Class: Code::Object::Decimal

Inherits:
Number show all
Defined in:
lib/code/object/decimal.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Code::Object

#<=>, #==, call, #code_and_operator, code_and_operator, #code_different, code_different, code_equal_equal, #code_equal_equal, #code_equal_equal_equal, code_equal_equal_equal, code_exclamation_point, #code_exclamation_point, code_exclusive_range, #code_exclusive_range, code_inclusive_range, #code_inclusive_range, code_or_operator, #code_or_operator, code_self, #code_self, code_to_string, #falsy?, falsy?, hash, #hash, maybe, multi_fetch, #multi_fetch, repeat, #sig, sig, to_s, truthy?, #truthy?, |

Constructor Details

#initialize(decimal, exponent: nil) ⇒ Decimal

Returns a new instance of Decimal.



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# File 'lib/code/object/decimal.rb', line 8

def initialize(decimal, exponent: nil)
  @raw = BigDecimal(decimal)

  return unless exponent
  unless exponent.is_a?(Number)
    raise ::Code::Error::TypeError, "exponent is not a number"
  end

  @raw *= 10**exponent.raw
end

Instance Attribute Details

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/code/object/decimal.rb', line 6

def raw
  @raw
end

Class Method Details

.name ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 19

def self.name
  "Decimal"
end

Instance Method Details

#call(**args) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 23

def call(**args)
  operator = args.fetch(:operator, nil)
  arguments = args.fetch(:arguments, [])
  value = arguments.first&.value

  case operator.to_s
  when "%", "modulo"
    sig(args) { Number }
    code_modulo(value)
  when "&", "bitwise_and"
    sig(args) { Number }
    code_bitwise_and(value)
  when "*", "multiplication"
    sig(args) { Number }
    code_multiplication(value)
  when "**", "power"
    sig(args) { Number }
    code_power(value)
  when "+", "plus"
    sig(args) { Object.maybe }
    value ? code_plus(value) : self
  when "-", "minus"
    sig(args) { Number.maybe }
    value ? code_minus(value) : code_unary_minus
  when "/", "division"
    sig(args) { Number }
    code_division(value)
  when "<", "inferior"
    sig(args) { Number }
    code_inferior(value)
  when "<<", "left_shift"
    sig(args) { Number }
    code_left_shift(value)
  when "<=", "inferior_or_equal"
    sig(args) { Number }
    code_inferior_or_equal(value)
  when "<=>", "compare"
    sig(args) { Number }
    code_compare(value)
  when ">", "superior"
    sig(args) { Number }
    code_superior(value)
  when ">=", "superior_or_equal"
    sig(args) { Number }
    code_superior_or_equal(value)
  when ">>", "right_shift"
    sig(args) { Number }
    code_right_shift(value)
  when "^", "bitwise_xor"
    sig(args) { Number }
    code_bitwise_xor(value)
  when "abs"
    sig(args)
    code_abs
  when "ceil"
    sig(args) { Integer.maybe }
    code_ceil(value)
  when "clone"
    sig(args)
    code_clone
  when "eight?"
    sig(args)
    code_eight?
  when "five?"
    sig(args)
    code_five?
  when "floor"
    sig(args) { Integer.maybe }
    code_floor(value)
  when "four?"
    sig(args)
    code_four?
  when "nine?"
    sig(args)
    code_nine?
  when "one?"
    sig(args)
    code_one?
  when "round"
    sig(args) { Integer.maybe }
    code_round(value)
  when "seven?"
    sig(args)
    code_seven?
  when "six?"
    sig(args)
    code_six?
  when "sqrt"
    sig(args)
    code_sqrt
  when "ten?"
    sig(args)
    code_ten?
  when "three?"
    sig(args)
    code_three?
  when "to_decimal"
    sig(args)
    code_to_decimal
  when "to_integer"
    sig(args)
    code_to_integer
  when "to_string"
    sig(args)
    code_to_string
  when "truncate"
    sig(args) { Integer.maybe }
    code_truncate(value)
  when "two?"
    sig(args)
    code_two?
  when "zero?"
    sig(args)
    code_zero?
  when "|", "bitwise_or"
    sig(args) { Number }
    code_bitwise_or(value)
  else
    super
  end
end

#code_abs ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 145

def code_abs
  Decimal.new(raw.abs)
end

#code_bitwise_and(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 149

def code_bitwise_and(other)
  Integer.new(raw.to_i & other.raw.to_i)
end

#code_bitwise_or(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 153

def code_bitwise_or(other)
  Integer.new(raw.to_i | other.raw.to_i)
end

#code_bitwise_xor(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 157

def code_bitwise_xor(other)
  Integer.new(raw.to_i ^ other.raw.to_i)
end

#code_ceil(n = nil) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 161

def code_ceil(n = nil)
  n ||= Integer.new(0)
  Decimal.new(raw.ceil(n.raw))
end

#code_clone ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 166

def code_clone
  Decimal.new(raw)
end

#code_compare(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 170

def code_compare(other)
  Integer.new(raw <=> other.raw)
end

#code_division(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 174

def code_division(other)
  Decimal.new(raw / other.raw)
end

#code_eight? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 178

def code_eight?
  Boolean.new(raw == 8)
end

#code_five? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 182

def code_five?
  Boolean.new(raw == 5)
end

#code_floor(n = nil) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 186

def code_floor(n = nil)
  n ||= Integer.new(0)
  Decimal.new(raw.floor(n.raw))
end

#code_four? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 191

def code_four?
  Boolean.new(raw == 4)
end

#code_inferior(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 195

def code_inferior(other)
  Boolean.new(raw < other.raw)
end

#code_inferior_or_equal(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 199

def code_inferior_or_equal(other)
  Boolean.new(raw <= other.raw)
end

#code_left_shift(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 203

def code_left_shift(other)
  Integer.new(raw.to_i << other.raw.to_i)
end

#code_minus(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 207

def code_minus(other)
  Decimal.new(raw - other.raw)
end

#code_modulo(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 211

def code_modulo(other)
  Decimal.new(raw % other.raw)
end

#code_multiplication(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 215

def code_multiplication(other)
  Decimal.new(raw * other.raw)
end

#code_nine? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 219

def code_nine?
  Boolean.new(raw == 9)
end

#code_one? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 223

def code_one?
  Boolean.new(raw == 1)
end

#code_plus(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 227

def code_plus(other)
  if other.is_a?(Number)
    Decimal.new(raw + other.raw)
  else
    String.new(to_s + other.to_s)
  end
end

#code_power(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 235

def code_power(other)
  Decimal.new(raw**other.raw)
end

#code_right_shift(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 239

def code_right_shift(other)
  Integer.new(raw.to_i >> other.raw.to_i)
end

#code_round(n = nil) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 243

def code_round(n = nil)
  n ||= Integer.new(0)
  Decimal.new(raw.round(n.raw))
end

#code_seven? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 248

def code_seven?
  Boolean.new(raw == 7)
end

#code_six? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 252

def code_six?
  Boolean.new(raw == 6)
end

#code_sqrt ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 256

def code_sqrt
  Decimal.new(Math.sqrt(raw).to_s)
end

#code_superior(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 260

def code_superior(other)
  Boolean.new(raw > other.raw)
end

#code_superior_or_equal(other) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 264

def code_superior_or_equal(other)
  Boolean.new(raw >= other.raw)
end

#code_ten? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 268

def code_ten?
  Boolean.new(raw == 10)
end

#code_three? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 272

def code_three?
  Boolean.new(raw == 3)
end

#code_to_decimal ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 276

def code_to_decimal
  Decimal.new(raw)
end

#code_to_integer ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 280

def code_to_integer
  Integer.new(raw.to_i)
end

#code_to_string ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 284

def code_to_string
  String.new(raw.to_s("F"))
end

#code_truncate(n = nil) ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 288

def code_truncate(n = nil)
  n ||= Integer.new(0)
  Decimal.new(raw.truncate(n.raw))
end

#code_two? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 293

def code_two?
  Boolean.new(raw == 2)
end

#code_unary_minus ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 297

def code_unary_minus
  Decimal.new(-raw)
end

#code_zero? ⇒ Boolean

Returns:



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# File 'lib/code/object/decimal.rb', line 301

def code_zero?
  Boolean.new(raw.zero?)
end

#inspect ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 305

def inspect
  to_s
end

#to_s ⇒ Object 



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# File 'lib/code/object/decimal.rb', line 309

def to_s
  raw.to_s("F")
end