Module: UsefulUtilities::Size::Standard::Binary

Included in:
Byte
Defined in:
lib/useful_utilities/size/standard/binary.rb

Overview

Possible prefixes:

:B   - bytes
:KiB - kibibytes
:MiB - mebibytes
:GiB - gibibytes
:TiB - tebibytes

Used ISO standard en.wikipedia.org/wiki/Binary_prefix

Constant Summary collapse

KIBI =

KiB

1024
MEBI =

MiB

KIBI ** 2
GIBI =

GiB

KIBI ** 3
TEBI =

TiB

KIBI ** 4

Instance Method Summary collapse

Instance Method Details

#to_binary_bi(val, prefix) ⇒ Numeric

Returns val in bytes.

Parameters:

Returns:



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# File 'lib/useful_utilities/size/standard/binary.rb', line 77

def to_binary_bi(val, prefix)
  case prefix
  when :B   then val
  when :KiB then val * KIBI
  when :MiB then val * MEBI
  when :GiB then val * GIBI
  when :TiB then val * TEBI
  else unsupported_unit!(prefix)
  end
end

#to_gibi(val, prefix) ⇒ Numeric

Returns val in gibibytes.

Parameters:

Returns:



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# File 'lib/useful_utilities/size/standard/binary.rb', line 35

def to_gibi(val, prefix)
  case prefix
  when :B   then val.fdiv(GIBI)
  when :KiB then val.fdiv(MEBI)
  when :MiB then val.fdiv(KIBI)
  when :GiB then val
  when :TiB then val * KIBI
  else unsupported_unit!(prefix)
  end
end

#to_kibi(val, prefix) ⇒ Numeric

Returns val in kibibytes.

Parameters:

Returns:



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# File 'lib/useful_utilities/size/standard/binary.rb', line 63

def to_kibi(val, prefix)
  case prefix
  when :B   then val.fdiv(KIBI)
  when :KiB then val
  when :MiB then val * KIBI
  when :GiB then val * MEBI
  when :TiB then val * GIBI
  else unsupported_unit!(prefix)
  end
end

#to_mebi(val, prefix) ⇒ Numeric

Returns val in mebibytes.

Parameters:

Returns:



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# File 'lib/useful_utilities/size/standard/binary.rb', line 49

def to_mebi(val, prefix)
  case prefix
  when :B   then val.fdiv(MEBI)
  when :KiB then val.fdiv(KIBI)
  when :MiB then val
  when :GiB then val * KIBI
  when :TiB then val * MEBI
  else unsupported_unit!(prefix)
  end
end

#to_tebi(val, prefix) ⇒ Numeric

Returns val in tebibytes.

Parameters:

Returns:



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# File 'lib/useful_utilities/size/standard/binary.rb', line 21

def to_tebi(val, prefix)
  case prefix
  when :B   then val.fdiv(TEBI)
  when :KiB then val.fdiv(GIBI)
  when :MiB then val.fdiv(MEBI)
  when :GiB then val.fdiv(KIBI)
  when :TiB then val
  else unsupported_unit!(prefix)
  end
end