Class: ProtocolBuffers::Varint

Inherits:
Object
  • Object
show all
Defined in:
lib/protocol_buffers/runtime/varint.rb

Class Method Summary collapse

Class Method Details

.decodeZigZag32(int_val) ⇒ Object Also known as: decodeZigZag64 



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# File 'lib/protocol_buffers/runtime/varint.rb', line 43

def self.decodeZigZag32(int_val)
  (int_val >> 1) ^ -(int_val & 1)
end

.encodeZigZag32(int_val) ⇒ Object 



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# File 'lib/protocol_buffers/runtime/varint.rb', line 35

def self.encodeZigZag32(int_val)
  (int_val << 1) ^ (int_val >> 31)
end

.encodeZigZag64(int_val) ⇒ Object 



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# File 'lib/protocol_buffers/runtime/varint.rb', line 39

def self.encodeZigZag64(int_val)
  (int_val << 1) ^ (int_val >> 63)
end