Class: Protobuf::Field::DoubleField

Inherits:
VarintField show all
Defined in:
lib/protobuf/message/field.rb

Instance Attribute Summary

Attributes inherited from BaseField

#default, #message_class, #name, #rule, #tag, #type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from VarintField

default, get_bytes

Methods inherited from BaseField

#clear, default, #default_value, #define_accessor, #define_getter, #define_setter, descriptor, #descriptor, #error_message, #get, #initialize, #initialized?, #max, #merge, #merge_array, #merge_value, #min, #optional?, #ready?, #repeated?, #required?, #set, #set_array, #to_s, #typed_default_value

Constructor Details

This class inherits a constructor from Protobuf::Field::BaseField

Class Method Details

.max ⇒ Object

TODO



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# File 'lib/protobuf/message/field.rb', line 446

def self.max
  '0x7fefffffffffffff'.unpack('d').first
end

.min ⇒ Object

TODO



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# File 'lib/protobuf/message/field.rb', line 451

def self.min
  -(2**(64/2) - 1)
end

Instance Method Details

#acceptable?(val) ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (TypeError) 


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# File 'lib/protobuf/message/field.rb', line 463

def acceptable?(val)
  raise TypeError.new(val.class.name) unless val.is_a? Numeric
  raise RangeError.new(val) if val < min or max < val
  true
end

#get_bytes(value) ⇒ Object 



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# File 'lib/protobuf/message/field.rb', line 459

def get_bytes(value)
  [value].pack('E')
end

#set_bytes(message_instance, bytes) ⇒ Object 



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# File 'lib/protobuf/message/field.rb', line 455

def set_bytes(message_instance, bytes)
  message_instance.send("#{name}=", bytes.unpack('E').first)
end

#wire_type ⇒ Object 



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# File 'lib/protobuf/message/field.rb', line 441

def wire_type
  Protobuf::WireType::FIXED64
end