digitalmars.D.bugs - [Issue 21609] New: LinearCongruentialEngine fails for m = 0
- d-bugmail puremagic.com (22/22) Feb 03 2021 https://issues.dlang.org/show_bug.cgi?id=21609
https://issues.dlang.org/show_bug.cgi?id=21609 Issue ID: 21609 Summary: LinearCongruentialEngine fails for m = 0 Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: normal Priority: P1 Component: phobos Assignee: nobody puremagic.com Reporter: elpenguino+D gmail.com std.random.LinearCongruentialEngine has an undocumented behaviour that allows for m = 0 when UIntType == uint, treating it as if it were 2^32. This special case is untested, and currently (as of DMD 2.095) produces a division by zero error. example: ``` alias MSVC = LinearCongruentialEngine!(uint, 214013, 2531011, 0); ``` --
Feb 03 2021