Module: Trith::Core::Numeric::Predicates

Defined in:

lib/trith/core/numeric.rb

Overview

Instance Method Summary (collapse)

• - (Boolean) evenp(n) (also: #even?)
• - (Boolean) infp(n) (also: #inf?)
• - (Boolean) intp(obj) (also: #int?)
• - (Boolean) negp(n) (also: #neg?)
• - (Boolean) nump(obj) (also: #num?)
• - (Boolean) oddp(n) (also: #odd?)
• - (Boolean) onep(n) (also: #one?)
• - (Boolean) posp(n) (also: #pos?)
• - (Boolean) zerop(n) (also: #zero?)

90
91
92

# File 'lib/trith/core/numeric.rb', line 90

def evenp(n)
  n.even?
end

38
39
40
41
42
43
44

# File 'lib/trith/core/numeric.rb', line 38

def infp(n)
  case
    when n.respond_to?(:infinite?)
      !!n.infinite?
    else false
  end
end

30
31
32

# File 'lib/trith/core/numeric.rb', line 30

def intp(obj)
  obj.respond_to?(:integer?) && obj.integer?
end

66
67
68

# File 'lib/trith/core/numeric.rb', line 66

def negp(n)
  n < 0
end

22
23
24

# File 'lib/trith/core/numeric.rb', line 22

def nump(obj)
  obj.is_a?(Numeric)
end

82
83
84

# File 'lib/trith/core/numeric.rb', line 82

def oddp(n)
  n.odd?
end

58
59
60

# File 'lib/trith/core/numeric.rb', line 58

def onep(n)
  n == 1
end

74
75
76

# File 'lib/trith/core/numeric.rb', line 74

def posp(n)
  n > 0
end

50
51
52

# File 'lib/trith/core/numeric.rb', line 50

def zerop(n)
  n.zero?
end