Module: NumericHelper

Included in:
Numeric
Defined in:
lib/rubyhelper/numeric.rb

Instance Method Summary collapse

Instance Method Details

#max(maximum_value) ⇒ Numeric

Get the self value or maximum_value if lesser than self

Returns:

  • (Numeric) —

    self if self <= max else max

Raises:

  • (ArgumentError) —

    if the passed value is not an integer



35
36
37
38
 
# File 'lib/rubyhelper/numeric.rb', line 35

def max(maximum_value)
  raise ArgumentError unless maximum_value.is_a? Numeric
  return self <= maximum_value ? self : maximum_value
end

#max!(maximum_value) ⇒ Numeric

see #max

Returns:



43
44
45
 
# File 'lib/rubyhelper/numeric.rb', line 43

def max!(maximum_value)
  return self.replace(self.min(maximum_value))
end

#min(minimum_value) ⇒ Numeric

Get the self value or minimum_value if greater than self

Returns:

  • (Numeric) —

    self if self >= min else min

Raises:

  • (ArgumentError) —

    if the passed value is not an integer



19
20
21
22
 
# File 'lib/rubyhelper/numeric.rb', line 19

def min(minimum_value)
  raise ArgumentError unless minimum_value.is_a? Numeric
  return self >= minimum_value ? self : minimum_value
end

#min!(minimum_value) ⇒ Numeric

see #min

Returns:



27
28
29
 
# File 'lib/rubyhelper/numeric.rb', line 27

def min!(minimum_value)
  return self.replace(self.min(minimum_value))
end

#odd? ⇒ true or false

return true if odd you can see also #peer?

Returns:

  • (true or false) 


59
60
61
 
# File 'lib/rubyhelper/numeric.rb', line 59

def odd?
  not peer?
end

#peer? ⇒ true or false

return true if peer you can see also #odd?

Returns:

  • (true or false) 


51
52
53
 
# File 'lib/rubyhelper/numeric.rb', line 51

def peer?
  return (self % 2).zero? ? true : false
end

#sign(plus = "+", less = "-") ⇒ Object

get - or + function of the sign of the integer

Parameters:

  • plus (Object) (defaults to: "+") —

    a value if self >= 0

  • less (Object) (defaults to: "-") —

    a value if self < 0

Returns:

  • (Object) —

    the param plus or less if self >= 0 or < 0



11
12
13
 
# File 'lib/rubyhelper/numeric.rb', line 11

def sign(plus="+", less="-")
  return (self < 0) ? (less) : (plus)
end