Skip to content

Support for Flat, Line and Throw extrapolations for monotonic interpolation #250

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
timholy merged 3 commits into from
Oct 3, 2018
Merged

Support for Flat, Line and Throw extrapolations for monotonic interpolation #250

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
0262822
Support for Flat, Line and Throw extrapolations for monotonic interpo…
mateuszbaran Oct 2, 2018
c49056a
tests for Reflect and Periodic extrapolations for monotonic interpola…
mateuszbaran Oct 2, 2018
f25c5f6
Merge remote-tracking branch 'upstream/master' into monotonic-extrapo…
mateuszbaran Oct 3, 2018
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/monotonic/monotonic.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,8 @@ end
size(A::MonotonicInterpolation) = size(A.knots)
axes(A::MonotonicInterpolation) = axes(A.knots)

itpflag(A::MonotonicInterpolation) = A.it

function MonotonicInterpolation(::Type{TWeights}, it::TInterpolationType, knots::TKnots, A::AbstractArray{TEl,1},
m::Vector{TCoeffs}, c::Vector{TCoeffs}, d::Vector{TCoeffs}) where {TWeights, TCoeffs, TEl, TInterpolationType<:MonotonicInterpolationType, TKnots<:AbstractVector{<:Number}}

Expand Down
15 changes: 15 additions & 0 deletions test/monotonic/runtests.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,21 @@ using Interpolations
end
end
end
extFlatItp = extrapolate(itp, Flat())
@test extFlatItp(x[1]-1) ≈ itp(x[1])
@test extFlatItp(x[end]+1) ≈ itp(x[end])
extThrowItp = extrapolate(itp, Throw())
@test_throws BoundsError extThrowItp(x[1]-1)
@test_throws BoundsError extThrowItp(x[end]+1)
extLineItp = extrapolate(itp, Line())
@test extLineItp(x[1]-1) ≈ itp(x[1]) - Interpolations.gradient1(itp, x[1])
@test extLineItp(x[end]+1) ≈ itp(x[end]) + Interpolations.gradient1(itp, x[end])
extReflectItp = extrapolate(itp, Reflect())
@test extReflectItp(x[1]-0.1) ≈ itp(x[1]+0.1)
@test extReflectItp(x[end]+0.1) ≈ itp(x[end]-0.1)
extPeriodicItp = extrapolate(itp, Periodic())
@test extPeriodicItp(x[1]-0.1) ≈ itp(x[end]-0.1)
@test extPeriodicItp(x[end]+0.1) ≈ itp(x[1]+0.1)
end
end

Expand Down