LDL version 3.3.2, date: Mar 22, 2024


--------------------------------------------------------
Input file: Matrix/A01
name: Dense/0  n: 0 entries: 0
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0


--------------------------------------------------------
Input file: Matrix/A02
name: Dense/0  n: 0 entries: 0  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0


--------------------------------------------------------
Input file: Matrix/A03
name: Dense/1  n: 1 entries: 1
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 0


--------------------------------------------------------
Input file: Matrix/A04
name: Dense/1  n: 1 entries: 2  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 8.32667e-17
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 8.32667e-17


--------------------------------------------------------
Input file: Matrix/A05
name: Dense/2  n: 2 entries: 4
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 1  Flop count: 3
relative maxnorm of residual: 5.55112e-17
Factorize A=LDL' and solve Ax=b
Nz in L: 1  Flop count: 3
relative maxnorm of residual: 5.55112e-17


--------------------------------------------------------
Input file: Matrix/A06
name: Dense/2  n: 2 entries: 5  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 1  Flop count: 3
relative maxnorm of residual: 1.11022e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 1  Flop count: 3
relative maxnorm of residual: 1.11022e-16


--------------------------------------------------------
Input file: Matrix/A07
name: Dense/3  n: 3 entries: 9
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 3  Flop count: 11
relative maxnorm of residual: 1.11022e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 3  Flop count: 11
relative maxnorm of residual: 1.11022e-16


--------------------------------------------------------
Input file: Matrix/A08
name: Dense/3  n: 3 entries: 11  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 3  Flop count: 11
relative maxnorm of residual: 1.38778e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 3  Flop count: 11
relative maxnorm of residual: 1.38778e-16


--------------------------------------------------------
Input file: Matrix/A09
name: HB/can_24  n: 24 entries: 160
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 96  Flop count: 632
Ax=b not solved since D(1,1) is zero.
Factorize A=LDL' and solve Ax=b
Nz in L: 146  Flop count: 1360
Ax=b not solved since D(5,5) is zero.


--------------------------------------------------------
Input file: Matrix/A10
name: HB/can_24  n: 24 entries: 188  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 96  Flop count: 632
Ax=b not solved since D(1,1) is zero.
Factorize A=LDL' and solve Ax=b
Nz in L: 146  Flop count: 1360
Ax=b not solved since D(5,5) is zero.


--------------------------------------------------------
Input file: Matrix/A11
name: FIDAP/ex5  n: 27 entries: 279
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 126  Flop count: 954
relative maxnorm of residual: 2.59625e-10
Factorize A=LDL' and solve Ax=b
Nz in L: 276  Flop count: 4206
relative maxnorm of residual: 2.72848e-10


--------------------------------------------------------
Input file: Matrix/A12
name: FIDAP/ex5  n: 27 entries: 325  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 126  Flop count: 954
relative maxnorm of residual: 3.27418e-10
Factorize A=LDL' and solve Ax=b
Nz in L: 276  Flop count: 4206
relative maxnorm of residual: 2.32376e-10


--------------------------------------------------------
Input file: Matrix/A13
name: HB/bcsstk01  n: 48 entries: 400
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 441  Flop count: 5961
relative maxnorm of residual: 2.38712e-13
Factorize A=LDL' and solve Ax=b
Nz in L: 829  Flop count: 20103
relative maxnorm of residual: 2.27374e-13


--------------------------------------------------------
Input file: Matrix/A14
name: HB/bcsstk01  n: 48 entries: 472  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 441  Flop count: 5961
relative maxnorm of residual: 2.27374e-13
Factorize A=LDL' and solve Ax=b
Nz in L: 829  Flop count: 20103
relative maxnorm of residual: 3.83693e-13


--------------------------------------------------------
Input file: Matrix/A15
name: HB/bcsstm01  n: 48 entries: 24
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
Ax=b not solved since D(3,3) is zero.
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
Ax=b not solved since D(3,3) is zero.


--------------------------------------------------------
Input file: Matrix/A16
name: HB/bcsstm01  n: 48 entries: 26  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
Ax=b not solved since D(3,3) is zero.
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
Ax=b not solved since D(3,3) is zero.


--------------------------------------------------------
Input file: Matrix/A17
name: Pothen/mesh1e1  n: 48 entries: 306
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 288  Flop count: 2630
relative maxnorm of residual: 5.96745e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 511  Flop count: 7383
relative maxnorm of residual: 6.93889e-16


--------------------------------------------------------
Input file: Matrix/A18
name: Pothen/mesh1e1  n: 48 entries: 359  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 288  Flop count: 2630
relative maxnorm of residual: 5.55112e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 511  Flop count: 7383
relative maxnorm of residual: 5.55112e-16


--------------------------------------------------------
Input file: Matrix/A19
name: Bai/bfwb62  n: 62 entries: 342
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 226  Flop count: 1472
relative maxnorm of residual: 5.55112e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 662  Flop count: 11350
relative maxnorm of residual: 1.11022e-15


--------------------------------------------------------
Input file: Matrix/A20
name: Bai/bfwb62  n: 62 entries: 407  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 226  Flop count: 1472
relative maxnorm of residual: 5.68434e-14
Factorize A=LDL' and solve Ax=b
Nz in L: 662  Flop count: 11350
relative maxnorm of residual: 2.15827e-12


--------------------------------------------------------
Input file: Matrix/A21
name: HB/bcsstk02  n: 66 entries: 4356
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 2145  Flop count: 97955
relative maxnorm of residual: 7.50219e-13
Factorize A=LDL' and solve Ax=b
Nz in L: 2145  Flop count: 97955
relative maxnorm of residual: 7.50219e-13


--------------------------------------------------------
Input file: Matrix/A22
name: HB/bcsstk02  n: 66 entries: 5175  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 2145  Flop count: 97955
relative maxnorm of residual: 8.59759e-13
Factorize A=LDL' and solve Ax=b
Nz in L: 2145  Flop count: 97955
relative maxnorm of residual: 8.59759e-13


--------------------------------------------------------
Input file: Matrix/A23
name: HB/bcsstm02  n: 66 entries: 66
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 2.22045e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 2.22045e-16


--------------------------------------------------------
Input file: Matrix/A24
name: HB/bcsstm02  n: 66 entries: 72  (jumbled version)
--------------------------------------------------------

Factorize PAP'=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 2.22045e-16
Factorize A=LDL' and solve Ax=b
Nz in L: 0  Flop count: 0
relative maxnorm of residual: 2.22045e-16


--------------------------------------------------------
Input file: Matrix/A25
name: Dense/0  n: 0 entries: 0 (invalid matrix, Ap [0] = 1)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation


--------------------------------------------------------
Input file: Matrix/A26
name: Dense/2  n: 2 entries: 4 (invalid perm, P[1]=99)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation


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Input file: Matrix/A27
name: Dense/3  n: 3 entries: 9 (invalid perm)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation


--------------------------------------------------------
Input file: Matrix/A28
name: Dense/3  n: 3 entries: 9 (invalid Ap)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation


--------------------------------------------------------
Input file: Matrix/A29
name: Dense/3  n: 3 entries: 9 (invalid Ai)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation


--------------------------------------------------------
Input file: Matrix/A30
name: Dense/3  n: 3 entries: 9 (invalid Ai)
--------------------------------------------------------

ldlmain: invalid matrix and/or permutation

Largest residual during all tests: 3.27418e-10

ldlmain: all tests passed