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Add some notes and todos
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 30 Sep 2020 21:30:29 +0200
parents 535f1bff4bcc
children 26e186b565b3
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1 # Notes
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3 ## Known size of range and domain?
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4 Is there any reason to use a trait to differentiate between fixed size and unknown size?
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6 When do we need to know the size of the range and domain?
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7 * When indexing to provide boundschecking?
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8 * When doing specialised computations for different parts of the range/domain?
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9 * More?
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11 Maybe if we should have dynamic sizing it could be only for the range. `domain_size` would not be implemented. And the `range_size` would be a function of a vector that the TensorMapping is applied to.
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13 ## Reasearch and thinking
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14 - [ ] Use a trait to indicate if a TensorMapping uses indices with regions.
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15 The default should be that they do NOT.
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16 - [ ] What to name this trait? Can we call it IndexStyle but not export it to avoid conflicts with Base.IndexStyle?
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17 - [ ] Use a trait to indicate that a TensorMapping har the same range and domain?
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18 - [ ] Rename all the Tensor stuff to just LazyOperator, LazyApplication and so on?
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19 - [ ] Figure out repeated application of regioned TensorMappings. Maybe an instance of a tensor mapping needs to know the exact size of the range and domain for this to work?
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20 - [ ] Check how the native julia doc generator works
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21 - [ ] Check if Vidars design docs fit in there
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22 - [ ] Create a macro @lazy which replaces a binary op (+,-) by its lazy equivalent? Would be a neat way to indicate which evaluations are lazy without cluttering/confusing with special characters.
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23 - [ ] Specificera operatorer i TOML eller något liknande?
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24 H.. H_gamma etc.)
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25 - [ ] Dispatch in Lower() instead of the type Lower so `::Lower` instead of `::Type{Lower}` ???
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26 Seems better unless there is some specific reason to use the type instead of the value.
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27 - [ ] How do we handle mixes of periodic and non-periodic grids? Seems it should be supported on the grid level and on the 1d operator level. Between there it should be transparent.
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28 - [ ] Can we have a trait to tell if a TensorMapping is transposable?
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29 - [ ] Is it ok to have "Constructors" for abstract types which create subtypes? For example a Grids() functions that gives different kind of grids based on input?