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Date: Wed, 8 Sep 2010 13:38:35 -0500
Message-ID: <AANLkTi=jeOB1WLKFDF2WA6Ap4=mdQPonpo4gmUqySOpS@mail.gmail.com>
Subject: Re: rand() was not declared in this scope, please help&#8207;
From: mike marchywka <marchywka@gmail.com>
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On 9/8/10, V=E1clav Haisman <v.haisman@whithaus.giv> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> eric lin wrote, On 8.9.2010 19:35:
>> dear cygwin/gcc users:
>>
>>   I compile a simple code which i copied from a book, "The Complete
>> Reference of C++"  Fourth Edition by Herbert Schildt in page 575, rand()
>> which is clearly not be included in
>> #include <iostream>
>>
>> I tried
>> #inlcude <cmath>
>>
>> it still not compile, i.e. same compile error
>>
>> please help(see which lib I should include)
>> /* I tried in ubuntu linux on my laptop, it also not compile by same
>> reason */
> You need to #include <cstdlib> and use std::rand().
>
> - --
> VH
goog:

http://www.google.com/#sclient=3Dpsy&hl=3Den&q=3Drand%28%29+include+header&=
aq=3Df&aqi=3D&aql=3D&oq=3D&gs_rfai=3D&pbx=3D1&fp=3Dfb33825a2a74a863

also I'd mention that grepping in the include path can work.

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