From: Nanakos Chrysostomos <linuxcprog@wired-net.gr>
To: Michal Nazarewicz <mina86@tlen.pl>
Cc: phoenixxz <vim.xxz@gmail.com>, linux-c-programming@vger.kernel.org
Subject: Re: float
Date: Fri, 08 Jan 2010 19:19:53 +0200 [thread overview]
Message-ID: <4B476939.6000600@wired-net.gr> (raw)
In-Reply-To: <87hbqwwmgb.fsf@erwin.mina86.com>
On 8/1/2010 19:11, Michal Nazarewicz wrote:
>> On 8/1/2010 18:30, phoenixxz wrote:
>>
>>> float i=1.34;
>>> printf("%f",i);
>>>
>>> ->> 0
>>> why?
>>>
> Nanakos Chrysostomos <linuxcprog@wired-net.gr> writes:
>
>> printf("%lf",i);
>>
> %lf is actually invalid format (though glibc will gladly treat it the
> same way it treats %f). When passing a float value to a function with
> variable number of arguments it is promoted to double.
>
>
It could then be:
printf("%lf", (double)i);
next prev parent reply other threads:[~2010-01-08 17:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-08 16:30 float phoenixxz
2010-01-08 4:42 ` float Bryan Christ
2010-01-08 16:45 ` float Fawad Lateef
2010-01-08 16:40 ` float Nanakos Chrysostomos
2010-01-08 16:44 ` float Fawad Lateef
2010-01-08 16:47 ` float Nanakos Chrysostomos
2010-01-08 17:11 ` float Michal Nazarewicz
2010-01-08 17:19 ` Nanakos Chrysostomos [this message]
2010-01-08 17:21 ` float Nanakos Chrysostomos
2010-01-08 17:43 ` float Michal Nazarewicz
2010-01-08 18:00 ` float andrej.gelenberg
2010-01-08 22:05 ` float Glynn Clements
-- strict thread matches above, loose matches on Subject: below --
2011-01-11 7:38 float ratheesh k
2011-01-11 7:46 ` float Thomas Weber
2011-01-11 7:56 ` float Amit Virdi
2011-01-11 7:55 ` float Uriel Corfa
2011-01-11 8:01 ` float Thomas Weber
2011-01-11 8:34 ` float ratheesh k
2011-01-11 8:57 ` float Thomas Weber
2011-01-11 8:38 ` float Andrej Gelenberg
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