Class: Torch::Native::Function

Inherits:
Object
  • Object
show all
Defined in:
lib/torch/native/function.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(function) ⇒ Function

Returns a new instance of Function.



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# File 'lib/torch/native/function.rb', line 6

def initialize(function)
  @function = function
end

Instance Attribute Details

#function ⇒ Object (readonly)

Returns the value of attribute function.



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# File 'lib/torch/native/function.rb', line 4

def function
  @function
end

Instance Method Details

#args ⇒ Object 



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# File 'lib/torch/native/function.rb', line 26

def args
  @args ||= begin
    args = []
    pos = true
    args_str = func.split("(", 2).last.split(") ->").first
    args_str.split(", ").each do |a|
      if a == "*"
        pos = false
        next
      end
      t, _, k = a.rpartition(" ")
      k, d = k.split("=")
      has_default = !d.nil?

      if d
        d =
          case d
          when "True"
            true
          when "False"
            false
          when "None"
            nil
          when /\A\-?\d+\z/
            d.to_i
          when "[]"
            []
          when "[0,1]"
            [0, 1]
          when /\A\de\-\d+\z/, /\A\d+\.\d+\z/
            d.to_f
          when "Mean"
            "mean"
          when "contiguous_format"
            d
          when "long"
            :long
          else
            raise "Unknown default: #{d}"
          end
      end

      next if t == "Generator?"
      next if t == "MemoryFormat?"
      args << {name: k, type: t, default: d, pos: pos, has_default: has_default}
    end
    args
  end
end

#base_name ⇒ Object 



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# File 'lib/torch/native/function.rb', line 105

def base_name
  @base_name ||= name.split(".").first
end

#cpp_name ⇒ Object 



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# File 'lib/torch/native/function.rb', line 101

def cpp_name
  @cpp_name ||= "_" + name.downcase.sub(".", "_")
end

#func ⇒ Object 



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# File 'lib/torch/native/function.rb', line 10

def func
  @func ||= @function["func"]
end

#name ⇒ Object 



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# File 'lib/torch/native/function.rb', line 14

def name
  @name ||= func.split("(", 2).first
end

#out? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/torch/native/function.rb', line 84

def out?
  out_size > 0 && base_name[-1] != "_"
end

#out_size ⇒ Object 



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# File 'lib/torch/native/function.rb', line 76

def out_size
  @out_size ||= func.split("->").last.count("!")
end

#python_module ⇒ Object 



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# File 'lib/torch/native/function.rb', line 18

def python_module
  @python_module ||= @function["python_module"]
end

#ret_size ⇒ Object 



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# File 'lib/torch/native/function.rb', line 80

def ret_size
  @ret_size ||= func.split("->").last.split(", ").size
end

#ruby_name ⇒ Object 



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# File 'lib/torch/native/function.rb', line 88

def ruby_name
  @ruby_name ||= begin
    name = base_name
    if name.end_with?("_")
      "#{name[0..-2]}!"
    elsif name.start_with?("is_")
      "#{name[3..-1]}?"
    else
      name
    end
  end
end

#variants ⇒ Object 



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# File 'lib/torch/native/function.rb', line 22

def variants
  @variants ||= (@function["variants"] || "function").split(", ")
end