AbstractVector points in findapproxmaxvector and friends (#391)

* AbstractVector points in findapproxmax and friends

* version bump to v0.8.2

Author: jishnub

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFunBase"
 uuid = "fbd15aa5-315a-5a7d-a8a4-24992e37be05"
-version = "0.8.1"
+version = "0.8.2"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"

src/Multivariate/LowRankFun.jl

@@ -247,7 +247,7 @@ LowRankFun(f::LowRankFun) = LowRankFun(f,ChebyshevInterval(),ChebyshevInterval()
 
 ## Utilities
 
-function findapproxmax!(f::Function,X::AbstractMatrix,ptsx::AbstractVector,ptsy::Vector,gridx,gridy)
+function findapproxmax!(f::Function,X::AbstractMatrix,ptsx::AbstractVector,ptsy::AbstractVector,gridx,gridy)
     for j=1:gridy
         ptsyj = ptsy[j]
         @simd for k=1:gridx
@@ -259,23 +259,23 @@ function findapproxmax!(f::Function,X::AbstractMatrix,ptsx::AbstractVector,ptsy:
     maxabsf,[ptsx[imptple[1]],ptsy[imptple[2]]]
 end
 
-function findapproxmax!(A::Fun,B::Fun,X::AbstractMatrix,ptsx::Vector,ptsy::Vector,gridx,gridy)
+function findapproxmax!(A::Fun,B::Fun,X::AbstractMatrix,ptsx::AbstractVector,ptsy::AbstractVector,gridx,gridy)
     Ax,By = A.(ptsx),B.(ptsy)
     subtractrankone!(Ax,By,X,gridx,gridy)
     maxabsf,impt = findmaxabs(X)
     imptple = CartesianIndices((gridx,gridy))[impt]
     [ptsx[imptple[1]],ptsy[imptple[2]]]
 end
 
-function findcholeskyapproxmax!(f::Function,X::AbstractVector,pts::Vector,grid)
+function findcholeskyapproxmax!(f::Function,X::AbstractVector,pts::AbstractVector,grid)
     @simd for k=1:grid
         @inbounds X[k]+=f(pts[k],pts[k])
     end
     maxabsf,impt = findmaxabs(X)
     maxabsf,pts[impt]
 end
 
-function findcholeskyapproxmax!(A::Fun,B::Fun,X::Vector,pts::Vector,grid)
+function findcholeskyapproxmax!(A::Fun,B::Fun,X::AbstractVector,pts::AbstractVector,grid)
     Ax,By = A.(pts),B.(pts)
     subtractrankone!(Ax,By,X,grid)
     maxabsf,impt = findmaxabs(X)