Make chebyshev transforms type stable, make points lazy (#114)

* Make chebyshev transforms type stable, make points lazy

* Update chebyshevtransform.jl

* Make type stable

* Chebyshev U

* Support ArrayLayouts v0.4

* Update clenshaw.jl

* Update clenshaw.jl

* Int64 -> Int

* Allow empty Chebyshev transform

Author: dlfivefifty

Project.toml

@@ -1,6 +1,6 @@
 name = "FastTransforms"
 uuid = "057dd010-8810-581a-b7be-e3fc3b93f78c"
-version = "0.9.4"
+version = "0.10.0"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"

src/FastTransforms.jl

@@ -9,7 +9,7 @@ import DSP
 @reexport using FFTW
 
 import Base: unsafe_convert, eltype, ndims, adjoint, transpose, show, *, \,
-             inv, size, view
+             inv, length, size, view, getindex
 
 import Base.GMP: Limb
 
@@ -66,7 +66,8 @@ include("PaduaTransform.jl")
 export plan_chebyshevtransform, plan_ichebyshevtransform, plan_chebyshevtransform!, plan_ichebyshevtransform!,
             chebyshevtransform, ichebyshevtransform, chebyshevpoints,
             plan_chebyshevutransform, plan_ichebyshevutransform, plan_chebyshevutransform!, plan_ichebyshevutransform!,
-            chebyshevutransform, ichebyshevutransform
+            chebyshevutransform, ichebyshevutransform,
+            chebyshevtransform!, ichebyshevtransform!, chebyshevutransform!, ichebyshevutransform!
 
 include("chebyshevtransform.jl")