class Fraccion

Attributes

d[RW]
n[RW]

Public Class Methods

new(n,d) click to toggle source 
# File lib/matrixfamily/fraccion.rb, line 7
def initialize(n,d)
  @n, @d = n, d
end

Public Instance Methods

*(other) click to toggle source

metodo multiplicacion de dos fracciones

# File lib/matrixfamily/fraccion.rb, line 74
def *(other)
    @fraccion = Fraccion.new((@n*other.n),@d*other.d)
    reducir(@fraccion)
end
+(other) click to toggle source

metodo de suma de dos fracciones

# File lib/matrixfamily/fraccion.rb, line 86
def +(other)
    mcm = (@d * other.d)/gcd(@d, other.d)
    @fraccion = Fraccion.new(((mcm/@d*@n) + (mcm/other.d*other.n)),mcm)
    reducir(@fraccion)
end
-(other) click to toggle source

metodo de resta de dos fracciones

# File lib/matrixfamily/fraccion.rb, line 93
def -(other)
    mcm = (@d * other.d)/gcd(@d, other.d)
    @fraccion = Fraccion.new(((mcm/@d*@n) - (mcm/other.d*other.n)),mcm)
    reducir(@fraccion)
end
/(other) click to toggle source

metodo de division de dos fracciones

# File lib/matrixfamily/fraccion.rb, line 80
def /(other)
    @fraccion = Fraccion.new((@n*other.d),@d*other.n)
    reducir(@fraccion)
end
<=>(other) click to toggle source

método necesario con la librería Comparable

# File lib/matrixfamily/fraccion.rb, line 100
def <=>(other)
    mcm = (@d * other.d)/gcd(@d, other.d)
    a = (mcm/@d*@n)
    b = (mcm/other.d*other.n)

    if a < b
       -1
    elsif a > b
       1
    else
       0
    end
 end
==(other) click to toggle source

metodo == –> para comparar 2 fracciones

# File lib/matrixfamily/fraccion.rb, line 46
def ==(other)
  if @n==other.n && @d==other.d then
    true
  else
    false
  end
end
abs() click to toggle source

metodo abs –> Valor absoluto

# File lib/matrixfamily/fraccion.rb, line 55
def abs
  #Si el numerador es menor que 0, le quitamos lo negativo multiplicando por -1
  if @n < 0 then
    @n = @n * -1
  end
  #Si el denominador es menor que 0, le quitamos lo negativo multiplicando por -1
  if @d < 0 then
    @d = @d * -1
  end
end
coerce(other) click to toggle source

definicion del metodo coerce para racional

# File lib/matrixfamily/fraccion.rb, line 115
def coerce(other)
    if Integer === other
        [Fraccion.new(other,1), self]
    end
end
denom() click to toggle source

metodo denom

# File lib/matrixfamily/fraccion.rb, line 23
def denom
  @d
end
flotante() click to toggle source

metodo flotante

# File lib/matrixfamily/fraccion.rb, line 41
def flotante
  @n.to_f/@d.to_f #conversion de tipo a flotante mediante to_f
end
gcd(u, v) click to toggle source 
# File lib/matrixfamily/fraccion.rb, line 32
def gcd(u, v)
  u, v = u.abs, v.abs
  while v != 0
    u, v = v, u % v
  end
  u
end
num() click to toggle source

metodo num

# File lib/matrixfamily/fraccion.rb, line 18
def num
  @n
end
reciprocal() click to toggle source

metodo reciprocal –> invertir numerador por denominador y viceversa

# File lib/matrixfamily/fraccion.rb, line 67
def reciprocal
  x = @n
  @n = @d
  @d = x
end
reducir(frac) click to toggle source

metodo reducir

# File lib/matrixfamily/fraccion.rb, line 12
def reducir(frac)
  mcd = gcd(frac.n,frac.d)
  fraccion = Fraccion.new((frac.n/mcd),frac.d/mcd)
end
to_s() click to toggle source

metodo string

# File lib/matrixfamily/fraccion.rb, line 28
def to_s
  "#{@n}/#{@d}"
end