Hi Monks

I came across with a strange result when I'm using int() function. For example,

my $x1 = (1.15*170)+0.50;
my $x2 = int($x1);
print "Number is: $x1, Integer part is: $x2";

[download]

It prints "Number is: 196, Integer part is: 195", but I would expect $x2 to be 196

But when I am using different numbers I am getting the correct results. For example,

my $x1 = (1.15*150)+0.50;
my $x2 = int($x1);
print "\nNumber is: $x1, Integer part is: $x2";

[download]
my $x1 = (1.15*30)+0.50;
my $x2 = int($x1);
print "\nNumber is: $x1, Integer part is: $x2";

[download]

Can anybody guess what goes wrong with the first one, what goes wrong when I'm using the number 170? At least, I would expect either all results be correct or all results be wrong, but not just one be wrong.

Using int(sprintf("%.2f",$x1)) fixes the error but this is not the issue.

In reply to int() function by geoperl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.