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Article #1460Odejmowanie
From: Robert Chojnacki
Date: Tue, 28 Aug 2001 13:10
Date: Tue, 28 Aug 2001 13:10
28 lines
1260 bytes
1260 bytes
Mam sobie taki fragment kodu:
for($k=0; $k < $i; $k++) {
...
...
...
$roznica = $wartosci[$k] - $zaplaty[$k];
...
...
...
}
i przy założeniu, że:
$wartosci[$k] == $zaplaty[$k];
powinienem dostawać 0 (logiczne), ale ta nie jest.
Dostaję 0 albo np. z działania:
214.91 - 214.91
wyskakuje 2.8421709430404E-014
Gdzie jest błąd?
Pozdrawiam
robert(o)
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!pingwin.icm.edu.pl!mat.uni.torun.pl!news.man.torun.pl!news.icm.edu.pl!newsfeed.tpinternet.pl!news.tpi.pl!not-for-mail From: "Robert Chojnacki" <rchojnacki@hartwig.szczecin.pl> Newsgroups: pl.comp.lang.php Subject: Odejmowanie Date: Tue, 28 Aug 2001 15:10:26 +0200 Organization: tp.internet - http://www.tpi.pl Lines: 30 Message-ID: <9mg5co$po8$1@news.tpi.pl> NNTP-Posting-Host: 195.205.248.113 X-Trace: news.tpi.pl 999004376 26376 195.205.248.113 (28 Aug 2001 13:12:56 GMT) X-Complaints-To: usenet@tpi.pl NNTP-Posting-Date: 28 Aug 2001 13:12:56 GMT X-Newsreader: Microsoft Outlook Express 5.00.2919.6600 X-MSMail-Priority: Normal X-Priority: 3 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit