Cholesky factorization linalg test failure on Fedora 20 64 bits

[nalimilan]

I've observed this when building my RPM package based on master as of today. Julia is built against openlibm, but openspecfun is using system libm, if that may help.

exception on 5: ERROR: assertion failed: |:(*(a,\(capd,*($(Expr(:', :a)),b)))) - b| <= 1.7763568394002505e-13
  :(*(a,\(capd,*($(Expr(:', :a)),b)))) = 0.28526496318426897 - 0.19880617416968338im    -0.5644814235959528 - 0.0899444951842514im
-0.44888220659098454 - 0.0665409497948648im 0.2970754155615971 + 0.9074882216755871im
0.9793022118385428 - 0.7166103862692346im   -0.016471781167485045 - 0.43901023601897915im
0.4342468708627729 - 0.4157122885563851im   -0.061386339923645394 - 0.45041652737500204im
0.37030067166128067 - 0.6420835608818125im  0.04044116045023749 + 0.2021634336932987im
-0.5187887349189797 - 0.5289684987100904im  0.19290189461460283 - 0.3305700707127426im
-0.18637240912398756 + 0.13681886725319448im    0.31982376964417814 - 0.2237671116427542im
0.08233179876841668 - 0.08059333431769211im -0.45608462015344564 - 0.2979336987172152im
0.040567565170512854 + 0.3979218711012251im 0.15386618527078344 - 0.34067790902550543im
-0.4086060614673652 - 0.3730659637195963im  -0.690014090476458 + 1.1218773089592613im

  b = 0.2852649631845685 - 0.19880617416997926im    -0.5644814235963277 - 0.08994449518408029im
-0.44888220659099815 - 0.06654094979484727im    0.2970754155616151 + 0.9074882216755727im
0.9793022118385994 - 0.716610386269295im    -0.01647178116756037 - 0.4390102360189423im
0.43424687086277935 - 0.41571228855639347im -0.06138633992365476 - 0.4504165273749945im
0.37030067166136865 - 0.6420835608818998im  0.04044116045012883 + 0.20216343369334822im
-0.5187887349190495 - 0.528968498710021im   0.19290189461469268 - 0.33057007071278605im
-0.18637240912417496 + 0.1368188672533788im 0.3198237696444139 - 0.2237671116428619im
0.08233179876839257 - 0.08059333431766443im -0.45608462015341467 - 0.2979336987172317im
0.04056756517031878 + 0.3979218711014173im  0.15386618527102777 - 0.340677909025615im
-0.40860606146731776 - 0.3730659637196408im -0.6900140904765131 + 1.1218773089592882im

  difference = 4.210282632160761e-13 > 1.7763568394002505e-13
 in error at error.jl:22
 in test_approx_eq at test.jl:68
 in anonymous at no file:53
 in runtests at /home/milan/Dev/rpmbuild/BUILD/julia-master/test/testdefs.jl:5
 in anonymous at multi.jl:834
 in run_work_thunk at multi.jl:575
 in anonymous at task.jl:834
while loading linalg.jl, in expression starting on line 23
ERROR: assertion failed: |:(*(a,\(capd,*($(Expr(:', :a)),b)))) - b| <= 1.7763568394002505e-13
  :(*(a,\(capd,*($(Expr(:', :a)),b)))) = 0.28526496318426897 - 0.19880617416968338im    -0.5644814235959528 - 0.0899444951842514im
-0.44888220659098454 - 0.0665409497948648im 0.2970754155615971 + 0.9074882216755871im
0.9793022118385428 - 0.7166103862692346im   -0.016471781167485045 - 0.43901023601897915im
0.4342468708627729 - 0.4157122885563851im   -0.061386339923645394 - 0.45041652737500204im
0.37030067166128067 - 0.6420835608818125im  0.04044116045023749 + 0.2021634336932987im
-0.5187887349189797 - 0.5289684987100904im  0.19290189461460283 - 0.3305700707127426im
-0.18637240912398756 + 0.13681886725319448im    0.31982376964417814 - 0.2237671116427542im
0.08233179876841668 - 0.08059333431769211im -0.45608462015344564 - 0.2979336987172152im
0.040567565170512854 + 0.3979218711012251im 0.15386618527078344 - 0.34067790902550543im
-0.4086060614673652 - 0.3730659637195963im  -0.690014090476458 + 1.1218773089592613im

  b = 0.2852649631845685 - 0.19880617416997926im    -0.5644814235963277 - 0.08994449518408029im
-0.44888220659099815 - 0.06654094979484727im    0.2970754155616151 + 0.9074882216755727im
0.9793022118385994 - 0.716610386269295im    -0.01647178116756037 - 0.4390102360189423im
0.43424687086277935 - 0.41571228855639347im -0.06138633992365476 - 0.4504165273749945im
0.37030067166136865 - 0.6420835608818998im  0.04044116045012883 + 0.20216343369334822im
-0.5187887349190495 - 0.528968498710021im   0.19290189461469268 - 0.33057007071278605im
-0.18637240912417496 + 0.1368188672533788im 0.3198237696444139 - 0.2237671116428619im
0.08233179876839257 - 0.08059333431766443im -0.45608462015341467 - 0.2979336987172317im
0.04056756517031878 + 0.3979218711014173im  0.15386618527102777 - 0.340677909025615im
-0.40860606146731776 - 0.3730659637196408im -0.6900140904765131 + 1.1218773089592882im

  difference = 4.210282632160761e-13 > 1.7763568394002505e-13
 in anonymous at multi.jl:1384
while loading linalg.jl, in expression starting on line 23
while loading /home/milan/Dev/rpmbuild/BUILD/julia-master/test/runtests.jl, in expression starting on line 23

[jiahao]

Please reopen if this fix did not work for you.

[nalimilan]

This fixes the problem. Thanks!