Class: Float

Class | Float
In: | lib/core/facets/numeric/round.rb
Parent: | Object

### Methods

round_at round_to

### Public Instance methods

round_at( d )

Rounds to the given decimal position.

      4.555.round_at(0)  #=> 5.0
      4.555.round_at(1)  #=> 4.6
      4.555.round_at(2)  #=> 4.56
      4.555.round_at(3)  #=> 4.555

CREDIT: Trans

[Source]

    # File lib/core/facets/numeric/round.rb, line 50
      def round_at( d ) #d=0
        (self * (10.0 ** d)).round.to_f / (10.0 ** d)
      end

round_to( n )

Rounds to the nearest _n_th degree.

      4.555.round_to(1)     #=> 5.0
      4.555.round_to(0.1)   #=> 4.6
      4.555.round_to(0.01)  #=> 4.56
      4.555.round_to(0)     #=> 4.555

CREDIT: Trans

[Source]

    # File lib/core/facets/numeric/round.rb, line 63
      def round_to( n ) #n=1
        return self if n == 0
        (self * (1.0 / n)).round.to_f / (1.0 / n)
      end

[Validate]