From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal Nazarewicz <mina86@tlen.pl>
Subject: Re: float
Date: Fri, 08 Jan 2010 18:11:48 +0100
Message-ID: <87hbqwwmgb.fsf@erwin.mina86.com>
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	<4B476184.9070407@wired-net.gr>
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In-Reply-To: <4B476184.9070407@wired-net.gr> (Nanakos Chrysostomos's message
	of "Fri, 08 Jan 2010 18:47:00 +0200")
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To: Nanakos Chrysostomos <linuxcprog@wired-net.gr>
Cc: phoenixxz <vim.xxz@gmail.com>, linux-c-programming@vger.kernel.org

> 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.

-- 
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