Mercurial > repos > public > sbplib_julia

annotate SbpOperators/src/constantstenciloperator.jl @ 257:d4cd4882ee9f boundary_conditions

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Improve error messages when multiblying with TensorMappings and add some tests for TensorOperators
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 28 Jun 2019 14:10:35 +0200
parents 396eadb652bd
children ccef055233a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
249
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
1 export apply
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
2
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
3 abstract type ConstantStencilOperator end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
4
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
5 # Apply for different regions Lower/Interior/Upper or Unknown region
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
6 @inline function apply(op::ConstantStencilOperator, h::Real, v::AbstractVector, i::Index{Lower})
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
7 return @inbounds h*h*apply(op.closureStencils[Int(i)], v, Int(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
8 end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
9
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
10 @inline function apply(op::ConstantStencilOperator, h::Real, v::AbstractVector, i::Index{Interior})
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
11 return @inbounds h*h*apply(op.innerStencil, v, Int(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
12 end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
13
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
14 @inline function apply(op::ConstantStencilOperator, h::Real, v::AbstractVector, i::Index{Upper})
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
15 N = length(v)
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
16 return @inbounds h*h*Int(op.parity)*apply_backwards(op.closureStencils[N-Int(i)+1], v, Int(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
17 end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
18
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
19 @inline function apply(op::ConstantStencilOperator, h::Real, v::AbstractVector, index::Index{Unknown})
253
396eadb652bd Rename function closureSize to closuresize
Jonatan Werpers <jonatan@werpers.com>
parents: 249
diff changeset
20 cSize = closuresize(op)
249
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
21 N = length(v)
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
22
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
23 i = Int(index)
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
24
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
25 if 0 < i <= cSize
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
26 return apply(op, h, v, Index{Lower}(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
27 elseif cSize < i <= N-cSize
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
28 return apply(op, h, v, Index{Interior}(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
29 elseif N-cSize < i <= N
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
30 return apply(op, h, v, Index{Upper}(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
31 else
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
32 error("Bounds error") # TODO: Make this more standard
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
33 end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
34 end
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
35
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
36 # Wrapper functions for using regular indecies without specifying regions
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
37 @inline function apply(op::ConstantStencilOperator, h::Real, v::AbstractVector, i::Int)
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
38 return apply(op, h, v, Index{Unknown}(i))
7cb4492ccd60 Refactor package SbpOperators
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
diff changeset
39 end