Class: Keisan::AST::Number
Instance Attribute Summary collapse
Instance Method Summary
collapse
#==, #evaluate, #to_s
Methods inherited from Node
#!, #and, #coerce, #contains_a?, #deep_dup, #differentiated, #evaluate, #evaluate_assignments, #evaluated, #false?, #or, #replace, #replaced, #simplified, #to_cell, #to_node, #traverse, #true?, #unbound_functions, #unbound_variables, #well_defined?
Constructor Details
#initialize(number) ⇒ Number
Returns a new instance of Number.
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# File 'lib/keisan/ast/number.rb', line 6
def initialize(number)
@number = number
case @number
when Rational
@number = @number.numerator if @number.denominator == 1
end
end
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Instance Attribute Details
#number ⇒ Object
Returns the value of attribute number.
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# File 'lib/keisan/ast/number.rb', line 4
def number
@number
end
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Instance Method Details
#%(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 75
def %(other)
other = other.to_node
case other
when Number
Number.new(value % other.value)
else
super
end
end
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#&(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 85
def &(other)
other = other.to_node
case other
when Number
Number.new(value & other.value)
else
super
end
end
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#*(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 45
def *(other)
other = other.to_node
case other
when Number
Number.new(value * other.value)
else
super
end
end
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#**(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 65
def **(other)
other = other.to_node
case other
when Number
Number.new(value ** other.value)
else
super
end
end
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#+(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 27
def +(other)
other = other.to_node
case other
when Number
Number.new(value + other.value)
when Date
Date.new(other.value + value)
when Time
Time.new(other.value + value)
else
super
end
end
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#+@ ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 23
def +@
Number.new(value)
end
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#-(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 41
def -(other)
self + (-other.to_node)
end
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#-@ ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 19
def -@
Number.new(-value)
end
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#/(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 55
def /(other)
other = other.to_node
case other
when Number
Number.new(Rational(value, other.value))
else
super
end
end
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#<(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 159
def <(other)
other = other.to_node
case other
when Number
Boolean.new(value < other.value)
else
super
end
end
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#<<(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 119
def <<(other)
other = other.to_node
case other
when Number
Number.new(value << other.value)
else
super
end
end
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#<=(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 169
def <=(other)
other = other.to_node
case other
when Number
Boolean.new(value <= other.value)
else
super
end
end
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#>(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 139
def >(other)
other = other.to_node
case other
when Number
Boolean.new(value > other.value)
else
super
end
end
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#>=(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 149
def >=(other)
other = other.to_node
case other
when Number
Boolean.new(value >= other.value)
else
super
end
end
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#>>(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 129
def >>(other)
other = other.to_node
case other
when Number
Number.new(value >> other.value)
else
super
end
end
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#^(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 99
def ^(other)
other = other.to_node
case other
when Number
Number.new(value ^ other.value)
else
super
end
end
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#differentiate(variable, context = nil) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 210
def differentiate(variable, context = nil)
0.to_node
end
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#equal(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 179
def equal(other)
other = other.to_node
case other
when Number
Boolean.new(value == other.value)
else
super
end
end
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#not_equal(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 189
def not_equal(other)
other = other.to_node
case other
when Number
Boolean.new(value != other.value)
else
super
end
end
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#simplify(context = nil) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 199
def simplify(context = nil)
case number
when Rational
if number.denominator == 1
@number = number.numerator
end
end
self
end
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#value(context = nil) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 15
def value(context = nil)
number
end
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#|(other) ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 109
def |(other)
other = other.to_node
case other
when Number
Number.new(value | other.value)
else
super
end
end
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#~ ⇒ Object
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# File 'lib/keisan/ast/number.rb', line 95
def ~
Number.new(~value)
end
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