Merge pull request #243 from JuliaMath/mateuszbaran-monotonic-interpolations

basic implementation of monotonic interpolation methods

Author: timholy

src/Interpolations.jl

@@ -28,6 +28,7 @@ export
     # see the following files for further exports:
     # b-splines/b-splines.jl
     # extrapolation/extrapolation.jl
+    # monotonic/monotonic.jl
     # scaling/scaling.jl
 
 using LinearAlgebra, SparseArrays
@@ -388,6 +389,7 @@ end
 include("nointerp/nointerp.jl")
 include("b-splines/b-splines.jl")
 include("gridded/gridded.jl")
+include("monotonic/monotonic.jl")
 include("extrapolation/extrapolation.jl")
 include("scaling/scaling.jl")
 include("utils.jl")

src/io.jl

@@ -44,6 +44,20 @@ function Base.showarg(io::IO, A::ScaledInterpolation{T}, toplevel) where {T}
     end
 end
 
+function Base.showarg(io::IO, A::MonotonicInterpolation{T, TCoeffs, Tel, Type, K}, toplevel) where {T, TCoeffs, Tel, Type, K}
+    print(io, "interpolate(")
+    _showknots(io, A.knots)
+    print(io, ", ")
+    Base.showarg(io, A.A, false)
+    print(io, ", ")
+    show(io, A.it)
+    if toplevel
+        print(io, ") with element type ",T)
+    else
+        print(io, ')')
+    end
+end
+
 function Base.showarg(io::IO, A::Extrapolation{T,N,TI,IT,ET}, toplevel) where {T,N,TI,IT,ET}
     print(io, "extrapolate(")
     Base.showarg(io, A.itp, false)