Class: Integer

Inherits:

Object

• Object
• Integer

Defined in:

lib/d2s3/patch/integer.rb

Instance Method Summary

• #js_shl(count) ⇒ Object

  32-bit left shift.

• #js_shr_zf(count) ⇒ Object

  32-bit zero-fill right shift (>>>).

Instance Method Details

#js_shl(count) ⇒ Object

32-bit left shift

# File 'lib/d2s3/patch/integer.rb', line 3

def js_shl(count)
  v = (self << count) & 0xffffffff
  v > 2**31 ? v - 2**32 : v
end

#js_shr_zf(count) ⇒ Object

32-bit zero-fill right shift (>>>)

# File 'lib/d2s3/patch/integer.rb', line 9

def js_shr_zf(count)
  self >> count & (2**(32-count)-1)
end