class Numeric
Public Instance Methods
bound(min, max)
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Returns self, bounded to min/max values
# File lib/iron/extensions/numeric.rb, line 5 def bound(min, max) min, max = max, min if max < min return min if min > self return max if max < self self end
to_display(decimal_count = nil, include_thousands = true)
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# File lib/iron/extensions/numeric.rb, line 12 def to_display(decimal_count = nil, include_thousands = true) res = '' decimal = self.to_s.extract(/\.([0-9]+)/) unless decimal.nil? || decimal_count.nil? decimal = decimal[0...decimal_count].ljust(decimal_count,'0') end val = self.to_i.abs if include_thousands while val > 999 res.prepend(',' + (val % 1000).to_s.rjust(3,'0')) val /= 1000 end end res.prepend(val.to_s) if val > 0 || res.empty? res = '-' + res if self < 0 res = res + '.' + decimal unless decimal.blank? res end