Class: ReadXls::Evaluator::RkNumber
- Inherits:
-
Object
- Object
- ReadXls::Evaluator::RkNumber
- Defined in:
- lib/read_xls/evaluator/rk_number.rb
Instance Attribute Summary collapse
-
#builder ⇒ Object
Returns the value of attribute builder.
-
#rk_bits ⇒ Object
Returns the value of attribute rk_bits.
-
#xf_index ⇒ Object
Returns the value of attribute xf_index.
Instance Method Summary collapse
- #evaluate ⇒ Object
-
#initialize(builder, rk_bits, xf_index) ⇒ RkNumber
constructor
A new instance of RkNumber.
Constructor Details
#initialize(builder, rk_bits, xf_index) ⇒ RkNumber
Returns a new instance of RkNumber.
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# File 'lib/read_xls/evaluator/rk_number.rb', line 6 def initialize(builder, rk_bits, xf_index) self.builder = builder self.rk_bits = rk_bits self.xf_index = xf_index end |
Instance Attribute Details
#builder ⇒ Object
Returns the value of attribute builder.
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# File 'lib/read_xls/evaluator/rk_number.rb', line 4 def builder @builder end |
#rk_bits ⇒ Object
Returns the value of attribute rk_bits.
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# File 'lib/read_xls/evaluator/rk_number.rb', line 4 def rk_bits @rk_bits end |
#xf_index ⇒ Object
Returns the value of attribute xf_index.
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# File 'lib/read_xls/evaluator/rk_number.rb', line 4 def xf_index @xf_index end |
Instance Method Details
#evaluate ⇒ Object
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# File 'lib/read_xls/evaluator/rk_number.rb', line 12 def evaluate value = if (rk_bits & 0x02) == 0 rk_bits_without_last_2 = (rk_bits & 0xfffffffc) float_in_64_bit_string_big_endian = (("%032b" % rk_bits_without_last_2) + "0"*32) [float_in_64_bit_string_big_endian].pack("B*").unpack("G").first else rk_bits >> 2 end value = if (rk_bits & 0x01) == 0 value else value / 100.0 end FormatNumber.new(value, extended_format).evaluate end |