class Integer
# See Float#round_at. def round_at(*args) to_f.round_at(*args) end # See Float#round_to. def round_to(*args) to_f.round_to(*args) end
end
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
# File lib/facets/numeric/round.rb, line 50 def round_at( d ) #d=0 (self * (10.0 ** d)).round.to_f / (10.0 ** d) end
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
# File lib/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
Generated with the Darkfish Rdoc Generator 2.