Beefy Boxes and Bandwidth Generously Provided by pair Networks
more useful options
 
PerlMonks  

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??

Does he have log and exp available?

print exp( log( 100 ) *.5 );; 10 print exp( log( 1000 ) *.3333333333333333333333 );; 10

Ie.

sub pow{ exp( log( $_[0] ) * $_[1] ) };; printf "%2d : %20.17f\n", $_, pow( 10**$_, 1/$_ ) for 1 .. 20;; 1 : 10.00000000000000200 2 : 10.00000000000000200 3 : 9.99999999999999820 4 : 10.00000000000000200 5 : 10.00000000000000200 6 : 9.99999999999999820 7 : 9.99999999999999820 8 : 10.00000000000000200 9 : 9.99999999999999820 10 : 10.00000000000000200 11 : 10.00000000000000200 12 : 9.99999999999999820 13 : 10.00000000000000200 14 : 9.99999999999999820 15 : 9.99999999999999820 16 : 10.00000000000000200 17 : 10.00000000000000200 18 : 9.99999999999999820 19 : 10.00000000000000200 20 : 10.00000000000000200 printf "%2d : %20.17f\n", $_, pow( 12345**$_, 1/$_ ) for 1 .. 20;; 1 : 12345.00000000000500000 2 : 12345.00000000000500000 3 : 12345.00000000000500000 4 : 12345.00000000000500000 5 : 12345.00000000000500000 6 : 12345.00000000000500000 7 : 12345.00000000000500000 8 : 12345.00000000000500000 9 : 12345.00000000000500000 10 : 12345.00000000000500000 11 : 12345.00000000000500000 12 : 12345.00000000000500000 13 : 12345.00000000000500000 14 : 12345.00000000000500000 15 : 12344.99999999998400000 16 : 12345.00000000000500000 17 : 12344.99999999998400000 18 : 12345.00000000000500000 19 : 12344.99999999998400000 20 : 12345.00000000000500000

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: [OT] Function to do x**y for |y|<1 w/o ** operator. by BrowserUk
in thread [OT] Function to do x**y for |y|<1 w/o ** operator. by swampyankee

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!
  • 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, 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, 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.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others perusing the Monastery: (13)
    As of 2015-07-07 15:28 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









      Results (90 votes), past polls