Class: Numeric

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
opal/opal/corelib/numeric.rb

Direct Known Subclasses

Float, Integer

Instance Method Summary collapse

Methods included from Comparable

#between?, normalize

Instance Method Details

#%(other) ⇒ Object Also known as: modulo 



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# File 'opal/opal/corelib/numeric.rb', line 86

def %(other)
  %x{
    if (other._isNumber) {
      if (other < 0 || self < 0) {
        return (self % other + other) % other;
      }
      else {
        return self % other;
      }
    }
    else {
      return #{send_coerced :%, other};
    }
  }
end

#&(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 102

def &(other)
  %x{
    if (other._isNumber) {
      return self & other;
    }
    else {
      return #{send_coerced :&, other};
    }
  }
end

#*(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 64

def *(other)
  %x{
    if (other._isNumber) {
      return self * other;
    }
    else {
      return #{send_coerced :*, other};
    }
  }
end

#**(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 212

def **(other)
  %x{
    if (other._isNumber) {
      return Math.pow(self, other);
    }
    else {
      return #{send_coerced :**, other};
    }
  }
end

#+(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 42

def +(other)
  %x{
    if (other._isNumber) {
      return self + other;
    }
    else {
      return #{send_coerced :+, other};
    }
  }
end

#+@ ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 200

def +@
  `+self`
end

#-(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 53

def -(other)
  %x{
    if (other._isNumber) {
      return self - other;
    }
    else {
      return #{send_coerced :-, other};
    }
  }
end

#-@ ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 204

def -@
  `-self`
end

#/(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 75

def /(other)
  %x{
    if (other._isNumber) {
      return self / other;
    }
    else {
      return #{send_coerced :/, other};
    }
  }
end

#<(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 135

def <(other)
  %x{
    if (other._isNumber) {
      return self < other;
    }
    else {
      return #{send_coerced :<, other};
    }
  }
end

#<<(count) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 192

def <<(count)
  `self << #{count.to_int}`
end

#<=(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 146

def <=(other)
  %x{
    if (other._isNumber) {
      return self <= other;
    }
    else {
      return #{send_coerced :<=, other};
    }
  }
end

#<=>(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 179

def <=>(other)
  %x{
    if (other._isNumber) {
      return self > other ? 1 : (self < other ? -1 : 0);
    }
    else {
      return #{send_coerced :<=>, other};
    }
  }
rescue ArgumentError
  nil
end

#==(other) ⇒ Object Also known as: eql?, equal? 



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# File 'opal/opal/corelib/numeric.rb', line 223

def ==(other)
  %x{
    if (other._isNumber) {
      return self == Number(other);
    }
    else if (#{other.respond_to? :==}) {
      return #{other == self};
    }
    else {
      return false;
    }
  }
end

#>(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 157

def >(other)
  %x{
    if (other._isNumber) {
      return self > other;
    }
    else {
      return #{send_coerced :>, other};
    }
  }
end

#>=(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 168

def >=(other)
  %x{
    if (other._isNumber) {
      return self >= other;
    }
    else {
      return #{send_coerced :>=, other};
    }
  }
end

#>>(count) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 196

def >>(count)
  `self >> #{count.to_int}`
end

#^(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 124

def ^(other)
  %x{
    if (other._isNumber) {
      return self ^ other;
    }
    else {
      return #{send_coerced :^, other};
    }
  }
end

#abs ⇒ Object Also known as: magnitude 



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# File 'opal/opal/corelib/numeric.rb', line 237

def abs
  `Math.abs(self)`
end

#ceil ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 241

def ceil
  `Math.ceil(self)`
end

#chr ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 245

def chr
  `String.fromCharCode(self)`
end

#coerce(other, type = :operation) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 10

def coerce(other, type = :operation)
  %x{
    if (other._isNumber) {
      return [self, other];
    }
    else {
      return #{other.coerce(self)};
    }
  }
rescue
  case type
  when :operation
    raise TypeError, "#{other.class} can't be coerce into Numeric"

  when :comparison
    raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
  end
end

#conj ⇒ Object Also known as: conjugate 



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# File 'opal/opal/corelib/numeric.rb', line 249

def conj
  self
end

#divmod(rhs) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 380

def divmod(rhs)
  q = (self / rhs).floor
  r = self % rhs

  [q, r]
end

#downto(finish, &block) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 255

def downto(finish, &block)
  return enum_for :downto, finish unless block

  %x{
    for (var i = self; i >= finish; i--) {
      if (block(i) === $breaker) {
        return $breaker.$v;
      }
    }
  }

  self
end

#even? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 272

def even?
  `self % 2 === 0`
end

#finite? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 414

def finite?
  `self == Infinity || self == -Infinity`
end

#floor ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 276

def floor
  `Math.floor(self)`
end

#hash ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 280

def hash
  `self.toString()`
end

#infinite? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 418

def infinite?
  if `self == Infinity`
    `+1`
  elsif `self == -Infinity`
    `-1`
  end
end

#integer? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 284

def integer?
  `self % 1 === 0`
end

#is_a?(klass) ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 288

def is_a?(klass)
  return true if klass == Float && Float === self
  return true if klass == Integer && Integer === self

  super
end

#nan? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 410

def nan?
  `isNaN(self)`
end

#next ⇒ Object Also known as: succ 



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# File 'opal/opal/corelib/numeric.rb', line 299

def next
  `self + 1`
end

#nonzero? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 303

def nonzero?
  `self == 0 ? nil : self`
end

#odd? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 307

def odd?
  `self % 2 !== 0`
end

#ord ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 311

def ord
  self
end

#pred ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 315

def pred
  `self - 1`
end

#send_coerced(method, other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 29

def send_coerced(method, other)
  type = case method
    when :+, :-, :*, :/, :%, :&, :|, :^, :**
      :operation

    when :>, :>=, :<, :<=, :<=>
      :comparison
  end

  a, b = coerce(other, type)
  a.__send__ method, b
end

#size ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 405

def size
  # Just a stub, JS is 32bit for bitwise ops though
  4
end

#step(limit, step = 1, &block) ⇒ Object

Raises:



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# File 'opal/opal/corelib/numeric.rb', line 319

def step(limit, step = 1, &block)
  return enum_for :step, limit, step unless block

  raise ArgumentError, 'step cannot be 0' if `step == 0`

  %x{
    var value = self;

    if (step > 0) {
      while (value <= limit) {
        block(value);
        value += step;
      }
    }
    else {
      while (value >= limit) {
        block(value);
        value += step;
      }
    }
  }

  self
end

#times(&block) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 346

def times(&block)
  return enum_for :times unless block

  %x{
    for (var i = 0; i < self; i++) {
      if (block(i) === $breaker) {
        return $breaker.$v;
      }
    }
  }

  self
end

#to_f ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 360

def to_f
  `parseFloat(#{self})`
end

#to_i ⇒ Object Also known as: to_int 



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# File 'opal/opal/corelib/numeric.rb', line 364

def to_i
  `parseInt(#{self})`
end

#to_s(base = 10) ⇒ Object Also known as: inspect 



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# File 'opal/opal/corelib/numeric.rb', line 370

def to_s(base = 10)
  if base < 2 || base > 36
    raise ArgumentError, 'base must be between 2 and 36'
  end

  `self.toString(base)`
end

#upto(finish, &block) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 387

def upto(finish, &block)
  return enum_for :upto, finish unless block

  %x{
    for (var i = self; i <= finish; i++) {
      if (block(i) === $breaker) {
        return $breaker.$v;
      }
    }
  }

  self
end

#zero? ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/numeric.rb', line 401

def zero?
  `self == 0`
end

#|(other) ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 113

def |(other)
  %x{
    if (other._isNumber) {
      return self | other;
    }
    else {
      return #{send_coerced :|, other};
    }
  }
end

#~ ⇒ Object 



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# File 'opal/opal/corelib/numeric.rb', line 208

def ~
  `~self`
end