num

    0.3.0 • Public • Published

    Build Status

    num is an arbitrary size fixed precision library written in javascript for node.js and browsers

    Looking for just integers? Check out int

    npm install num
    
    var num = require('num');
     
    // ordinary js floating point math
    console.log(0.1 + 0.2); // 0.30000000000000004 :(
     
    // with `num`
    console.log(num(0.1).add(0.2).toString()); //'0.3'

    api

    Besides the num function, all of the other methods operate on the objects returned by num

    num (value)

    construct a new decimal

    valid values are integers, numbers, or strings

    add (value)

    add {value} to our number and return a new num

    sub (value)

    subtract {value} from our number and return a new num

    mul (value)

    multiply our num by {value} and return a new num

    div (value)

    divide our num by {value} and return a new num

    // note that `div` uses the precision of the numerator
    num('1').div('3.0') -> 0
    num('1.0').div('3') -> 0.3
    

    neg

    return a new num that is the negative

    abs

    return new num that is the absolute value

    abs

    return a new num that is the absolute value

    cmp (value)

    compare our value to {value}

    return 0 if self and value are equal, -1 if self < value, 1 if self > value

    lt (value)

    return true if self < value

    lte (value)

    return true if self <= value

    gt (value)

    return true if self > value

    gte (value)

    return true if self >= value

    eq (value)

    return true if self == value

    ne (value)

    return true if self != value

    set_precision (precision)

    set the precision for the number. Can be used to alter how many places after the decimal are relevant.

    return self

    Install

    npm i num

    DownloadsWeekly Downloads

    177

    Version

    0.3.0

    License

    none

    Last publish

    Collaborators

    • defunctzombie