Class: Hornetseye::Mask
Overview
Class for representing masking operations
Class Method Summary collapse
-
.finalised? ⇒ Boolean
Check whether objects of this class are finalised computations.
Instance Method Summary collapse
-
#compilable? ⇒ Boolean
Check whether this term is compilable.
-
#demand ⇒ Node
Perform masking operation.
-
#descriptor(hash) ⇒ String
Get unique descriptor of this object.
-
#initialize(dest, source, m, index) ⇒ Mask
constructor
Constructor.
- #shape ⇒ Object
-
#strip ⇒ Array<Array,Node>
Strip of all values.
-
#subst(hash) ⇒ Node
Substitute variables.
- #typecode ⇒ Object
-
#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?, #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 RGB_::Match
Methods included from INT_::Match
Constructor Details
#initialize(dest, source, m, index) ⇒ Mask
Constructor
44 45 46 |
# File 'lib/multiarray/mask.rb', line 44 def initialize( dest, source, m, index ) @dest, @source, @m, @index = dest, source, m, index end |
Class Method Details
.finalised? ⇒ Boolean
Check whether objects of this class are finalised computations
30 31 32 |
# File 'lib/multiarray/mask.rb', line 30 def finalised? false end |
Instance Method Details
#compilable? ⇒ Boolean
Check whether this term is compilable
143 144 145 |
# File 'lib/multiarray/mask.rb', line 143 def compilable? [ @dest, @source, @m, @index ].all? { |value| value.compilable? } end |
#demand ⇒ Node
Perform masking operation
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 |
# File 'lib/multiarray/mask.rb', line 73 def demand if variables.empty? index = @index.simplify if @m.dimension > 0 @m.shape.last.times do |i| m = @m.element INT.new( i ) source = @source.element INT.new( i ) Mask.new( @dest, source, m, index ).demand end else @m.if do Store.new( @dest.element( index ), @source ).demand index.assign index + 1 end end if @index.is_a? Pointer_ @index.store index else @index.assign index end @dest else super end end |
#descriptor(hash) ⇒ String
Get unique descriptor of this object
55 56 57 58 |
# File 'lib/multiarray/mask.rb', line 55 def descriptor( hash ) "Mask(#{@dest.descriptor( hash )},#{@source.descriptor( hash )}," + "#{@m.descriptor( hash )},#{@index.descriptor( hash )})" end |
#shape ⇒ Object
64 65 66 |
# File 'lib/multiarray/mask.rb', line 64 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.
131 132 133 134 135 136 |
# File 'lib/multiarray/mask.rb', line 131 def strip stripped = [ @dest, @source, @m, @index ].collect { |value| value.strip } return stripped.inject([]) { |vars,elem| vars + elem[0] }, stripped.inject([]) { |values,elem| values + elem[1] }, self.class.new( *stripped.collect { |elem| elem[2] } ) end |
#subst(hash) ⇒ Node
Substitute variables
Substitute the variables with the values given in the hash.
108 109 110 111 |
# File 'lib/multiarray/mask.rb', line 108 def subst( hash ) self.class.new @dest.subst( hash ), @source.subst( hash ), @m.subst( hash ), @index.subst( hash ) end |
#typecode ⇒ Object
60 61 62 |
# File 'lib/multiarray/mask.rb', line 60 def typecode @dest.typecode end |
#variables ⇒ Set
Get variables contained in this term
118 119 120 |
# File 'lib/multiarray/mask.rb', line 118 def variables @dest.variables + @source.variables + @m.variables + @index.variables end |