module BSON::Decimal128::Builder

def parts_to_bits(significand, exponent, is_negative)

Other tags:
    Since: - 4.2.0

Returns:
  • (Array) - Tuple of the low and high bits.

Parameters:
  • is_negative (true, false) -- Whether the value is negative.
  • exponent (Integer) -- The exponent.
  • significand (Integer) -- The significand. 
def parts_to_bits(significand, exponent, is_negative)
  validate_range!(exponent, significand)
  exponent = exponent + Decimal128::EXPONENT_OFFSET
  high = significand >> 64
  low = (high << 64) ^ significand
  if high >> 49 == 1
    high = high & 0x7fffffffffff
    high |= TWO_HIGHEST_BITS_SET
    high |= (exponent & 0x3fff) << 47
  else
    high |= exponent << 49
  end
  if is_negative
    high |= SIGN_BIT_MASK
  end
  [ low, high ]
end