[Python-Dev] Re: Be Honest about LC_NUMERIC [REPOST] (original) (raw)

Tim Peters tim.one at comcast.net
Mon Sep 1 22:27:17 EDT 2003

[Christian Reis]

... Are these representations (NaN, infinity, etc) LCNUMERIC-dependent? Or, more generally, locale-dependent?

Don't know; C89 didn't say anything at all about them, so existing C practice is all over the map; C99 does say something about them, but whether a C99 compiler supports them is optional (support for them isn't mandatory; if a C implementation does choose to support them, then the spellings for input are standardized, although a locale is allowed to produce any spellings whatsoever).

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