Module: Kernel

Defined in:
lib/extensions/kernel_extensions.rb,
lib/extensions/kernel_extensions.rb

Overview

Kernel extension to allow numbered LP variables to be initialised dynamically using the following syntax.

[Capitalized_varname][lp var type suffix]( integer )

This is similar to the syntax defined in the object extensions but allows for numbered suffixes to quickly generate ranges of similar variables.

Where lp var type suffix is either _b for binary, _i for integer, or _f for float. I.e

Rating_i(5) is the equivalent of Rating_5 (type integer) Is_happy_b(2) is the equivalent of Is_happy_2 (type binary/boolean) …

Defined Under Namespace

Classes: AssertionException

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(value, *args) ⇒ Object 



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# File 'lib/extensions/kernel_extensions.rb', line 19

def method_missing(value, *args)
  method_name = "#{value}" rescue ""
  start = method_name[0]
  if (start <= "Z" && start >= "A")
    case method_name[-1]
    when "b"
      method_name = method_name[0..(method_name[-2] == "_" ? -3 : -2)]
      return BV.definition(method_name, args)
    when "i"
      method_name = method_name[0..(method_name[-2] == "_" ? -3 : -2)]
      return IV.definition(method_name, args)
    when "f"
      method_name = method_name[0..(method_name[-2] == "_" ? -3 : -2)]
      return LV.definition(method_name, args)
    end
  end
  old_method_missing(value, *args)
end

Instance Method Details

#_profile ⇒ Object 



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# File 'lib/extensions/kernel_extensions.rb', line 38

def _profile
  start        = Time.now
  return_value = yield
  return return_value, Time.now - start
end

#assert(truthy = false) ⇒ Object

If assertion returns false we return a new assertion exception with the failing file and line, and attempt to return the failed source if accessible.



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# File 'lib/extensions/kernel_extensions.rb', line 63

def assert(truthy=false)
  unless truthy || (block_given? && yield)
    file, line = caller[0].split(":")
    error_message = "Assertion Failed! < #{file}:#{line}:#{ SCRIPT_LINES__[file][line.to_i - 1][0..-2] rescue ''} >"
    raise AssertionException.new(error_message)
  end
end

#old_method_missing ⇒ Object 



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# File 'lib/extensions/kernel_extensions.rb', line 18

alias_method :old_method_missing, :method_missing