Class: Numeric

Inherits:
Object show all
Defined in:
lib/nutella/core_ext/numeric/bytes.rb,
lib/nutella/core_ext/numeric/percent.rb,
lib/nutella/core_ext/numeric/sanity_check.rb

Constant Summary collapse

KILOBYTE = 
1024
MEGABYTE = 
KILOBYTE * 1024
GIGABYTE = 
MEGABYTE * 1024
TERABYTE = 
GIGABYTE * 1024
PETABYTE = 
TERABYTE * 1024
EXABYTE = 
PETABYTE * 1024

Instance Method Summary collapse

Instance Method Details

#bytes ⇒ Object Also known as: byte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 9

def bytes
  self
end

#exabytes ⇒ Object Also known as: exabyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 39

def exabytes
  self * EXABYTE
end

#gigabytes ⇒ Object Also known as: gigabyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 24

def gigabytes
  self * GIGABYTE
end

#kilobytes ⇒ Object Also known as: kilobyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 14

def kilobytes
  self * KILOBYTE
end

#megabytes ⇒ Object Also known as: megabyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 19

def megabytes
  self * MEGABYTE
end

#percent ⇒ Numeric

Translates a percentage number to a decimal.

5.percent    # => 0.05
20.percent   # => 0.2
25.percent   # => 0.25
125.percent  # => 1.25
100.percent  # => 1
200.percent  # => 2

Returns:

  • (Numeric) —

    the decimal for the percentage number



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# File 'lib/nutella/core_ext/numeric/percent.rb', line 12

def percent
  self / 100.0
end

#petabytes ⇒ Object Also known as: petabyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 34

def petabytes
  self * PETABYTE
end

#sanity_check_max(maximum) ⇒ Numeric

Checks that the number is at most a given maximum.

Examples:

Makes sure that a variable num is a maximum of 5

num = num.sanity_check_max 5

Parameters:

  • maximum (Numeric) —

    the maximum that the number can be

Returns:

  • (Numeric) —

    what the number must be in order to satisfy the maximum



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# File 'lib/nutella/core_ext/numeric/sanity_check.rb', line 20

def sanity_check_max(maximum)
  [self, maximum].min
end

#sanity_check_min(minimum) ⇒ Numeric

Checks that the number is at least a given minimum.

Examples:

Makes sure that a variable num is a minimum of 5

num = num.sanity_check_min 5

Parameters:

  • minimum (Numeric) —

    the minimum that the number can be

Returns:

  • (Numeric) —

    what the number must be in order to satisfy the minimum



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# File 'lib/nutella/core_ext/numeric/sanity_check.rb', line 9

def sanity_check_min(minimum)
  [self, minimum].max
end

#terabytes ⇒ Object Also known as: terabyte 



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# File 'lib/nutella/core_ext/numeric/bytes.rb', line 29

def terabytes
  self * TERABYTE
end