Conversion between int systems

#**Methods by Narzew
#**to_is => zamiana z systemu 10 na system Y
#**from_is => zamiana z systemu Y na system 10
def self.to_byte(x)
    x.to_s.each_byte{|x|
        return x
        break
    }
end
def self.absolute_value(x)
    if x > 0
        return x
    else
        return -x
    end
end
def self.to_is(x,y)
    r = ""
    x = absolute_value(x)
    while x > 0
        r << (x%y).chr
        x = x/y
    end
    r = r.to_s.reverse
    return r
end
def self.from_is(x,y)
    x = x.to_s
    r = 0
    x.size.times{|l|
        c = l+1
        a = y**c
        r += a*(to_byte(x[-c]).to_i)
    }
    return (r/y).to_i
end
def self.to_iscl(x,y)
    r = ""
    x = absolute_value(x)
    while x > 0
        r << (((x%y)+32)%256).chr
        x = x/y
    end
    r = r.to_s.reverse
    return r
end
def self.from_iscl(x,y)
    x = x.to_s
    r = 0
    x.size.times{|l|
        c = l+1
        a = y**c
        r += a*((to_byte(x[-c]-32)%256).to_i)
    }
    return (r/y).to_i
end
def self.to_int(x,y)
    a = from_is(x,256)
    b = to_is(a,y)
    return b
end
def self.from_int(x,y)
    a = from_is(x,10)
    b = to_is(a,256)
    return b
end