Class: Ilp::Var

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-cbc/ilp/var.rb

Constant Summary collapse

BINARY_KIND = 
:binary
INTEGER_KIND = 
:integer
CONTINUOUS_KIND = 
:continuous

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name: nil, kind: INTEGER_KIND, lower_bound: nil, upper_bound: nil) ⇒ Var

Returns a new instance of Var.



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# File 'lib/ruby-cbc/ilp/var.rb', line 9

def initialize(name: nil, kind: INTEGER_KIND, lower_bound: nil, upper_bound: nil)
  @kind = kind
  @name = name
  @name = ("a".."z").to_a.sample(8).join if name.nil?
  @lower_bound = lower_bound
  @upper_bound = upper_bound
end

Instance Attribute Details

#kind ⇒ Object

Returns the value of attribute kind.



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# File 'lib/ruby-cbc/ilp/var.rb', line 3

def kind
  @kind
end

#lower_bound ⇒ Object

Returns the value of attribute lower_bound.



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# File 'lib/ruby-cbc/ilp/var.rb', line 3

def lower_bound
  @lower_bound
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ruby-cbc/ilp/var.rb', line 3

def name
  @name
end

#upper_bound ⇒ Object

Returns the value of attribute upper_bound.



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# File 'lib/ruby-cbc/ilp/var.rb', line 3

def upper_bound
  @upper_bound
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 38

def *(other)
  Ilp::Term.new(self) * other
end

#+(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 26

def +(other)
  Ilp::Term.new(self) + other
end

#-(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 30

def -(other)
  Ilp::Term.new(self) - other
end

#-@ ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 34

def -@
  Ilp::Term.new(self, -1)
end

#<=(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 46

def <=(other)
  Ilp::Term.new(self) <= other
end

#==(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 42

def ==(other)
  Ilp::Term.new(self) == other
end

#>=(other) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 50

def >=(other)
  Ilp::Term.new(self) >= other
end

#bounds ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 22

def bounds
  @lower_bound..@upper_bound
end

#bounds=(range) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 17

def bounds=(range)
  @lower_bound = range.min
  @upper_bound = range.max
end

#coerce(num) ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 54

def coerce(num)
  [Ilp::Term.new(self), num]
end

#to_s ⇒ Object 



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# File 'lib/ruby-cbc/ilp/var.rb', line 58

def to_s
  name.to_s
end