Class: Numeric

Inherits:

Object

• Object
• Numeric

Includes:

Time::Units

Defined in:

lib/stella/core_ext.rb,
lib/stella/core_ext.rb

Overview

Statistics Module for Ruby © Derrick Pallas

Authors: Derrick Pallas Website: derrick.pallas.us/ruby-stats/ License: Academic Free License 3.0 Version: 2007-10-01b

Constant Summary

Constants included from Time::Units

Time::Units::PER_DAY, Time::Units::PER_HOUR, Time::Units::PER_MICROSECOND, Time::Units::PER_MILLISECOND, Time::Units::PER_MINUTE

Instance Method Summary

• #fineround(len = 6.0) ⇒ Object
• #square ⇒ Object
• #to_bytes ⇒ Object

  TODO: Use 1024?.

• #to_ms ⇒ Object

Methods included from Time::Units

#days, #hours, #in_days, #in_hours, #in_microseconds, #in_milliseconds, #in_minutes, #in_seconds, #in_time, #in_weeks, #in_years, #microseconds, #milliseconds, #minutes, #seconds, #weeks, #years

Instance Method Details

#fineround(len = 6.0) ⇒ Object

# File 'lib/stella/core_ext.rb', line 390

def fineround(len=6.0)
  v = (self * (10.0**len)).round / (10.0**len)
  v.zero? ? 0 : v
end

#square ⇒ Object

# File 'lib/stella/core_ext.rb', line 389

def square ; self * self ; end

#to_bytes ⇒ Object

TODO: Use 1024?

# File 'lib/stella/core_ext.rb', line 258

def to_bytes
  args = case self.abs.to_i
  when (1000)..(1000**2)
    '%3.2f%s' % [(self / 1000.to_f).to_s, 'KB']
  when (1000**2)..(1000**3)
    '%3.2f%s' % [(self / (1000**2).to_f).to_s, 'MB']
  when (1000**3)..(1000**4)
    '%3.2f%s' % [(self / (1000**3).to_f).to_s, 'GB']
  when (1000**4)..(1000**6)
    '%3.2f%s' % [(self / (1000**4).to_f).to_s, 'TB']
  else
    [self.to_i, 'B'].join
  end
end

#to_ms ⇒ Object

# File 'lib/stella/core_ext.rb', line 253

def to_ms
  (self*1000.to_f)
end