mazze.js/Src/Math/perimeter.js

next gen javascript math library!

require('colors')

const errHandler = require('../Utils/errHandler')

module.exports = {
    circumference: function(r) {
        if(!r) return errHandler.new("circumference" , "r" , "7")
        if(!Number.isInteger(r)) return errHandler.invalid("Make sure (r) is a integer.")
        let ans = 2 * (22/7)* (+r)
        return ans.toFixed(4)
    },
    triPeri: function(a , b , c) {
        if(!a) return errHandler.new("triPeri" , "a" , "2 , 3, 4")
        if(!b) return errHandler.new("triPeri" , "b" , "2 , 3, 4")
        if(!c) return errHandler.new("triPeri" , "c" , "2 , 3, 4")
        if(!Number.isInteger(a)) return errHandler.invalid("Make sure (a) is a integer.")
        if(!Number.isInteger(b)) return errHandler.invalid("Make sure (b) is a integer.")
        if(!Number.isInteger(c)) return errHandler.invalid("Make sure (c) is a integer.")
        let ans = +a + +b + +c
        return ans
    },
    rectPeri: function(l , b) {
        if(!l) return errHandler.new("rectPeri" , "l" , "2 , 3")
        if(!b) return errHandler.new("rectPeri" , "b" , "2 , 3")
        if(!Number.isInteger(l)) return errHandler.invalid("Make sure (l) is a integer.")
        if(!Number.isInteger(b)) return errHandler.invalid("Make sure (b) is a integer.")
        let ans = +2 * (+l + +b)
        return ans
    },
    sqPeri: function(a){
        if(!a) return errHandler.new("sqPeri" , "a" , "2")
        if(!Number.isInteger(a)) return errHandler.invalid("Make sure (a) is a integer.")
        let ans = +4 * +a
        return ans
    }
}