Class: CAS::BoxConditionLowerClosed

Inherits:
BoxCondition show all
Defined in:
lib/functions/fnc-box-conditions.rb

Overview

Implements the box condition with lower bound closed and upper open

“‘ a ≤ f(x) < b “`

Instance Attribute Summary

Attributes inherited from BoxCondition

#lower, #upper, #x

Attributes inherited from Condition

#x, #y

Instance Method Summary collapse

Methods inherited from BoxCondition

#==, #args, #depend?, #diff, #initialize, #inspect, #simplify, #subs, #to_code, #to_s

Methods inherited from Condition

#==, #args, #depend?, #diff, #initialize, #inspect, #simplify, #subs, #to_code, #to_s

Constructor Details

This class inherits a constructor from CAS::BoxCondition

Instance Method Details

#call(fd) ⇒ Object

Function call will evaluate box condition to evaluate relation

* **argument**: `Hash` with feed dictionary
* **returns**: `Trueclass` or `Falseclass`



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# File 'lib/functions/fnc-box-conditions.rb', line 230

def call(fd)
  x_call = @x.call(fd)
  return ((@lower.call(fd) <= x_call) and (x_call < @upper))
end

#representative ⇒ Object

Saves some required elements



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# File 'lib/functions/fnc-box-conditions.rb', line 218

def representative
  @lower_cond  = "<="
  @lower_str   = "≤"
  @upper_cond  =  @upper_str = "<"
  self
end