Update max value of test_align_with_mag_against_numpy_implementation. (#1082)

* Update max value of test_align_with_mag_against_numpy_implementation.

* Update changelog.

Author: markbader

webknossos/Changelog.md

@@ -21,6 +21,7 @@ For upgrade instructions, please check the respective _Breaking Changes_ section
 
 ### Changed
 - Moved functional parts of merge volume annotation CLI to Dataset and Annotation classes. [#1055](https://github.com/scalableminds/webknossos-libs/pull/1055)
+- Set a new max value for test_align_with_mag_against_numpy_implementation to avoid failures due to high numbers. [#1082](https://github.com/scalableminds/webknossos-libs/pull/1082)
 
 ### Fixed
 - Fixed an issue with downloading annotations through the Command Line Interface. [#1083](https://github.com/scalableminds/webknossos-libs/pull/1083)

webknossos/tests/geometry/test_bounding_box.py

@@ -85,7 +85,9 @@ def test_align_with_mag_against_numpy_implementation(
         bb.align_with_mag(mag, ceil)
     else:
         # The slower numpy implementation is wrong for very large numbers:
-        if all(i < 12e15 for i in bb.bottomright):
+        # Floating point precision for 64 bit floats is not capable of representing
+        # numbers larger than 2**53 accurately.
+        if all(i < 2**53 for i in bb.bottomright):
             assert bb.align_with_mag(mag, ceil) == slow_np_result