Module: UsefulUtilities::Size::Standard::Decimal

Included in:
Bit, CdnSpeed, Frequency
Defined in:
lib/useful_utilities/size/standard/decimal.rb

Overview

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

Constant Summary collapse

KILO =

KB

1000
MEGA =

MB

KILO ** 2
GIGA =

GB

KILO ** 3
TERA =

TB

KILO ** 4

Instance Method Summary collapse

Instance Method Details

#to_decimal_bi(val, prefix) ⇒ Object 



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# File 'lib/useful_utilities/size/standard/decimal.rb', line 56

def to_decimal_bi(val, prefix)
  case prefix
  when :B  then val
  when :KB then val * KILO
  when :MB then val * MEGA
  when :GB then val * GIGA
  when :TB then val * TERA
  else unsupported_unit!(prefix)
  end
end

#to_giga(val, prefix) ⇒ Object 



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# File 'lib/useful_utilities/size/standard/decimal.rb', line 23

def to_giga(val, prefix)
  case prefix
  when :B  then val.fdiv(GIGA)
  when :KB then val.fdiv(MEGA)
  when :MB then val.fdiv(KILO)
  when :GB then val
  when :TB then val * KILO
  else unsupported_unit!(prefix)
  end
end

#to_kilo(val, prefix) ⇒ Object 



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# File 'lib/useful_utilities/size/standard/decimal.rb', line 45

def to_kilo(val, prefix)
  case prefix
  when :B  then val.fdiv(KILO)
  when :KB then val
  when :MB then val * KILO
  when :GB then val * MEGA
  when :TB then val * GIGA
  else unsupported_unit!(prefix)
  end
end

#to_mega(val, prefix) ⇒ Object 



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# File 'lib/useful_utilities/size/standard/decimal.rb', line 34

def to_mega(val, prefix)
  case prefix
  when :B  then val.fdiv(MEGA)
  when :KB then val.fdiv(KILO)
  when :MB then val
  when :GB then val * KILO
  when :TB then val * MEGA
  else unsupported_unit!(prefix)
  end
end

#to_tera(val, prefix) ⇒ Object 



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# File 'lib/useful_utilities/size/standard/decimal.rb', line 12

def to_tera(val, prefix)
  case prefix
  when :B  then val.fdiv(TERA)
  when :KB then val.fdiv(GIGA)
  when :MB then val.fdiv(MEGA)
  when :GB then val.fdiv(KILO)
  when :TB then val
  else unsupported_unit!(prefix)
  end
end