diff options
| author | Mark Dickinson <mdickinson@enthought.com> | 2011-03-12 11:17:26 +0000 |
|---|---|---|
| committer | Mark Dickinson <mdickinson@enthought.com> | 2011-03-12 11:17:26 +0000 |
| commit | a7f0dffb8d690ea00bbe99098be5a601835ec267 (patch) | |
| tree | 81abe3ef23aaa34e7571c3ba019aba510f20825e /Lib/test/decimaltestdata | |
| parent | e858bca35648bfdd817c51bbea53cb968b626a8d (diff) | |
| parent | 37a79fb75b8f6d1833caee16c777d07b9338938f (diff) | |
| download | cpython-git-a7f0dffb8d690ea00bbe99098be5a601835ec267.tar.gz | |
Merge #11131
Diffstat (limited to 'Lib/test/decimaltestdata')
| -rw-r--r-- | Lib/test/decimaltestdata/extra.decTest | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Lib/test/decimaltestdata/extra.decTest b/Lib/test/decimaltestdata/extra.decTest index fce8435599..fe8b77a6dd 100644 --- a/Lib/test/decimaltestdata/extra.decTest +++ b/Lib/test/decimaltestdata/extra.decTest @@ -2745,3 +2745,73 @@ pwmx437 power 17 1728 1729 -> 1 pwmx438 power 18 1728 1729 -> 1 pwmx439 power 19 1728 1729 -> 456 pwmx440 power 20 1728 1729 -> 1 + +-- plus and minus zero in various rounding modes (see issue 11131) +extended: 1 +precision: 9 +maxexponent: 384 +minexponent: -383 + +rounding: half_even +plux1000 plus 0.0 -> 0.0 +plux1001 plus -0.0 -> 0.0 +minx1000 minus 0.0 -> 0.0 +minx1001 minus -0.0 -> 0.0 +absx1000 abs 0.0 -> 0.0 +absx1001 abs -0.0 -> 0.0 + +rounding: half_up +plux1010 plus 0.0 -> 0.0 +minx1010 minus 0.0 -> 0.0 +plux1011 plus -0.0 -> 0.0 +minx1011 minus -0.0 -> 0.0 +absx1010 abs 0.0 -> 0.0 +absx1011 abs -0.0 -> 0.0 + +rounding: ceiling +plux1020 plus 0.0 -> 0.0 +minx1020 minus 0.0 -> 0.0 +plux1021 plus -0.0 -> 0.0 +minx1021 minus -0.0 -> 0.0 +absx1020 abs 0.0 -> 0.0 +absx1021 abs -0.0 -> 0.0 + +rounding: floor +plux1030 plus 0.0 -> 0.0 +minx1030 minus 0.0 -> -0.0 +plux1031 plus -0.0 -> -0.0 +minx1031 minus -0.0 -> 0.0 +absx1030 abs 0.0 -> 0.0 +absx1031 abs -0.0 -> 0.0 + +rounding: down +plux1040 plus 0.0 -> 0.0 +minx1040 minus 0.0 -> 0.0 +plux1041 plus -0.0 -> 0.0 +minx1041 minus -0.0 -> 0.0 +absx1040 abs 0.0 -> 0.0 +absx1041 abs -0.0 -> 0.0 + +rounding: up +plux1050 plus 0.0 -> 0.0 +minx1050 minus 0.0 -> 0.0 +plux1051 plus -0.0 -> 0.0 +minx1051 minus -0.0 -> 0.0 +absx1050 abs 0.0 -> 0.0 +absx1051 abs -0.0 -> 0.0 + +rounding: half_down +plux1060 plus 0.0 -> 0.0 +minx1060 minus 0.0 -> 0.0 +plux1061 plus -0.0 -> 0.0 +minx1061 minus -0.0 -> 0.0 +absx1060 abs 0.0 -> 0.0 +absx1061 abs -0.0 -> 0.0 + +rounding: 05up +plux1070 plus 0.0 -> 0.0 +minx1070 minus 0.0 -> 0.0 +plux1071 plus -0.0 -> 0.0 +minx1071 minus -0.0 -> 0.0 +absx1070 abs 0.0 -> 0.0 +absx1071 abs -0.0 -> 0.0 |