Sha256: c7413c7b5b558a6e51f2761e8bac29da3e72fdd7efd39f3d11e66d6ea1e8ff17
Contents?: true
Size: 604 Bytes
Versions: 21
Compression:
Stored size: 604 Bytes
Contents
class Numeric
# Determines if another number is approximately equal
# within a given _n_th degree. Defaults to 100ths
# if the degree is not specified.
def approx?( x, n=0.01 )
return(self == x) if n == 0
(self - x).abs <= n
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCFloat < Test::Unit::TestCase
def test_approx?
f = 10.006
assert( f.approx?(10.01) )
assert( f.approx?(10, 0.1) )
assert( 100.4.approx?(100.6, 1) )
end
end
=end
Version data entries
21 entries across 21 versions & 1 rubygems