Class: Hornetseye::Argument

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

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#+@, #<=>, ===, #[], #[]=, #allocate, #b=, #b_with_decompose, basetype, #basetype, #between?, bool, byte, #check_shape, #clip, #coerce, coercion_bool, coercion_byte, coercion_maxint, #collect, compilable?, #components, cond, #conditional, #convolve, #decompose, define_binary_op, define_unary_op, descriptor, #diagonal, #dilate, #dimension, dimension, #downsample, #dup, #each, #empty?, #eq_with_multiarray, #erode, #fill!, #finalised?, #flip, float, float_scalar, floating, #fmod_with_float, #force, #g=, #g_with_decompose, #gauss_blur, #gauss_gradient, #get, #height, #histogram, #histogram_with_rgb, identity, #if, #if_else, #imag=, #imag_with_decompose, indgen, #inject, #inspect, #integral, #lut, #lut_with_rgb, #malloc, #mask, match, #matched?, #max, maxint, #mean, #memorise, #memory, #min, #normalise, #prod, #r=, #r_with_decompose, #range, #real=, #real_with_decompose, #reshape, #rgb?, rgb?, #roll, scalar, shape, #shift, #simplify, #size, #sobel, #stretch, #stride, #strides, strip, subst, #sum, #swap_rgb_with_scalar, #table, #to_a, #to_s, to_s, #to_type, to_type, #to_type_with_identity, #to_type_with_rgb, #transpose, typecode, typecodes, #unmask, #unroll, variables, #warp, #width

Methods included from Field_::Match

#align, #fit

Methods included from FLOAT_::Match

#align, #fit

Methods included from OBJECT::Match

#align, #fit

Methods included from COMPLEX_::Match

#align, #fit

Methods included from BOOL::Match

#fit

Methods included from RGB_::Match

#align, #fit

Methods included from INT_::Match

#fit

Constructor Details

#initialize(value, index, block, var1, var2, zero) ⇒ Argument

Returns a new instance of Argument.



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# File 'lib/multiarray/argument.rb', line 30

def initialize(value, index, block, var1, var2, zero)
  @value, @index, @block, @var1, @var2, @zero = value, index, block, var1, var2, zero
end

Class Method Details

.finalised? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/multiarray/argument.rb', line 24

def finalised?
  false
end

Instance Method Details

#compilable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/multiarray/argument.rb', line 88

def compilable?
  @value.compilable? and @block.compilable? and @zero.compilable?
end

#demand ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 50

def demand
  initial = @value.subst(@index => INT.new(0)).simplify
  retval = @zero.simplify
  INT.new(0).upto @index.size - 1 do |i|
    sub = @value.subst @index => INT.new(i)
    cond = @block.subst @var1 => sub, @var2 => initial
    retval.assign cond.conditional(INT.new(i), retval)
    initial.assign cond.conditional(sub, initial)
  end
  retval
end

#descriptor(hash) ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 34

def descriptor(hash)
  hash = hash.merge @index => ((hash.values.max || 0) + 1)
  hash = hash.merge @var1 => ((hash.values.max || 0) + 1)
  hash = hash.merge @var2 => ((hash.values.max || 0) + 1)
  "Argument(#{@value.descriptor(hash)},#{@index.descriptor(hash)}," +
    "#{@block.descriptor(hash)},#{@zero.descriptor(hash)})"
end

#element(i) ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 62

def element(i)
  self.class.new @value.element(i), @index, @block, @var1, @var2, @zero
end

#shape ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 46

def shape
  @value.shape
end

#strip ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 70

def strip
  meta_vars, meta_values, var = @index.strip
  vars, values, term = @value.subst(@index => var).strip
  block_vars, block_values, block_term = @block.strip
  zero_vars, zero_values, zero_term = @zero.strip
  return vars + meta_vars + block_vars + zero_vars,
    values + meta_values + block_values + zero_values,
    self.class.new(term, var, block_term, @var1, @var2, zero_term)
end

#subst(hash) ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 80

def subst(hash)
  subst_var = @index.subst hash
  value = @value.subst(@index => subst_var).subst hash
  block = @block.subst hash
  zero = @zero.subst hash
  self.class.new value, subst_var, block, @var1, @var2, zero
end

#typecode ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 42

def typecode
  INT
end

#variables ⇒ Object 



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# File 'lib/multiarray/argument.rb', line 66

def variables
  @value.variables + @zero.variables - @index.variables
end