->ops->solve = MatSolve_SeqBAIJ_3;
239 C->ops->solvetranspose = MatSolveTranspose_SeqBAIJ_3;
240 C->assembled = PETSC_TRUE;
241
242 ierr = PetscLogFlops(1.333333333333*3*3*3*n);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),242,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* from inverting diagonal blocks */
243 PetscFunctionReturn(0)do { do { ; if (petscstack && petscstack->currentsize
> 0) { petscstack->currentsize--; petscstack->function
[petscstack->currentsize] = 0; petscstack->file[petscstack
->currentsize] = 0; petscstack->line[petscstack->currentsize
] = 0; petscstack->petscroutine[petscstack->currentsize
] = PETSC_FALSE; } if (petscstack) { petscstack->hotdepth =
(((petscstack->hotdepth-1)<(0)) ? (0) : (petscstack->
hotdepth-1)); } ; } while (0); return(0);} while (0);
244}
245
246PetscErrorCode MatLUFactorNumeric_SeqBAIJ_3_NaturalOrdering_inplace(Mat C,Mat A,const MatFactorInfo *info)
247{
248 Mat_SeqBAIJ *a = (Mat_SeqBAIJ*)A->data,*b = (Mat_SeqBAIJ*)C->data;
249 PetscErrorCode ierr;
250 PetscInt i,j,n = a->mbs,*bi = b->i,*bj = b->j;
251 PetscInt *ajtmpold,*ajtmp,nz,row;
252 PetscInt *diag_offset = b->diag,*ai=a->i,*aj=a->j,*pj;
253 MatScalar *pv,*v,*rtmp,*pc,*w,*x;
254 MatScalar p1,p2,p3,p4,m1,m2,m3,m4,m5,m6,m7,m8,m9,x1,x2,x3,x4;
255 MatScalar p5,p6,p7,p8,p9,x5,x6,x7,x8,x9;
256 MatScalar *ba = b->a,*aa = a->a;
257 PetscReal shift = info->shiftamount;
258 PetscBool allowzeropivot,zeropivotdetected;
259
260 PetscFunctionBegindo { do { ; if (petscstack && (petscstack->currentsize
< 64)) { petscstack->function[petscstack->currentsize
] = __func__; petscstack->file[petscstack->currentsize]
= "/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
; petscstack->line[petscstack->currentsize] = 260; petscstack
->petscroutine[petscstack->currentsize] = PETSC_TRUE; petscstack
->currentsize++; } if (petscstack) { petscstack->hotdepth
+= (PETSC_FALSE || petscstack->hotdepth); } ; } while (0)
; ; } while (0);
261 ierr = PetscMalloc1(9*(n+1),&rtmp)PetscMallocA(1,PETSC_FALSE,261,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,(size_t)(9*(n+1))*sizeof(**(&rtmp)),(&rtmp));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),261,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
262 allowzeropivot = PetscNot(A->erroriffailure)((A->erroriffailure) ? PETSC_FALSE : PETSC_TRUE);
263
264 for (i=0; i<n; i++) {
265 nz = bi[i+1] - bi[i];
266 ajtmp = bj + bi[i];
267 for (j=0; j<nz; j++) {
268 x = rtmp+9*ajtmp[j];
269 x[0] = x[1] = x[2] = x[3] = x[4] = x[5] = x[6] = x[7] = x[8] = 0.0;
270 }
271 /* load in initial (unfactored row) */
272 nz = ai[i+1] - ai[i];
273 ajtmpold = aj + ai[i];
274 v = aa + 9*ai[i];
275 for (j=0; j<nz; j++) {
276 x = rtmp+9*ajtmpold[j];
277 x[0] = v[0]; x[1] = v[1]; x[2] = v[2]; x[3] = v[3];
278 x[4] = v[4]; x[5] = v[5]; x[6] = v[6]; x[7] = v[7]; x[8] = v[8];
279 v += 9;
280 }
281 row = *ajtmp++;
282 while (row < i) {
283 pc = rtmp + 9*row;
284 p1 = pc[0]; p2 = pc[1]; p3 = pc[2]; p4 = pc[3];
285 p5 = pc[4]; p6 = pc[5]; p7 = pc[6]; p8 = pc[7]; p9 = pc[8];
286 if (p1 != 0.0 || p2 != 0.0 || p3 != 0.0 || p4 != 0.0 || p5 != 0.0 ||
287 p6 != 0.0 || p7 != 0.0 || p8 != 0.0 || p9 != 0.0) {
288 pv = ba + 9*diag_offset[row];
289 pj = bj + diag_offset[row] + 1;
290 x1 = pv[0]; x2 = pv[1]; x3 = pv[2]; x4 = pv[3];
291 x5 = pv[4]; x6 = pv[5]; x7 = pv[6]; x8 = pv[7]; x9 = pv[8];
292 pc[0] = m1 = p1*x1 + p4*x2 + p7*x3;
293 pc[1] = m2 = p2*x1 + p5*x2 + p8*x3;
294 pc[2] = m3 = p3*x1 + p6*x2 + p9*x3;
295
296 pc[3] = m4 = p1*x4 + p4*x5 + p7*x6;
297 pc[4] = m5 = p2*x4 + p5*x5 + p8*x6;
298 pc[5] = m6 = p3*x4 + p6*x5 + p9*x6;
299
300 pc[6] = m7 = p1*x7 + p4*x8 + p7*x9;
301 pc[7] = m8 = p2*x7 + p5*x8 + p8*x9;
302 pc[8] = m9 = p3*x7 + p6*x8 + p9*x9;
303
304 nz = bi[row+1] - diag_offset[row] - 1;
305 pv += 9;
306 for (j=0; j<nz; j++) {
307 x1 = pv[0]; x2 = pv[1]; x3 = pv[2]; x4 = pv[3];
308 x5 = pv[4]; x6 = pv[5]; x7 = pv[6]; x8 = pv[7]; x9 = pv[8];
309 x = rtmp + 9*pj[j];
310 x[0] -= m1*x1 + m4*x2 + m7*x3;
311 x[1] -= m2*x1 + m5*x2 + m8*x3;
312 x[2] -= m3*x1 + m6*x2 + m9*x3;
313
314 x[3] -= m1*x4 + m4*x5 + m7*x6;
315 x[4] -= m2*x4 + m5*x5 + m8*x6;
316 x[5] -= m3*x4 + m6*x5 + m9*x6;
317
318 x[6] -= m1*x7 + m4*x8 + m7*x9;
319 x[7] -= m2*x7 + m5*x8 + m8*x9;
320 x[8] -= m3*x7 + m6*x8 + m9*x9;
321 pv += 9;
322 }
323 ierr = PetscLogFlops(54.0*nz+36.0);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),323,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
324 }
325 row = *ajtmp++;
326 }
327 /* finished row so stick it into b->a */
328 pv = ba + 9*bi[i];
329 pj = bj + bi[i];
330 nz = bi[i+1] - bi[i];
331 for (j=0; j<nz; j++) {
332 x = rtmp+9*pj[j];
333 pv[0] = x[0]; pv[1] = x[1]; pv[2] = x[2]; pv[3] = x[3];
334 pv[4] = x[4]; pv[5] = x[5]; pv[6] = x[6]; pv[7] = x[7]; pv[8] = x[8];
335 pv += 9;
336 }
337 /* invert diagonal block */
338 w = ba + 9*diag_offset[i];
339 ierr = PetscKernel_A_gets_inverse_A_3(w,shift,allowzeropivot,&zeropivotdetected);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),339,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
340 if (zeropivotdetected) C->factorerrortype = MAT_FACTOR_NUMERIC_ZEROPIVOT;
341 }
342
343 ierr = PetscFree(rtmp)((*PetscTrFree)((void*)(rtmp),343,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
) || ((rtmp) = 0,0));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),343,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
344
345 C->ops->solve = MatSolve_SeqBAIJ_3_NaturalOrdering_inplace;
346 C->ops->solvetranspose = MatSolveTranspose_SeqBAIJ_3_NaturalOrdering_inplace;
347 C->assembled = PETSC_TRUE;
348
349 ierr = PetscLogFlops(1.333333333333*3*3*3*b->mbs);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),349,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* from inverting diagonal blocks */
350 PetscFunctionReturn(0)do { do { ; if (petscstack && petscstack->currentsize
> 0) { petscstack->currentsize--; petscstack->function
[petscstack->currentsize] = 0; petscstack->file[petscstack
->currentsize] = 0; petscstack->line[petscstack->currentsize
] = 0; petscstack->petscroutine[petscstack->currentsize
] = PETSC_FALSE; } if (petscstack) { petscstack->hotdepth =
(((petscstack->hotdepth-1)<(0)) ? (0) : (petscstack->
hotdepth-1)); } ; } while (0); return(0);} while (0);
351}
352
353/*
354 MatLUFactorNumeric_SeqBAIJ_3_NaturalOrdering -
355 copied from MatLUFactorNumeric_SeqBAIJ_2_NaturalOrdering_inplace()
356*/
357PetscErrorCode MatLUFactorNumeric_SeqBAIJ_3_NaturalOrdering(Mat B,Mat A,const MatFactorInfo *info)
358{
359 Mat C =B;
360 Mat_SeqBAIJ *a=(Mat_SeqBAIJ*)A->data,*b=(Mat_SeqBAIJ*)C->data;
361 PetscErrorCode ierr;
362 PetscInt i,j,k,nz,nzL,row;
363 const PetscInt n=a->mbs,*ai=a->i,*aj=a->j,*bi=b->i,*bj=b->j;
364 const PetscInt *ajtmp,*bjtmp,*bdiag=b->diag,*pj,bs2=a->bs2;
365 MatScalar *rtmp,*pc,*mwork,*v,*pv,*aa=a->a;
366 PetscInt flg;
367 PetscReal shift = info->shiftamount;
368 PetscBool allowzeropivot,zeropivotdetected;
369
370 PetscFunctionBegindo { do { ; if (petscstack && (petscstack->currentsize
< 64)) { petscstack->function[petscstack->currentsize
] = __func__; petscstack->file[petscstack->currentsize]
= "/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
; petscstack->line[petscstack->currentsize] = 370; petscstack
->petscroutine[petscstack->currentsize] = PETSC_TRUE; petscstack
->currentsize++; } if (petscstack) { petscstack->hotdepth
+= (PETSC_FALSE || petscstack->hotdepth); } ; } while (0)
; ; } while (0);
371 allowzeropivot = PetscNot(A->erroriffailure)((A->erroriffailure) ? PETSC_FALSE : PETSC_TRUE);
372
373 /* generate work space needed by the factorization */
374 ierr = PetscMalloc2(bs2*n,&rtmp,bs2,&mwork)PetscMallocA(2,PETSC_FALSE,374,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,(size_t)(bs2*n)*sizeof(**(&rtmp)),(&rtmp),(size_t)(bs2
)*sizeof(**(&mwork)),(&mwork));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),374,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
375 ierr = PetscArrayzero(rtmp,bs2*n)PetscMemzero(rtmp,(bs2*n)*sizeof(*(rtmp)));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),375,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
376
377 for (i=0; i<n; i++) {
378 /* zero rtmp */
379 /* L part */
380 nz = bi[i+1] - bi[i];
381 bjtmp = bj + bi[i];
382 for (j=0; j<nz; j++) {
383 ierr = PetscArrayzero(rtmp+bs2*bjtmp[j],bs2)PetscMemzero(rtmp+bs2*bjtmp[j],(bs2)*sizeof(*(rtmp+bs2*bjtmp[
j])));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),383,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
384 }
385
386 /* U part */
387 nz = bdiag[i] - bdiag[i+1];
388 bjtmp = bj + bdiag[i+1] + 1;
389 for (j=0; j<nz; j++) {
390 ierr = PetscArrayzero(rtmp+bs2*bjtmp[j],bs2)PetscMemzero(rtmp+bs2*bjtmp[j],(bs2)*sizeof(*(rtmp+bs2*bjtmp[
j])));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),390,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
391 }
392
393 /* load in initial (unfactored row) */
394 nz = ai[i+1] - ai[i];
395 ajtmp = aj + ai[i];
396 v = aa + bs2*ai[i];
397 for (j=0; j<nz; j++) {
398 ierr = PetscArraycpy(rtmp+bs2*ajtmp[j],v+bs2*j,bs2)((sizeof(*(rtmp+bs2*ajtmp[j])) != sizeof(*(v+bs2*j))) || PetscMemcpy
(rtmp+bs2*ajtmp[j],v+bs2*j,(bs2)*sizeof(*(rtmp+bs2*ajtmp[j]))
));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),398,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
399 }
400
401 /* elimination */
402 bjtmp = bj + bi[i];
403 nzL = bi[i+1] - bi[i];
404 for (k=0; k<nzL; k++) {
405 row = bjtmp[k];
406 pc = rtmp + bs2*row;
407 for (flg=0,j=0; j<bs2; j++) {
408 if (pc[j]!=0.0) {
409 flg = 1;
410 break;
411 }
412 }
413 if (flg) {
414 pv = b->a + bs2*bdiag[row];
415 /* PetscKernel_A_gets_A_times_B(bs,pc,pv,mwork); *pc = *pc * (*pv); */
416 ierr = PetscKernel_A_gets_A_times_B_3(pc,pv,mwork)0; { ierr = ((sizeof(*(mwork)) != sizeof(*(pc))) || PetscMemcpy
(mwork,pc,(9)*sizeof(*(mwork))));;do {if (__builtin_expect(!!
(ierr),0)) return PetscError(((MPI_Comm)0x44000001),416,__func__
,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); pc[0] = mwork[0]*pv
[0] + mwork[3]*pv[1] + mwork[6]*pv[2]; pc[1] = mwork[1]*pv[0]
+ mwork[4]*pv[1] + mwork[7]*pv[2]; pc[2] = mwork[2]*pv[0] + mwork
[5]*pv[1] + mwork[8]*pv[2]; pc[3] = mwork[0]*pv[3] + mwork[3]
*pv[4] + mwork[6]*pv[5]; pc[4] = mwork[1]*pv[3] + mwork[4]*pv
[4] + mwork[7]*pv[5]; pc[5] = mwork[2]*pv[3] + mwork[5]*pv[4]
+ mwork[8]*pv[5]; pc[6] = mwork[0]*pv[6] + mwork[3]*pv[7] + mwork
[6]*pv[8]; pc[7] = mwork[1]*pv[6] + mwork[4]*pv[7] + mwork[7]
*pv[8]; pc[8] = mwork[2]*pv[6] + mwork[5]*pv[7] + mwork[8]*pv
[8]; };CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),416,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
Value stored to 'ierr' is never read
417
418 pj = b->j + bdiag[row+1]+1; /* beginning of U(row,:) */
419 pv = b->a + bs2*(bdiag[row+1]+1);
420 nz = bdiag[row] - bdiag[row+1] - 1; /* num of entries in U(row,:) excluding diag */
421 for (j=0; j<nz; j++) {
422 /* PetscKernel_A_gets_A_minus_B_times_C(bs,rtmp+bs2*pj[j],pc,pv+bs2*j); */
423 /* rtmp+bs2*pj[j] = rtmp+bs2*pj[j] - (*pc)*(pv+bs2*j) */
424 v = rtmp + bs2*pj[j];
425 ierr = PetscKernel_A_gets_A_minus_B_times_C_3(v,pc,pv)0; { v[0] -= pc[0]*pv[0] + pc[3]*pv[1] + pc[6]*pv[2]; v[1] -=
pc[1]*pv[0] + pc[4]*pv[1] + pc[7]*pv[2]; v[2] -= pc[2]*pv[0]
+ pc[5]*pv[1] + pc[8]*pv[2]; v[3] -= pc[0]*pv[3] + pc[3]*pv[
4] + pc[6]*pv[5]; v[4] -= pc[1]*pv[3] + pc[4]*pv[4] + pc[7]*pv
[5]; v[5] -= pc[2]*pv[3] + pc[5]*pv[4] + pc[8]*pv[5]; v[6] -=
pc[0]*pv[6] + pc[3]*pv[7] + pc[6]*pv[8]; v[7] -= pc[1]*pv[6]
+ pc[4]*pv[7] + pc[7]*pv[8]; v[8] -= pc[2]*pv[6] + pc[5]*pv[
7] + pc[8]*pv[8]; };CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),425,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
426 pv += bs2;
427 }
428 ierr = PetscLogFlops(54*nz+45);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),428,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* flops = 2*bs^3*nz + 2*bs^3 - bs2) */
429 }
430 }
431
432 /* finished row so stick it into b->a */
433 /* L part */
434 pv = b->a + bs2*bi[i];
435 pj = b->j + bi[i];
436 nz = bi[i+1] - bi[i];
437 for (j=0; j<nz; j++) {
438 ierr = PetscArraycpy(pv+bs2*j,rtmp+bs2*pj[j],bs2)((sizeof(*(pv+bs2*j)) != sizeof(*(rtmp+bs2*pj[j]))) || PetscMemcpy
(pv+bs2*j,rtmp+bs2*pj[j],(bs2)*sizeof(*(pv+bs2*j))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),438,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
439 }
440
441 /* Mark diagonal and invert diagonal for simplier triangular solves */
442 pv = b->a + bs2*bdiag[i];
443 pj = b->j + bdiag[i];
444 ierr = PetscArraycpy(pv,rtmp+bs2*pj[0],bs2)((sizeof(*(pv)) != sizeof(*(rtmp+bs2*pj[0]))) || PetscMemcpy(
pv,rtmp+bs2*pj[0],(bs2)*sizeof(*(pv))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),444,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
445 ierr = PetscKernel_A_gets_inverse_A_3(pv,shift,allowzeropivot,&zeropivotdetected);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),445,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
446 if (zeropivotdetected) B->factorerrortype = MAT_FACTOR_NUMERIC_ZEROPIVOT;
447
448 /* U part */
449 pv = b->a + bs2*(bdiag[i+1]+1);
450 pj = b->j + bdiag[i+1]+1;
451 nz = bdiag[i] - bdiag[i+1] - 1;
452 for (j=0; j<nz; j++) {
453 ierr = PetscArraycpy(pv+bs2*j,rtmp+bs2*pj[j],bs2)((sizeof(*(pv+bs2*j)) != sizeof(*(rtmp+bs2*pj[j]))) || PetscMemcpy
(pv+bs2*j,rtmp+bs2*pj[j],(bs2)*sizeof(*(pv+bs2*j))));;CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),453,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
454 }
455 }
456 ierr = PetscFree2(rtmp,mwork)PetscFreeA(2,456,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,&(rtmp),&(mwork));CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),456,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0);
457
458 C->ops->solve = MatSolve_SeqBAIJ_3_NaturalOrdering;
459 C->ops->forwardsolve = MatForwardSolve_SeqBAIJ_3_NaturalOrdering;
460 C->ops->backwardsolve = MatBackwardSolve_SeqBAIJ_3_NaturalOrdering;
461 C->ops->solvetranspose = MatSolveTranspose_SeqBAIJ_3_NaturalOrdering;
462 C->assembled = PETSC_TRUE;
463
464 ierr = PetscLogFlops(1.333333333333*3*3*3*n);CHKERRQ(ierr)do {if (__builtin_expect(!!(ierr),0)) return PetscError(((MPI_Comm
)0x44000001),464,__func__,"/sandbox/petsc/petsc.master/src/mat/impls/baij/seq/baijfact13.c"
,ierr,PETSC_ERROR_REPEAT," ");} while (0); /* from inverting diagonal blocks */
465 PetscFunctionReturn(0)do { do { ; if (petscstack && petscstack->currentsize
> 0) { petscstack->currentsize--; petscstack->function
[petscstack->currentsize] = 0; petscstack->file[petscstack
->currentsize] = 0; petscstack->line[petscstack->currentsize
] = 0; petscstack->petscroutine[petscstack->currentsize
] = PETSC_FALSE; } if (petscstack) { petscstack->hotdepth =
(((petscstack->hotdepth-1)<(0)) ? (0) : (petscstack->
hotdepth-1)); } ; } while (0); return(0);} while (0);
466}
467