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Improve inference in axpy for non-inferred operator #522

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Merged
merged 2 commits into from
Aug 3, 2023
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Improve inference in axpy for non-inferred operator #522

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01de080
Improve inference in axpy for non-inferred operator
jishnub Aug 3, 2023
1b0e6df
Bump version to v0.9.2
jishnub Aug 3, 2023
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "ApproxFunBase"
uuid = "fbd15aa5-315a-5a7d-a8a4-24992e37be05"
version = "0.9.1"
version = "0.9.2"

[deps]
AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
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6 changes: 5 additions & 1 deletion src/Operators/Operator.jl
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Expand Up @@ -830,7 +830,11 @@ const WrapperOperator = Union{SpaceOperator,MultiplicationWrapper,DerivativeWrap
## BLAS and matrix routines
# We assume that copy may be overriden

axpy!(a, X::Operator, Y::AbstractMatrix) = (Y .= a .* AbstractMatrix(X) .+ Y)
function axpy!(a, X::Operator, Y::AbstractMatrix)
Y .+= a .* AbstractMatrix(X)
# the explicit return statement improves type inference
return Y
end
copyto!(dest::AbstractMatrix, src::Operator) = copyto!(dest, AbstractMatrix(src))

# this is for operators that implement copy via axpy!
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