Class: Numeric

Inherits:

Object

show all

Instance Method Summary collapse

# File 'lib/feldtruby/float.rb', line 9

def protected_division_with(denom)
	return 0.0 if denom == 0
	self / denom
end



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# File 'lib/feldtruby/float.rb', line 14

def ratio_diff_vs(other)
	(self - other).protected_division_with(other)
end

# File 'lib/feldtruby/float.rb', line 4

def round_to_decimals(numDecimals = 2)
	factor = 10**numDecimals
	(self * factor).round / factor.to_f
end

Change to a float with a given number of significant digits.



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# File 'lib/feldtruby/float.rb', line 19

def signif(numDigits = 3)
	self.to_f.signif(numDigits)
end

Change to a float with a given number of significant digits.



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# File 'lib/feldtruby/float.rb', line 24

def to_significant_digits(numDigits = 3)
	self.to_f.to_significant_digits(numDigits)
end