Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/m500.rb

Instance Method Summary collapse

Instance Method Details

#append_K(a) ⇒ Object 



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# File 'lib/m500.rb', line 237

def append_K(a)
  a = a.to_Frac
  self.gsub!("&&&&","Fraction(Zahlen(#{a.integer.to_s}),Quotient(Zahlen(#{a.properfraction.numerator.to_s}),Zahlen(#{a.properfraction.denominator.to_s})))")
end

#is_Dec? ⇒ Boolean 



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# File 'lib/m500.rb', line 103

def is_Dec?
  t = true
  re = /(^-?[0-9]+)\\#{Decimal::decimalSeparator}([0-9]+)/
  re = /(^-?[0-9]+)\.([0-9]+)/
  md = re.match(self.to_s)
  if md.nil?
    t = false
  else
    t = false  if md[1].nil? && md[2].nil? && md[3].nil?
  end
  t
end

#is_f? ⇒ Boolean 



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# File 'lib/m500.rb', line 56

def is_f?
  t = true
  re = /(\-*\d+).(\d+)e([-|+])(\d+)/
  md =  re.match(self)
  t = false  if md[1].nil? && md[2].nil? && md[3].nil? && md[4].nil?
  t
end

#is_Frac? ⇒ Boolean 



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# File 'lib/m500.rb', line 92

def is_Frac?
  t = true
  re = /(^-?[0-9]+) ([0-9]+)\/([0-9]+)/
  md =  re.match(self)
  if md.nil?
    t = false
  else
    t = false  if md[1].nil? && md[2].nil? && md[3].nil? && md[4].nil?
  end
  t
end

#is_K? ⇒ Boolean 



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# File 'lib/m500.rb', line 223

def is_K?
  t = true
  re = /(\d+)#{Kettenbruch::Separator}(\d+)/
  md =  re.match(self)
  t = false  if md[1].nil? && md[2].nil?
  t
end

#is_K_Leicht? ⇒ Boolean 



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# File 'lib/m500.rb', line 230

def is_K_Leicht?
  t = true
  re = /(\d+)#{Kettenbruch::Separator}(\d+)/
  md =  re.match(self)
  t = false  if md[1].nil? && md[2].nil?
  t
end

#is_N0? ⇒ Boolean 



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# File 'lib/m500.rb', line 69

def is_N0?
  re = /(^[0-9]+)$/
  md = re.match(self.to_s)
  t = emptySet
  t = md[1].to_i.to_N unless md.nil?
end

#is_N? ⇒ Boolean 



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# File 'lib/m500.rb', line 63

def is_N?
  re = /(^[0-9]+)$/
  md = re.match(self.to_s)
  t = emptySet
  t = md[1].to_i.to_N unless md.nil?
end

#is_Q? ⇒ Boolean 



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# File 'lib/m500.rb', line 42

def is_Q?
  t = true
  re = /(\d+)\/(\d+)/
  md =  re.match(self)
  if md.nil? then
    t = is_Z?
  else
    t = false  if md[1].nil? && md[2].nil? && md[3].nil? && md[4].nil?
  end
  t
end

#is_R? ⇒ Boolean 



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# File 'lib/m500.rb', line 117

def is_R?
  false
end

#is_r? ⇒ Boolean 



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# File 'lib/m500.rb', line 53

def is_r?
  Rational(self).kind_of?(Rational)
end

#is_Sig? ⇒ Boolean 



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# File 'lib/m500.rb', line 115

def is_Sig?
end

#is_Z? ⇒ Boolean 



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# File 'lib/m500.rb', line 75

def is_Z?
  re = /(^-?[0-9]+)$/
  md = re.match(self.to_s)
  t = emptySet
  t = Zahlen(md[1].to_i) unless md.nil?
end

#to_Dec ⇒ Object 



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# File 'lib/m500.rb', line 150

def to_Dec
  re = /^-/
  md = re.match(self.to_s)
  e = -1    
  e = 1 if  md.to_a.empty?
  md = nil
  t0 = 0
  t1 = '0'
  t2 = nil
  t3 = nil
  re = /([0-9]+)#{Decimal::decimalSeparator}([0-9]+)\[([0-9]+)\]/
  re = /([0-9]+)\.([0-9]+)\[([0-9]+)\]/
  md = re.match(self.to_s)
  if md.to_a.empty? then
    re = /([0-9]+)#{Decimal::decimalSeparator}([0-9]+)/
    re = /([0-9]+)\.([0-9]+)/
    md = re.match(self.to_s)
    if md.to_a.empty? then
      re = /([0-9]+)#{Decimal::decimalSeparator}\[([0-9]+)\]/
      re = /([0-9]+)\.\[([0-9]+)\]/
      md = re.match(self.to_s)
      if md.to_a.empty? then
        re = /([0-9]+)/
        md = re.match(self.to_s)
        t0 = 0
        t1 = '0'
        t2 = nil
        t3 = md[1].to_i
      else
        t0 = 0
        t1 = md[2] #.to_i
        t2 = nil
        t3 = md[1].to_i
      end
    else
      t0 = md[2].scan(/^0+/)[0].length unless  md[2].scan(/^0+/).empty?
      t1 = md[3] unless md[3].nil?
      t2 = md[2].to_i
      t3 = md[1].to_i
    end
  else
    t0 = md[2].scan(/^0+/)[0].length unless  md[2].scan(/^0+/).empty?
    t1 = md[3] unless md[3].nil?
    t2 = md[2].to_i
    t3 = md[1].to_i
  end
  Decimal(t3,t2,t1,t0,e)
end

#to_Frac ⇒ Object 



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# File 'lib/m500.rb', line 198

def to_Frac
  re = /(^[0-9]+) ([0-9]+)\/([0-9]+)/
  md = re.match(self.to_s)
  t = nil
  if not  md.nil? then
    t = Fraction(Zahlen(md[1].to_i),Quotient(md[2].to_i, md[3].to_i)) 
  else
    re = /^-1\(([0-9]+) ([0-9]+)\/([0-9]+)\)/
    md = re.match(self.to_s)
    if not  md.nil? then
      t = Fraction(Zahlen(md[1].to_i),Quotient(md[2].to_i, md[3].to_i),-1) unless md.nil?
    else
      re = /(\-*[0-9]+)\/([0-9]+)/
      md = re.match(self.to_s)
      if not  md.nil? then
        t = Fraction(Quotient(Zahlen(md[1].to_i),Natural(md[2].to_i)))
      else
        t=Fraction(Quotient(self.to_i,1))
      end
    end
  end    
end

#to_K ⇒ Object 



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# File 'lib/m500.rb', line 241

def to_K
  a = self.split(";")
  int = a.at(0).to_i
  re = /'...'/
  md =  re.match(a.at(1))
  frK = eval("[" + a.at(1).gsub("...","") + "]" )
  ([int] + frK).to_K
end

#to_N ⇒ Object 



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# File 'lib/m500.rb', line 120

def to_N
  re = /(^[0-9]+)/
  md = re.match(self.to_s)
  t = emptySet
  t = md[1].to_i.to_N unless md.nil?
end

#to_N0 ⇒ Object 



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# File 'lib/m500.rb', line 126

def to_N0
  re = /(^[0-9]+)/
  md = re.match(self.to_s)
  t = emptySet
  t = md[1].to_i.to_N0 unless md.nil?
end

#to_Q ⇒ Object 



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# File 'lib/m500.rb', line 138

def to_Q
  re = /(-?[0-9]+)\/([0-9]+)/
  md = re.match(self.to_s)
  ret = emptySet
  if md then
    t = 1
    Natural(md[2].to_i).kind_of?(EmptySetClass) ? ret = infinity : ret = Quotient(Zahlen(md[1].to_i),Natural(md[2].to_i))
  else 
    Natural(md[2].to_i).kind_of?(EmptySetClass) ? ret = infinity : ret = Quotient(Zahlen(md[1].to_i),Natural(md[2].to_i))
  end
  ret
end

#to_Sig ⇒ Object 



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# File 'lib/m500.rb', line 249

def to_Sig
end

#to_ST ⇒ Object 



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# File 'lib/m500.rb', line 220

def to_ST
  ST.new(self)
end

#to_Z ⇒ Object 



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# File 'lib/m500.rb', line 132

def to_Z
  re = /(^-?[0-9]+)/
  md = re.match(self.to_s)
  t = emptySet
  t = Zahlen(md[1].to_i) unless md.nil?
end