Bug 932646 – dev-cpp/eigen-3.4.0-r2 fails tests: Test ( test_lazy_single<T,Rows,Cols,Depth,ColMajor,ColMajor,RowMajor>(rows,cols,depth) ) failed: verifyIsApprox(C+=A.lazyProduct(B), ref_prod(D,A,B)): Difference too large wrt tolerance 0.001, relative error is: 0.92997

• Status: CONFIRMED
• Product: Gentoo Linux

[Description matoro 2024-05-24 17:16:55 UTC]

142/1052 Testing: product_small_31
142/1052 Test: product_small_31
Command: "/var/tmp/portage/dev-cpp/eigen-3.4.0-r2/work/eigen-3.4.0_build/test/product_small_31"
Directory: /var/tmp/portage/dev-cpp/eigen-3.4.0-r2/work/eigen-3.4.0_build/test
"product_small_31" start time: May 24 16:41 UTC
Output:
----------------------------------------------------------
Initializing random number generator with seed 712808
Repeating each test 10 times
Difference too large wrt tolerance 0.001, relative error is: 0.929971
Test ( test_lazy_single<T,Rows,Cols,Depth,ColMajor,ColMajor,RowMajor>(rows,cols,depth) ) failed in /var/tmp/portage/dev-cpp/eigen-3.4.0-r2/work/eigen-3.4.0/test/product_small.cpp (56)
    verifyIsApprox(C+=A.lazyProduct(B), ref_prod(D,A,B))
Stack:
  - ( test_lazy_single<T,Rows,Cols,Depth,ColMajor,ColMajor,RowMajor>(rows,cols,depth) )
  - ( test_lazy_all_layout<T,4,4,1>() )
  - test_lazy_l1<std::complex<float> >()
  - product_small
  - Seed: 712808

<end of output>
Test time =   0.00 sec
----------------------------------------------------------
Test Failed.
"product_small_31" end time: May 24 16:41 UTC
"product_small_31" time elapsed: 00:00:00
----------------------------------------------------------

[Comment 1 matoro 2024-05-24 17:17:34 UTC]

Created attachment 894256 [details]
build.log and emerge --info