1. 07 Dec, 2014 2 commits
  2. 03 Dec, 2014 1 commit
  3. 23 Nov, 2014 5 commits
  4. 22 Nov, 2014 1 commit
  5. 21 Nov, 2014 1 commit
  6. 15 Nov, 2014 2 commits
  7. 14 Nov, 2014 1 commit
  8. 13 Nov, 2014 2 commits
    • Release Manager's avatar
      Trac #17331: Numerical noise is back in src/sage/matrix/matrix_double_dense.pyx · 61f2a7ed
      Release Manager authored
      {{{
      sage -t src/sage/matrix/matrix_double_dense.pyx
      **********************************************************************
      File "src/sage/matrix/matrix_double_dense.pyx", line 1012, in
      sage.matrix.matrix_double_dense.Matrix_double_dense.singular_values
      Failed example:
          A.singular_values(eps=None)  # abs tol 5e-16
      Expected:
          [1.7953720595619975, 0.38027524595503703, 0.04473854875218107,
      0.0037223122378911614, 0.0002330890890217751, 1.116335748323284e-05,
      4.082376110397296e-07, 1.1228610675717613e-08, 2.2519645713496478e-10,
      3.1113486853814003e-12, 2.6500422260778388e-14, 9.87312834948426e-17]
      Got:
          [1.7953720595619969,
           0.3802752459550371,
           0.04473854875218114,
           0.003722312237891189,
           0.00023308908902178912,
           1.1163357483229223e-05,
           4.0823761103637633e-07,
           1.1228610665566416e-08,
           2.251964510803022e-10,
           3.1113474636612192e-12,
           2.6497213779939672e-14,
           1.048419319427735e-16]
      Tolerance exceeded in 1 of 12:
          1.7953720595619975 vs 1.7953720595619969, tolerance 6e-16 > 5e-16
      **********************************************************************
      File "src/sage/matrix/matrix_double_dense.pyx", line 1014, in
      sage.matrix.matrix_double_dense.Matrix_double_dense.singular_values
      Failed example:
          A.singular_values(eps='auto')  # abs tol 5e-16
      Expected:
          [1.7953720595619975, 0.38027524595503703, 0.04473854875218107,
      0.0037223122378911614, 0.0002330890890217751, 1.116335748323284e-05,
      4.082376110397296e-07, 1.1228610675717613e-08, 2.2519645713496478e-10,
      3.1113486853814003e-12, 2.6500422260778388e-14, 0.0]
      Got:
          [1.7953720595619969,
           0.3802752459550371,
           0.04473854875218114,
           0.003722312237891189,
           0.00023308908902178912,
           1.1163357483229223e-05,
           4.0823761103637633e-07,
           1.1228610665566416e-08,
           2.251964510803022e-10,
           3.1113474636612192e-12,
           2.6497213779939672e-14,
           0.0]
      Tolerance exceeded in 1 of 12:
          1.7953720595619975 vs 1.7953720595619969, tolerance 6e-16 > 5e-16
      **********************************************************************
      File "src/sage/matrix/matrix_double_dense.pyx", line 1016, in
      sage.matrix.matrix_double_dense.Matrix_double_dense.singular_values
      Failed example:
          A.singular_values(eps=1e-4)  # abs tol 5e-16
      Expected:
          [1.7953720595619975, 0.38027524595503703, 0.04473854875218107,
      0.0037223122378911614, 0.0002330890890217751, 0.0, 0.0, 0.0, 0.0, 0.0,
      0.0, 0.0]
      Got:
          [1.7953720595619969,
           0.3802752459550371,
           0.04473854875218114,
           0.003722312237891189,
           0.00023308908902178912,
           0.0,
           0.0,
           0.0,
           0.0,
           0.0,
           0.0,
           0.0]
      Tolerance exceeded in 1 of 12:
          1.7953720595619975 vs 1.7953720595619969, tolerance 6e-16 > 5e-16
      **********************************************************************
      1 item had failures:
         3 of  31 in
      sage.matrix.matrix_double_dense.Matrix_double_dense.singular_values
          [642 tests, 3 failures, 1.54 s]
      }}}
      This is on a virtualized Ubuntu
      {{{
      darij@travis-virtualbox:~/gitsage$ uname -s -r -v
      Linux 3.2.0-70-generic #105-Ubuntu SMP Wed Sep 24 19:49:46 UTC 2014
      }}}
      on a Win7 64bit host.
      
      URL: http://trac.sagemath.org/17331
      Reported by: darij
      Ticket author(s): Darij Grinberg
      Reviewer(s): Volker Braun
      61f2a7ed
    • Darij Grinberg's avatar
  9. 12 Nov, 2014 2 commits
  10. 11 Nov, 2014 4 commits
  11. 10 Nov, 2014 4 commits
  12. 09 Nov, 2014 1 commit
  13. 08 Nov, 2014 1 commit
  14. 07 Nov, 2014 7 commits
  15. 06 Nov, 2014 2 commits
  16. 05 Nov, 2014 4 commits