Mercurial > repos > public > sbplib_julia

annotate src/LazyTensors/lazy_tensor_operations.jl @ 429:46acb2560451 feature/lazy_identity

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Start implementing LazyIdentity
author Jonatan Werpers <jonatan@werpers.com>
date Sun, 18 Oct 2020 22:30:17 +0200
parents 4aa59af074ef
children 541c16a8c791 904aae1899df
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
196
b3c252280a19 Move LazyArray and make LazyTensorMappingApplication and LazyElementwiseOperation subtypes of it
Jonatan Werpers <jonatan@werpers.com>
parents: 195
diff changeset
1 """
b3c252280a19 Move LazyArray and make LazyTensorMappingApplication and LazyElementwiseOperation subtypes of it
Jonatan Werpers <jonatan@werpers.com>
parents: 195
diff changeset
2 LazyTensorMappingApplication{T,R,D} <: LazyArray{T,R}
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4 Struct for lazy application of a TensorMapping. Created using `*`.
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 Allows the result of a `TensorMapping` applied to a vector to be treated as an `AbstractArray`.
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7 With a mapping `m` and a vector `v` the LazyTensorMappingApplication object can be created by `m*v`.
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
8 The actual result will be calcualted when indexing into `m*v`.
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
9 """
378
946516954c85 Use concrete types in LazyTensorApplication
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
10 struct LazyTensorMappingApplication{T,R,D, TM<:TensorMapping{T,R,D}, AA<:AbstractArray{T,D}} <: LazyArray{T,R}
946516954c85 Use concrete types in LazyTensorApplication
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
11 t::TM
946516954c85 Use concrete types in LazyTensorApplication
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
12 o::AA
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
13 end
348
7fe43d902a27 Start trying to change LazyTensors
Jonatan Werpers <jonatan@werpers.com>
parents: 333
diff changeset
14 # TODO: Do boundschecking on creation!
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
15 export LazyTensorMappingApplication
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
16
379
de4746d6d126 Add some notes and todos
Jonatan Werpers <jonatan@werpers.com>
parents: 378
diff changeset
17 # TODO: Go through and remove unneccerary type parameters on functions
de4746d6d126 Add some notes and todos
Jonatan Werpers <jonatan@werpers.com>
parents: 378
diff changeset
18
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
19 Base.:*(tm::TensorMapping{T,R,D}, o::AbstractArray{T,D}) where {T,R,D} = LazyTensorMappingApplication(tm,o)
310
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
20 Base.getindex(ta::LazyTensorMappingApplication{T,R,D}, I::Vararg{Index,R}) where {T,R,D} = apply(ta.t, ta.o, I...)
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
21 Base.getindex(ta::LazyTensorMappingApplication{T,R,D}, I::Vararg{Int,R}) where {T,R,D} = apply(ta.t, ta.o, Index{Unknown}.(I)...)
359
ba46a952a450 Remove unnecessary type parameters
Jonatan Werpers <jonatan@werpers.com>
parents: 348
diff changeset
22 Base.size(ta::LazyTensorMappingApplication) = range_size(ta.t)
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
23 # TODO: What else is needed to implement the AbstractArray interface?
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
24
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
25 # # We need the associativity to be a→b→c = a→(b→c), which is the case for '→'
257
d4cd4882ee9f Improve error messages when multiblying with TensorMappings and add some tests for TensorOperators
Jonatan Werpers <jonatan@werpers.com>
parents: 237
diff changeset
26 Base.:*(a::TensorMapping{T,R,D}, b::TensorMapping{T,D,K}, args::Union{TensorMapping{T}, AbstractArray{T}}...) where {T,R,D,K} = foldr(*,(a,b,args...))
274
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
27 # # Should we overload some other infix binary opesrator?
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
28 # →(tm::TensorMapping{T,R,D}, o::AbstractArray{T,D}) where {T,R,D} = LazyTensorMappingApplication(tm,o)
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
29 # TODO: We need to be really careful about good error messages.
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
30 # For example what happens if you try to multiply LazyTensorMappingApplication with a TensorMapping(wrong order)?
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
31
194
d30d42a11566 Move all Lazy operation into the same module
Jonatan Werpers <jonatan@werpers.com>
parents: 190
diff changeset
32 """
197
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
33 LazyTensorMappingTranspose{T,R,D} <: TensorMapping{T,D,R}
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
34
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
35 Struct for lazy transpose of a TensorMapping.
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
36
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
37 If a mapping implements the the `apply_transpose` method this allows working with
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
38 the transpose of mapping `m` by using `m'`. `m'` will work as a regular TensorMapping lazily calling
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
39 the appropriate methods of `m`.
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
40 """
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
41 struct LazyTensorMappingTranspose{T,R,D} <: TensorMapping{T,D,R}
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
42 tm::TensorMapping{T,R,D}
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
43 end
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
44 export LazyTensorMappingTranspose
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
45
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
46 # # TBD: Should this be implemented on a type by type basis or through a trait to provide earlier errors?
348
7fe43d902a27 Start trying to change LazyTensors
Jonatan Werpers <jonatan@werpers.com>
parents: 333
diff changeset
47 # Jonatan 2020-09-25: Is the problem that you can take the transpose of any TensorMapping even if it doesn't implement `apply_transpose`?
274
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
48 Base.adjoint(tm::TensorMapping) = LazyTensorMappingTranspose(tm)
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
49 Base.adjoint(tmt::LazyTensorMappingTranspose) = tmt.tm
197
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
50
310
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
51 apply(tmt::LazyTensorMappingTranspose{T,R,D}, v::AbstractArray{T,R}, I::Vararg{Index,D}) where {T,R,D} = apply_transpose(tmt.tm, v, I...)
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
52 apply_transpose(tmt::LazyTensorMappingTranspose{T,R,D}, v::AbstractArray{T,D}, I::Vararg{Index,R}) where {T,R,D} = apply(tmt.tm, v, I...)
197
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
53
359
ba46a952a450 Remove unnecessary type parameters
Jonatan Werpers <jonatan@werpers.com>
parents: 348
diff changeset
54 range_size(tmt::LazyTensorMappingTranspose) = domain_size(tmt.tm)
ba46a952a450 Remove unnecessary type parameters
Jonatan Werpers <jonatan@werpers.com>
parents: 348
diff changeset
55 domain_size(tmt::LazyTensorMappingTranspose) = range_size(tmt.tm)
197
a340fa91b1fc Move transpose def to the bottom of the file
Jonatan Werpers <jonatan@werpers.com>
parents: 196
diff changeset
56
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
57
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
58 struct LazyTensorMappingBinaryOperation{Op,T,R,D,T1<:TensorMapping{T,R,D},T2<:TensorMapping{T,R,D}} <: TensorMapping{T,D,R}
274
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
59 tm1::T1
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
60 tm2::T2
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
61
274
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
62 @inline function LazyTensorMappingBinaryOperation{Op,T,R,D}(tm1::T1,tm2::T2) where {Op,T,R,D, T1<:TensorMapping{T,R,D},T2<:TensorMapping{T,R,D}}
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
63 return new{Op,T,R,D,T1,T2}(tm1,tm2)
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
64 end
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
65 end
348
7fe43d902a27 Start trying to change LazyTensors
Jonatan Werpers <jonatan@werpers.com>
parents: 333
diff changeset
66 # TODO: Boundschecking in constructor.
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
67
310
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
68 apply(tmBinOp::LazyTensorMappingBinaryOperation{:+,T,R,D}, v::AbstractArray{T,D}, I::Vararg{Index,R}) where {T,R,D} = apply(tmBinOp.tm1, v, I...) + apply(tmBinOp.tm2, v, I...)
ece3f6f8a1d4 Change all applys to dispatch on Vararg
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 279
diff changeset
69 apply(tmBinOp::LazyTensorMappingBinaryOperation{:-,T,R,D}, v::AbstractArray{T,D}, I::Vararg{Index,R}) where {T,R,D} = apply(tmBinOp.tm1, v, I...) - apply(tmBinOp.tm2, v, I...)
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
70
348
7fe43d902a27 Start trying to change LazyTensors
Jonatan Werpers <jonatan@werpers.com>
parents: 333
diff changeset
71 range_size(tmBinOp::LazyTensorMappingBinaryOperation{Op,T,R,D}) where {Op,T,R,D} = range_size(tmBinOp.tm1)
7fe43d902a27 Start trying to change LazyTensors
Jonatan Werpers <jonatan@werpers.com>
parents: 333
diff changeset
72 domain_size(tmBinOp::LazyTensorMappingBinaryOperation{Op,T,R,D}) where {Op,T,R,D} = domain_size(tmBinOp.tm1)
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
73
274
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
74 Base.:+(tm1::TensorMapping{T,R,D}, tm2::TensorMapping{T,R,D}) where {T,R,D} = LazyTensorMappingBinaryOperation{:+,T,R,D}(tm1,tm2)
11010bb74260 Dispatch getindex for TensorMappingApplication on region indices. Dispatch apply
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 267
diff changeset
75 Base.:-(tm1::TensorMapping{T,R,D}, tm2::TensorMapping{T,R,D}) where {T,R,D} = LazyTensorMappingBinaryOperation{:-,T,R,D}(tm1,tm2)
210
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
76
2aa33d0eef90 Add ability to add and subtract TensorMappings
Jonatan Werpers <jonatan@werpers.com>
parents: 209
diff changeset
77
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
78 # TODO: Write tests and documentation for LazyTensorMappingComposition
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
79 # struct LazyTensorMappingComposition{T,R,K,D} <: TensorMapping{T,R,D}
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
80 # t1::TensorMapping{T,R,K}
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
81 # t2::TensorMapping{T,K,D}
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
82 # end
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
83
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
84 # Base.:∘(s::TensorMapping{T,R,K}, t::TensorMapping{T,K,D}) where {T,R,K,D} = LazyTensorMappingComposition(s,t)
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
85
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
86 # function range_size(tm::LazyTensorMappingComposition{T,R,K,D}, domain_size::NTuple{D,Integer}) where {T,R,K,D}
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
87 # range_size(tm.t1, domain_size(tm.t2, domain_size))
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
88 # end
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
89
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
90 # function domain_size(tm::LazyTensorMappingComposition{T,R,K,D}, range_size::NTuple{R,Integer}) where {T,R,K,D}
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
91 # domain_size(tm.t1, domain_size(tm.t2, range_size))
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
92 # end
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
93
237
1c6afdcfd657 Regretsies on the CartesianIndex stuff. Use Vararg instead
Jonatan Werpers <jonatan@werpers.com>
parents: 236
diff changeset
94 # function apply(c::LazyTensorMappingComposition{T,R,K,D}, v::AbstractArray{T,D}, I::NTuple{R,Int}) where {T,R,K,D}
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
95 # apply(c.t1, LazyTensorMappingApplication(c.t2,v), I...)
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
96 # end
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
97
237
1c6afdcfd657 Regretsies on the CartesianIndex stuff. Use Vararg instead
Jonatan Werpers <jonatan@werpers.com>
parents: 236
diff changeset
98 # function apply_transpose(c::LazyTensorMappingComposition{T,R,K,D}, v::AbstractArray{T,D}, I::NTuple{D,Int}) where {T,R,K,D}
190
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
99 # apply_transpose(c.t2, LazyTensorMappingApplication(c.t1',v), I...)
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
100 # end
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
101
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
102 # # Have i gone too crazy with the type parameters? Maybe they aren't all needed?
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
103
8964b3165097 Break LazyTensors.jl into several files
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
104 # export →
377
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
105 """
393
b14eacf823b6 Test applying LazyLinearMap to random vectors and matrices. Fix indentation
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 392
diff changeset
106 LazyLinearMap{T,R,D,...}(A, range_indicies, domain_indicies)
377
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
107
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
108 TensorMapping defined by the AbstractArray A. `range_indicies` and `domain_indicies` define which indicies of A should
400
c640f37d1c74 Update documentation
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 399
diff changeset
109 be considerd the range and domain of the TensorMapping. Each set of indices must be ordered in ascending order.
394
7ad644d112de Expand tests for LazyLinearMap and update its documentation
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 393
diff changeset
110
400
c640f37d1c74 Update documentation
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 399
diff changeset
111 For instance, if A is a m x n matrix, and range_size = (1,), domain_size = (2,), then the LazyLinearMap performs the
c640f37d1c74 Update documentation
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 399
diff changeset
112 standard matrix-vector product on vectors of size n.
377
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
113 """
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
114 struct LazyLinearMap{T,R,D, RD, AA<:AbstractArray{T,RD}} <: TensorMapping{T,R,D}
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
115 A::AA
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
116 range_indicies::NTuple{R,Int}
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
117 domain_indicies::NTuple{D,Int}
399
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
118
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
119 function LazyLinearMap(A::AA, range_indicies::NTuple{R,Int}, domain_indicies::NTuple{D,Int}) where {T,R,D, RD, AA<:AbstractArray{T,RD}}
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
120 if !issorted(range_indicies) || !issorted(domain_indicies)
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
121 throw(DomainError("range_indicies and domain_indicies must be sorted in ascending order"))
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
122 end
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
123
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
124 return new{T,R,D,RD,AA}(A,range_indicies,domain_indicies)
3b4b1758a8ad Add a check for permuted indecies.
Jonatan Werpers <jonatan@werpers.com>
parents: 394
diff changeset
125 end
377
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
126 end
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
127 export LazyLinearMap
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
128
392
418cfd945715 Fix bug in range_size and domain_size for LazyLinearMap and expand the test
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 377
diff changeset
129 range_size(llm::LazyLinearMap) = size(llm.A)[[llm.range_indicies...]]
418cfd945715 Fix bug in range_size and domain_size for LazyLinearMap and expand the test
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 377
diff changeset
130 domain_size(llm::LazyLinearMap) = size(llm.A)[[llm.domain_indicies...]]
377
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
131
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
132 function apply(llm::LazyLinearMap{T,R,D}, v::AbstractArray{T,D}, I::Vararg{Index,R}) where {T,R,D}
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
133 view_index = ntuple(i->:,ndims(llm.A))
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
134 for i ∈ 1:R
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
135 view_index = Base.setindex(view_index, Int(I[i]), llm.range_indicies[i])
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
136 end
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
137 A_view = @view llm.A[view_index...]
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
138 return sum(A_view.*v)
8414c2334393 Start implementing LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 359
diff changeset
139 end
411
4aa59af074ef Add implementation of apply_transpose for LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 402
diff changeset
140
4aa59af074ef Add implementation of apply_transpose for LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 402
diff changeset
141 function apply_transpose(llm::LazyLinearMap{T,R,D}, v::AbstractArray{T,R}, I::Vararg{Index,D}) where {T,R,D}
4aa59af074ef Add implementation of apply_transpose for LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 402
diff changeset
142 apply(LazyLinearMap(llm.A, llm.domain_indicies, llm.range_indicies), v, I...)
4aa59af074ef Add implementation of apply_transpose for LazyLinearMap
Jonatan Werpers <jonatan@werpers.com>
parents: 402
diff changeset
143 end
429
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
144
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
145
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
146 """
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
147 LazyIdentity{T,D} <: TensorMapping{T,D,D}
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
148
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
149 The lazy identity TensorMapping for a given size. Usefull for building up higher dimensional tensor mappings from lower
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
150 dimensional ones through outer products. Also used in the Implementation for InflatedTensorMapping.
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
151 """
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
152 struct LazyIdentity{T,D} <: TensorMapping{T,D,D}
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
153 size::NTuple{D,Int}
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
154 end
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
155 export LazyIdentity
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
156
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
157 LazyIdentity{T}(size::NTuple{D,Int}) where {T,D} = LazyIdentity{T,D}(size)
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
158
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
159 range_size(tmi::LazyIdentity) = tmi.size
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
160 domain_size(tmi::LazyIdentity) = tmi.size
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
161
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
162 apply(tmi::LazyIdentity{T,D}, v::AbstractArray{T,D}, I::Vararg{Index,D}) where {T,D} = v[Int.(I)...]
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
163 apply_transpose(tmi::LazyIdentity{T,D}, v::AbstractArray{T,D}, I::Vararg{Index,D}) where {T,D} = v[Int.(I)...]
46acb2560451 Start implementing LazyIdentity
Jonatan Werpers <jonatan@werpers.com>
parents: 411
diff changeset
164