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 



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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.shuffle[0,8].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

#*(mult) ⇒ Object 



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

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

#+(vars) ⇒ Object 



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

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

#-(vars) ⇒ Object 



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

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

#-@ ⇒ Object 



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

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

#<=(vars) ⇒ Object 



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

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

#==(vars) ⇒ Object 



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

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

#>=(vars) ⇒ Object 



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

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