Class: Float

Inherits:

Object

• Object
• Float

Defined in:

lib/epitools/core_ext/numbers.rb,
lib/epitools/core_ext/truthiness.rb

Instance Method Summary

• #blank? ⇒ Boolean

  ‘true’ if the float is 0.0.

• #float? ⇒ Boolean
• #percent(decimals = 1) ⇒ Object

  Convert the float to a rounded percentage string (eg: “42.5%”).

Instance Method Details

#blank? ⇒ Boolean

‘true’ if the float is 0.0

Returns:

• (Boolean)

# File 'lib/epitools/core_ext/truthiness.rb', line 73

def blank?; self == 0.0; end

#float? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/epitools/core_ext/truthiness.rb', line 75

def float?; true; end

#percent(decimals = 1) ⇒ Object

Convert the float to a rounded percentage string (eg: “42.5%”). Its argument lets you specify how many decimals to display

eg:

> 0.32786243.percent # => "33.8%"
> 0.32786243.percent(2) # => "32.79%"

# File 'lib/epitools/core_ext/numbers.rb', line 463

def percent(decimals=1)
  "%0.#{decimals}f%%" % (self * 100)
end