Thread: Printf float printing

  1. #1
    Registered User
    Join Date
    Dec 2007

    Printf float printing

    Is it possible to make printf print float values like 5.301 and 2.01 without printing extra zeros on the end?


  2. #2
    Hurry Slowly vart's Avatar
    Join Date
    Oct 2006
    Rishon LeZion, Israel
    What's wrong with %f? it does not print zeroes at the end.

    Be more specific what you want to get
    All problems in computer science can be solved by another level of indirection,
    except for the problem of too many layers of indirection.
    David J. Wheeler

  3. #3
    Registered User
    Join Date
    Dec 2007
    printf( "%.2f", .650 );

    will print .65 substitute the 2 with 3 or however many digits you want. Keep in mind that it will always be that many digits.


    printf( "%.2f", .656 );

    will print .66

    Not sure if there's a way to make it expand.

    //The OPs statement does print zeros on my machine.
    glibc version 2.6.1
    Last edited by krock923; 12-08-2007 at 12:42 AM.

  4. #4
    Join Date
    Oct 2007
    Inside my computer
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

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