Class: Hornetseye::Random
Overview
Class for generating random number arrays
Instance Method Summary collapse
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#compilable? ⇒ Boolean
Check whether this term is compilable.
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#demand ⇒ Node, Object
Reevaluate computation.
-
#descriptor(hash) ⇒ String
Get unique descriptor of this object.
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#initialize(dest, n) ⇒ Random
constructor
Constructor.
- #shape ⇒ Object
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#strip ⇒ Array<Array,Node>
Strip of all values.
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#subst(hash) ⇒ Node
Substitute variables.
- #typecode ⇒ Object
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#variables ⇒ Set
Get variables contained in this term.
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?, #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
Methods included from FLOAT_::Match
Methods included from OBJECT::Match
Methods included from COMPLEX_::Match
Methods included from BOOL::Match
Methods included from Hornetseye::RGB_::Match
Methods included from INT_::Match
Constructor Details
#initialize(dest, n) ⇒ Random
Constructor
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# File 'lib/multiarray/random.rb', line 28 def initialize( dest, n ) @dest, @n = dest, n end |
Instance Method Details
#compilable? ⇒ Boolean
Check whether this term is compilable
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# File 'lib/multiarray/random.rb', line 120 def compilable? @dest.compilable? and @n.compilable? end |
#demand ⇒ Node, Object
Reevaluate computation
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# File 'lib/multiarray/random.rb', line 58 def demand if variables.empty? if dimension > 0 shape.last.times do |i| dest = @dest.element INT.new( i ) Random.new( dest, @n ).demand end else if @n.typecode < INT_ or ( @n.typecode < OBJECT and @n.get.is_a? Integer ) @dest.store @n.typecode.new( @n.get.lrand ) else @dest.store @n.typecode.new( @n.get.drand ) end end @dest else super end end |
#descriptor(hash) ⇒ String
Get unique descriptor of this object
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# File 'lib/multiarray/random.rb', line 39 def descriptor( hash ) "Random(#{@dest.descriptor( hash )},#{@n.descriptor( hash )})" end |
#shape ⇒ Object
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# File 'lib/multiarray/random.rb', line 47 def shape @dest.shape end |
#strip ⇒ Array<Array,Node>
Strip of all values
Split up into variables, values, and a term where all values have been replaced with variables.
values, and the term based on variables.
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# File 'lib/multiarray/random.rb', line 109 def strip vars1, values1, term1 = @dest.strip vars2, values2, term2 = @n.strip return vars1 + vars2, values1 + values2, Random.new( term1, term2 ) end |
#subst(hash) ⇒ Node
Substitute variables
Substitute the variables with the values given in the hash.
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# File 'lib/multiarray/random.rb', line 87 def subst( hash ) self.class.new @dest.subst( hash ), @n.subst( hash ) end |
#typecode ⇒ Object
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# File 'lib/multiarray/random.rb', line 43 def typecode @dest.typecode end |
#variables ⇒ Set
Get variables contained in this term
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# File 'lib/multiarray/random.rb', line 96 def variables @dest.variables + @n.variables end |