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Improved format_large_number that rounds to one decimal place but doesn't include tenths place if it's a zero

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Victoria Wang 2014-11-09 21:39:40 -06:00
parent b7cc13b9c6
commit 0b22717fc1
1 changed files with 25 additions and 9 deletions
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34
ext/numeric.rb
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@ -22,16 +22,32 @@ class Numeric
end end
def format_large_number def format_large_number
if self > 999999999 if self > 9999
return sprintf "%.3gB", (self/1000000000.0) if self > 999999999
elsif self > 999999 unit_char = 'B' #billion
return sprintf "%.3gM", (self/1000000.0) unit_amount = 1000000000.0
elsif self > 9999 elsif self > 999999
return sprintf "%.3gK", (self/1000.0) unit_char = 'M' #million
elsif self > 999 unit_amount = 1000000.0
return self.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse elsif self > 9999
unit_char = 'K' #thousand
unit_amount = 1000.0
end
self_divided = self.to_f / unit_amount
self_rounded = self_divided.round(1)
if self_rounded.denominator == 1
return sprintf ("%.0f" + unit_char), self_divided
else
return sprintf ("%.1f" + unit_char), self_divided
end
else else
return self if self > 999
return self.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
else
return self
end
end end
end end