Class: String

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

Instance Method Summary collapse

Instance Method Details

#append_K(a) ⇒ Object 



193
194
195
196
197
 
# File 'lib/m500.rb', line 193

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

Returns:

  • (Boolean) 


60
61
62
63
64
65
66
 
# File 'lib/m500.rb', line 60

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

#is_f? ⇒ Boolean

Returns:

  • (Boolean) 


39
40
41
42
43
44
45
 
# File 'lib/m500.rb', line 39

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

Returns:

  • (Boolean) 


46
47
48
49
50
51
52
 
# File 'lib/m500.rb', line 46

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

#is_K? ⇒ Boolean

Returns:

  • (Boolean) 


179
180
181
182
183
184
185
 
# File 'lib/m500.rb', line 179

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

Returns:

  • (Boolean) 


186
187
188
189
190
191
192
 
# File 'lib/m500.rb', line 186

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_Q? ⇒ Boolean

Returns:

  • (Boolean) 


53
54
55
56
57
58
59
 
# File 'lib/m500.rb', line 53

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

#is_R? ⇒ Boolean

Returns:

  • (Boolean) 


69
70
71
 
# File 'lib/m500.rb', line 69

def is_R?
  false
end

#is_Sig? ⇒ Boolean

Returns:

  • (Boolean) 


67
68
 
# File 'lib/m500.rb', line 67

def is_Sig?
end

#to_Dec ⇒ Object 



134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
 
# File 'lib/m500.rb', line 134

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 = /(\d+)\.(\d+)\[(\d+)\]/
  md = re.match(self.to_s)
  if md.to_a.empty? then
    re = /(\d+)\.(\d+)/
    md = re.match(self.to_s)
    if md.to_a.empty? then
      re = /(\d+)\.\[(\d+)\]/
      md = re.match(self.to_s)
      if md.to_a.empty? then
        re = /(\d+)/
        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 



97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/m500.rb', line 97

def to_Frac
  re = /(^\d+) (\d+)\/(\d+)/
  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\((\d+) (\d+)\/(\d+)\)/
    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 = /(\-*\d+)\/(\d+)/
      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 



198
199
200
201
202
203
204
205
 
# File 'lib/m500.rb', line 198

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 



72
73
74
75
76
77
 
# File 'lib/m500.rb', line 72

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

#to_N0 ⇒ Object 



91
92
93
94
95
96
 
# File 'lib/m500.rb', line 91

def to_N0
  re = /(\d+)/
  md = re.match(self.to_s)
  t = emptySet
  t = Counting(md[1].to_i) unless md.nil?
end

#to_Q ⇒ Object 



119
120
121
122
123
124
125
126
127
128
129
130
 
# File 'lib/m500.rb', line 119

def to_Q
  re = /(\-*\d+)\/(\d+)/
  md = re.match(self.to_s)
  ret = naught
  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_R ⇒ Object 



208
209
210
 
# File 'lib/m500.rb', line 208

def to_R
  self.to_i
end

#to_Sig ⇒ Object 



206
207
 
# File 'lib/m500.rb', line 206

def to_Sig
end

#to_ST ⇒ Object 



131
132
133
 
# File 'lib/m500.rb', line 131

def to_ST
  ST.new(self)
end

#to_Z ⇒ Object 



78
79
80
81
82
83
84
85
86
87
88
89
90
 
# File 'lib/m500.rb', line 78

def to_Z
  re = /(^\d+)/
  md = re.match(self.to_s)
  t = emptySet
  if not  md.nil? then
    t = Zahlen(md[1].to_i)
  else
    re = /(^-\d+)/
    md = re.match(self.to_s)
    t = Zahlen((md[1].to_i)) unless md.nil?
  end
  t
end