Vitaly Burovoy writes:
> On 1/31/16, Tom Lane wrote:
>> 2. POSIX:2008 only requires that "The isinf() macro shall return a
>> non-zero value if and only if its argument has an infinite value."
> Ok, then I'll use "is_infinite" from "float.c".
Yeah, that's good.
> But why functions' (in "src/po
On 1/31/16, Tom Lane wrote:
> 2. POSIX:2008 only requires that "The isinf() macro shall return a
> non-zero value if and only if its argument has an infinite value."
> Therefore, any assumption about the sign of the result is wrong anyway,
> and any patch that depends on it will be rejected, regar
On Mon, Feb 1, 2016 at 4:04 PM, Tom Lane wrote:
> 1. I don't think the buildfarm is sufficient evidence to conclude that
> isinf.c is required nowhere. It was in use as late as 2004, judging
> by the git history, and I don't know of good reason to assume we do not
> need it now.
>
This was 12 y
Michael Paquier writes:
> On Mon, Feb 1, 2016 at 2:38 PM, Michael Paquier
> wrote:
>> Actually, is there actually a reason to keep this file in the code
>> tree? Are there platforms that do not have isinf()? Even for Windows
>> environments using MSVC < 1800 this is emulated using _fpclass.
> Lo
On Mon, Feb 1, 2016 at 2:38 PM, Michael Paquier
wrote:
> Actually, is there actually a reason to keep this file in the code
> tree? Are there platforms that do not have isinf()? Even for Windows
> environments using MSVC < 1800 this is emulated using _fpclass.
Looking at what is in the buildfarm,
On Mon, Feb 1, 2016 at 8:13 AM, Vitaly Burovoy wrote:
> While I was searching for a function which checks doubles for
> infinity, I discovered a function "isinf" in a file src/port/isinf.c
> where one of three versions returns different value for "-inf" ("1"
> instead of "-1") comparing to the oth
Hello, hackers!
While I was searching for a function which checks doubles for
infinity, I discovered a function "isinf" in a file src/port/isinf.c
where one of three versions returns different value for "-inf" ("1"
instead of "-1") comparing to the other two.
It seems concrete values (not just "i
