isinteger

Josef Eschgfaeller on Thu, 28 Aug 2014 09:15:54 +0200

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isinteger

To: pari-users@pari.math.u-bordeaux.fr
Subject: isinteger
From: Josef Eschgfaeller <esg@unife.it>
Date: Thu, 28 Aug 2014 09:15:47 +0200

Is there already a function for this in Pari?

\\ Tests if x is integer.
isinteger (x) = floor(x)==x

\\ For rational x.
isinteger (x) = denominator(x)==1

Thanks
Josef Eschgfaeller

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  - From: Jean-Marc Sac-Epee <jean-marc.sac-epee@univ-lorraine.fr>

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