[issue24520] Stop using deprecated floating-point environment functions on FreeBSD

[Andrew Turner]

Andrew Turner added the comment:

I think this patch is correct.

Clang, as shipped by FreeBSD, doesn't support FENV_ACCESS. It raises the 
following warning:

fenv_test.c:2:14: warning: pragma STDC FENV_ACCESS ON is not supported, 
ignoring pragma [-Wunknown-pragmas]
#pragma STDC FENV_ACCESS ON
 ^
1 warning generated.

I expect the man page mentions it because it is mentioned in the standard. In 
the bugs section it does say the pragma is unimplemented.

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[issue24520] Stop using deprecated floating-point environment functions on FreeBSD

[Andrew Turner]

Andrew Turner added the comment:

Can this be applied?

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[issue24520] Stop using deprecated floating-point environment functions on FreeBSD

[Andrew Turner]

New submission from Andrew Turner:

The attached patch moves to use the fenv functions on FreeBSD to control the 
floating-point environment. This will be needed as I don't expect FreeBSD will 
have these functions on arm64.

I would expect a similar change should be applied to any supported development 
branch.

--
components: Interpreter Core
files: use_fenv_freebsd.diff
keywords: patch
messages: 245879
nosy: Andrew Turner
priority: normal
severity: normal
status: open
title: Stop using deprecated floating-point environment functions on FreeBSD
type: behavior
versions: Python 3.6
Added file: http://bugs.python.org/file39822/use_fenv_freebsd.diff

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