CRAN Package Check Results for Package QZ

Last updated on 2026-02-14 21:51:23 CET.

Flavor	Version	Tinstall	Tcheck	Ttotal	Status	Flags
r-devel-linux-x86_64-debian-clang	0.2-4	12.77	75.08	87.85	OK
r-devel-linux-x86_64-debian-gcc	0.2-4	9.78	56.69	66.47	OK
r-devel-linux-x86_64-fedora-clang	0.2-4	20.00	119.11	139.11	OK
r-devel-linux-x86_64-fedora-gcc	0.2-4	18.00	120.40	138.40	OK
r-devel-macos-arm64	0.2-4	5.00	24.00	29.00	ERROR
r-devel-windows-x86_64	0.2-4	31.00	109.00	140.00	OK
r-patched-linux-x86_64	0.2-4	12.01	69.07	81.08	OK
r-release-linux-x86_64	0.2-4	11.62	68.42	80.04	OK
r-release-macos-arm64	0.2-4				OK
r-release-macos-x86_64	0.2-4	12.00	70.00	82.00	OK
r-release-windows-x86_64	0.2-4	31.00	103.00	134.00	OK
r-oldrel-macos-arm64	0.2-4				OK
r-oldrel-macos-x86_64	0.2-4	11.00	106.00	117.00	OK
r-oldrel-windows-x86_64	0.2-4	37.00	122.00	159.00	OK

Check Details

Version: 0.2-4
Check: examples
Result: ERROR Running examples in ‘QZ-Ex.R’ failed The error most likely occurred in: > ### Name: QZ Decomposition > ### Title: QZ Decomposition > ### Aliases: qz > ### Keywords: programming > > ### ** Examples > > library(QZ, quiet = TRUE) > > ### https://www.netlib.org/lapack/lug/node124.html > (ret <- qz(exAB1$A, exAB1$B)) ALPHA: [1] 19.03-57.099i 11.88-29.705i 10.96- 3.654i 21.87-27.340i BETA: [1] 6.344+0i 5.941+0i 3.654+0i 5.468+0i S: [,1] [,2] [,3] [,4] [1,] 19.03-57.1i 53.59-89.82i -81.314-63.230i 106.6624-44.786i [2,] 0.00+ 0.0i 11.88-29.70i 3.562+27.629i -0.6712-16.421i [3,] 0.00+ 0.0i 0.00+ 0.00i 10.961- 3.654i -25.0226- 8.201i [4,] 0.00+ 0.0i 0.00+ 0.00i 0.000+ 0.000i 21.8722-27.340i T: [,1] [,2] [,3] [,4] [1,] 6.344+0i 3.399+0.7119i -0.5152-2.3820i 6.582+2.4299i [2,] 0.000+0i 5.941+0.0000i -2.4480-0.3427i 5.739-0.7017i [3,] 0.000+0i 0.000+0.0000i 3.6536+0.0000i -1.410-3.9326i [4,] 0.000+0i 0.000+0.0000i 0.0000+0.0000i 5.468+0.0000i Q: [,1] [,2] [,3] [,4] [1,] -0.33471+0.73868i 0.28720-0.47888i 0.1725+0.009349i 0.01443-0.02124i [2,] -0.12766+0.24928i -0.02822+0.49986i 0.1541-0.800751i -0.00873-0.07670i [3,] -0.35575+0.03965i -0.46147-0.08221i -0.3939+0.025814i -0.14637-0.68917i [4,] -0.01261-0.36824i 0.15079-0.44169i 0.1517-0.355507i -0.70486-0.01328i Z: [,1] [,2] [,3] [1,] -0.92400-0.19768i 0.24596+0.20899i -0.005425+0.05421i [2,] -0.17156+0.07925i -0.59434+0.09047i 0.746734-0.21271i [3,] -0.07925-0.17156i 0.09429-0.50824i 0.010200-0.44383i [4,] 0.17156-0.07925i 0.50824+0.09429i 0.443828+0.01020i [,4] [1,] 0.000e+00+0.000e+00i [2,] -3.733e-17-2.434e-16i [3,] 7.034e-01-7.277e-02i [4,] -7.277e-02-7.034e-01i > > ### https://www.netlib.org/lapack/lug/node119.html > (ret <- qz(exAB2$A, exAB2$B)) ALPHA: [1] 3.801+0.000i 3.030+4.040i 1.563-2.084i 4.000+0.000i BETA: [1] 1.900 1.010 0.521 1.000 S: [,1] [,2] [,3] [,4] [1,] 3.801 -31.326 -61.485 -66.836 [2,] 0.000 3.351 -7.074 -6.692 [3,] 0.000 1.192 1.410 4.379 [4,] 0.000 0.000 0.000 4.000 T: [,1] [,2] [,3] [,4] [1,] 1.9 1.078 -5.6252 -9.987 [2,] 0.0 1.176 0.0000 -1.751 [3,] 0.0 0.000 0.4474 1.090 [4,] 0.0 0.000 0.0000 1.000 Q: [,1] [,2] [,3] [,4] [1,] -0.4642 0.81159 -0.3547 -1.535e-16 [2,] -0.5002 -0.06975 0.4950 7.071e-01 [3,] -0.5002 -0.06975 0.4950 -7.071e-01 [4,] -0.5331 -0.57585 -0.6198 -4.740e-16 Z: [,1] [,2] [,3] [,4] [1,] -0.996056 0.08183 0.03428 0.000e+00 [2,] -0.005692 -0.44454 0.89574 1.951e-16 [3,] -0.062609 -0.63075 -0.31343 -7.071e-01 [4,] -0.062609 -0.63075 -0.31343 7.071e-01 > > ### https://www.netlib.org/lapack/lug/node94.html > (ret <- qz(exA1$A)) W: [1] -6.000-6.9998i -5.000+2.0060i 7.998-0.9964i 3.002-3.9998i T: [,1] [,2] [,3] [,4] [1,] -6-7i -0.4972-0.1369i 0.4761-0.1946i 0.5910-0.6978i [2,] 0+0i -5.0000+2.0060i -0.2071-0.6920i -0.1476-0.2189i [3,] 0+0i 0.0000+0.0000i 7.9982-0.9964i -0.6911+0.8277i [4,] 0+0i 0.0000+0.0000i 0.0000+0.0000i 3.0023-3.9998i Q: [,1] [,2] [,3] [,4] [1,] -0.5312-0.6581i 0.3583+0.1428i -0.0935-0.27356i 0.09403-0.20865i [2,] 0.2474-0.1769i 0.5625-0.1188i -0.4015+0.60101i 0.05148+0.22793i [3,] 0.1874-0.2637i -0.4673-0.4242i -0.5752-0.03892i 0.06345-0.40083i [4,] -0.1909+0.2262i -0.1471+0.3174i -0.1537+0.19505i 0.85085-0.06622i > > ### https://www.netlib.org/lapack/lug/node89.html > (ret <- qz(exA2$A)) W: [1] 0.79948+0.0000i -0.09941+0.4008i -0.09941-0.4008i -0.10066+0.0000i T: [,1] [,2] [,3] [,4] [1,] 0.7995 0.006037 -0.11445 -0.03357 [2,] 0.0000 -0.099412 -0.64834 -0.20258 [3,] 0.0000 0.247764 -0.09941 -0.34742 [4,] 0.0000 0.000000 0.00000 -0.10066 Q: [,1] [,2] [,3] [,4] [1,] -0.65509 -0.3450 -0.1037 0.6641 [2,] -0.52363 0.6141 0.5807 -0.1068 [3,] 0.53622 0.2935 0.3073 0.7293 [4,] -0.09561 0.6463 -0.7467 0.1249 > > # Reordering eigenvalues > select1 <- c(TRUE, FALSE, FALSE, TRUE) > select2 <- c(FALSE, TRUE, TRUE, FALSE) > (ret <- qz(exAB1$A, exAB1$B, select = select1)) *** caught segfault *** address 0x1, cause 'invalid permissions' Traceback: 1: qz.ztgsen(ret$S, ret$T, ret$Q, ret$Z, select, ijob = 4L, want.Q = TRUE, want.Z = TRUE, ...) 2: qz(exAB1$A, exAB1$B, select = select1) An irrecoverable exception occurred. R is aborting now ... Flavor: r-devel-macos-arm64