Class: Hornetseye::ElementWise_

Inherits:
Node show all
Defined in:
docs/multiarray/lib/multiarray/elementwise.rb

Overview

Class for representing element-wise operations

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#<=>, ===, #[], #[]=, #allocate, #b=, #b_with_decompose, #basetype, #between?, bool, #check_shape, #clip, coercion_bool, coercion_byte, coercion_maxint, #collect, #components, cond, #conditional, #convolve, #dilate, dimension, #dimension, #downsample, #dup, #each, #empty?, #eq_with_multiarray, #erode, #fill!, #flip, float_scalar, floating, #fmod_with_float, #g=, #g_with_decompose, #gauss_blur, #gauss_gradient, #height, #histogram, #histogram_with_rgb, #if, #if_else, #imag=, #imag_with_decompose, indgen, #inject, #inspect, #integral, #lut, #lut_with_rgb, #mask, #matched?, #max, #mean, #memorise, #memory, #min, #normalise, #orig_to_cvmat, #orig_to_type_with_frame, #prod, #r=, #r_with_decompose, #range, #real=, #real_with_decompose, #reshape, rgb?, #rgb?, #roll, #save_dfloat, #save_dfloatrgb, #save_magick, #save_openexr, #save_sfloat, #save_sfloatrgb, #save_ubyte, #save_ubytergb, #save_uint, #save_uintrgb, #save_usint, #save_usintrgb, scalar, shape, #shift, #show, #size, #sobel, #stretch, #sum, #swap_rgb_with_scalar, #to_a, #to_cvmat, #to_magick, #to_narray, to_type, #to_type, #to_type_with_frame, #to_type_with_identity, #to_type_with_rgb, #transpose, typecode, #unmask, #unroll, #warp, #width

Constructor Details

#initialize(*values) ⇒ ElementWise_

Initialise unary operation

Parameters:

  • value (Node) —

    Value to apply operation to.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 72

def initialize( *values )
  @values = values
  check_shape *values
end

Class Attribute Details

.conversion ⇒ Proc

Name of method for type conversion

Returns:

  • (Proc) —

    A closure for doing the type conversion.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 38

def conversion
  @conversion
end

.key ⇒ Symbol, String

Unique key to identify operation

Returns:

  • (Symbol, String) —

    A unique key to identify this operation.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 33

def key
  @key
end

.operation ⇒ Proc

Name of operation

Returns:

  • (Proc) —

    A closure with the operation.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 28

def operation
  @operation
end

Class Method Details

.inspect ⇒ String

Get string with information about this class

Returns:

  • (String) —

    Return string with information about this class.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 43

def inspect
  key.to_s
end

Instance Method Details

#decompose(i) ⇒ Node

Decompose composite elements

This method decomposes composite elements into array.

Returns:

  • (Node) —

    Result of decomposition.



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 196

def decompose( i )
  values = @values.collect { |value| value.decompose i }
  self.class.new( *values ).demand
end

#shape ⇒ Object 



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 94

def shape
  shapes = @values.collect { |value| value.shape }
  shapes.inject { |a,b| a.size > b.size ? a : b }
end

#typecode ⇒ Object 



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# File 'docs/multiarray/lib/multiarray/elementwise.rb', line 89

def typecode
  typecodes = @values.collect { |value| value.typecode }
  self.class.conversion.call *typecodes
end