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| author | Matti Picus <matti.picus@gmail.com> | 2020-08-17 17:05:30 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-17 17:05:30 +0300 |
| commit | adf50b93d76fa55d03ccbc4910602cda23b32c7d (patch) | |
| tree | 9e83978cdf6dfa07ab49ee5ec5f34cfcf810e33b /doc/release | |
| parent | cec45adb1a6aae140996d78adbe170fb8328c681 (diff) | |
| parent | dd2ddde2a22b80ad8fee815276065f417bdd2177 (diff) | |
| download | numpy-adf50b93d76fa55d03ccbc4910602cda23b32c7d.tar.gz | |
Merge pull request #16841 from marload/fix-issue-16813
BUG: linspace should round towards -infinity
Diffstat (limited to 'doc/release')
| -rw-r--r-- | doc/release/upcoming_changes/16841.change.rst | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/release/upcoming_changes/16841.change.rst b/doc/release/upcoming_changes/16841.change.rst new file mode 100644 index 000000000..d9499b6f4 --- /dev/null +++ b/doc/release/upcoming_changes/16841.change.rst @@ -0,0 +1,19 @@ +`np.linspace` on integers now use floor +--------------------------------------- +When using a `int` dtype in `numpy.linspace`, previously float values would +be rounded towards zero. Now `numpy.floor` is used instead, which rounds toward +``-inf``. This changes the results for negative values. For example, the +following would previously give:: + + >>> np.linspace(-3, 1, 8, dtype=int) + array([-3, -2, -1, -1, 0, 0, 0, 1]) + +and now results in:: + + >>> np.linspace(-3, 1, 8, dtype=int) + array([-3, -3, -2, -2, -1, -1, 0, 1]) + +The former result can still be obtained with:: + + >>> np.linspace(-3, 1, 8).astype(int) + array([-3, -2, -1, -1, 0, 0, 0, 1]) |