Class: Basic101::BasicNumeric

Inherits:
BasicObject
Includes:
BasicComparisons, BasicMath, Comparable
Defined in:
lib/basic101/basic_numeric.rb

Direct Known Subclasses

BasicFloat, BasicInteger

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from BasicMath

basic_math_op

Methods included from BasicComparisons

comparison_op

Methods inherited from BasicObject

#eval, #to_float, #to_integer, #to_string, type_name, #type_name

Constructor Details

#initialize(value) ⇒ BasicNumeric

Returns a new instance of BasicNumeric.



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# File 'lib/basic101/basic_numeric.rb', line 17

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/basic101/basic_numeric.rb', line 15

def value
  @value
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 21

def <=>(other)
  return nil unless other.is_a?(BasicNumeric)
  value <=> other.value
end

#abs ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 64

def abs
  self.class.new(@value.abs)
end

#cos ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 88

def cos
  BasicFloat.new(Math.cos(@value))
end

#exp ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 72

def exp
  BasicFloat.new(Math::E ** @value).simplest
end

#log ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 80

def log
  BasicFloat.new(Math.log(@value))
end

#negate ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 50

def negate
  self.class.new(-value)
end

#print_new_line(output) ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 60

def print_new_line(output)
  output.print "\n"
end

#print_string(output) ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 54

def print_string(output)
  s = format + ' '
  s = ' ' + s unless s =~ /^-/
  output.print s
end

#sgn ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 76

def sgn 
  BasicInteger.new(@value <=> 0)
end

#simplest ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 42

def simplest
  if @value.modulo(1) == 0
    to_integer
  else
    self
  end
end

#sin ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 84

def sin
  BasicFloat.new(Math.sin(@value))
end

#sqr ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 68

def sqr
  BasicFloat.new(@value ** 0.5).simplest
end

#tan ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 92

def tan
  BasicFloat.new(Math.tan(@value))
end

#to_b ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 38

def to_b
  to_i != 0
end

#to_f ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 34

def to_f
  @value.to_f
end

#to_i ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 30

def to_i
  @value.to_i
end

#to_numeric ⇒ Object 



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# File 'lib/basic101/basic_numeric.rb', line 26

def to_numeric
  self
end