#14933: atan2 returns wrong result in some case
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Reporter: hanya | Owner: nobody
Type: bug | Status: new
Priority: normal | Milestone: Unscheduled
Component: System/libroot.so | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: x86-64
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Comment (by pulkomandy):
So, I checked what we're doing. The atan2 code we're currently using is in
the arch/generic/ directory and was imported for PowerPC. I suspect it
uses PowerPC floating point format, which is not compatible with x86.
I checked what glibc does, and there, the same e_atan2.S file is used for
both x86 and x86_64. So I think we should do just that. However I have no
x86_64 system to test this on.
If someone can confirm this builds and fixes the problem: https://review
.haiku-os.org/c/haiku/+/2065
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Ticket URL: <https://dev.haiku-os.org/ticket/14933#comment:5>
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