Message 291983 - Python tracker

Message291983

Author	vstinner
Recipients	koobs, mark.dickinson, vstinner
Date	2017-04-20.15:41:33
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1492702893.24.0.0224551398193.issue30104@psf.upfronthosting.co.za>
In-reply-to

Content
test_strtod fails on FreeBSD using clang 4.0, but pass using clang 3.8. Links: * https://gcc.gnu.org/wiki/FloatingPointMath * https://gcc.gnu.org/wiki/Math_Optimization_Flags * ICC fp-model: https://software.intel.com/en-us/node/682946 GCC options: * -ffp-contract=off / -ffp-contract=fast * -fp-model (not supported by clang) * -mfpmath=sse: no effect on Clang, it's already the default and -mfpmath=387 is not supported on x86_64 ISA * -ffast-math * -fexcess-precision=standard: not supported by clang

Content

test_strtod fails on FreeBSD using clang 4.0, but pass using clang 3.8.

Links:

* https://gcc.gnu.org/wiki/FloatingPointMath
* https://gcc.gnu.org/wiki/Math_Optimization_Flags
* ICC fp-model: https://software.intel.com/en-us/node/682946

GCC options:

* -ffp-contract=off / -ffp-contract=fast
* -fp-model (not supported by clang)
* -mfpmath=sse: no effect on Clang, it's already the default and -mfpmath=387 is not supported on x86_64 ISA
* -ffast-math
* -fexcess-precision=standard: not supported by clang

History
Date	User	Action	Args
2017-04-20 15:41:33	vstinner	set	recipients: + vstinner, mark.dickinson, koobs
2017-04-20 15:41:33	vstinner	set	messageid: <1492702893.24.0.0224551398193.issue30104@psf.upfronthosting.co.za>
2017-04-20 15:41:33	vstinner	link	issue30104 messages
2017-04-20 15:41:33	vstinner	create