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Date: Tue, 8 Mar 2016 14:45:38 +0900
From: Masanori Ogino <>
Subject: Re: [PATCH] Define LONG_DOUBLE_IS_* internal macros.

2016-03-08 14:05 GMT+09:00 Rich Felker <>:
> On Tue, Mar 08, 2016 at 11:38:15AM +0900, OGINO Masanori wrote:
>> These macros indicate which format is used for long double with the
>> toolchain.
>> Although the meaning of "LDBL_DIG_MANT == 64 && LDBL_MAX_EXP == 16384"
>> is very clear to floating-point arithmetic guys, it is nice to have
>> descriptive names to such conditions.
> I understand where you're coming from but I think this is opposite to
> the style preferences in musl, which are to avoid dependence on
> internal things and directly use portable conditions based on public
> interfaces where possible. The existing tests are all completely valid
> even outside musl, without depending on any musl-internal stuff. If
> the intent is not clear, perhaps some simple comments would suffice?

OK, now I understood that. I think original code is clear enough; it
seems just a matter of taste.

Thank you for your advice.

Masanori Ogino

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