further changes

Author: arnavk23

src/ADNLPProblems/toint.jl

@@ -5,8 +5,12 @@ function toint(; n::Int = default_nvar, type::Type{T} = Float64, kwargs...) wher
 		s = zero(T)
 		for i ∈ 1:n
 			ci = 1 + (i // 10)
+			js = max(1, i-2):min(n, i+2)
+				if iseven(n)
+					js = sort(collect(union(collect(js), [j for j in (i + n ÷ 2, i - n ÷ 2) if 1 <= j <= n])))
+				end
 
-			for j ∈ max(1, i-2):min(n, i+2)
+			for j ∈ js
 				aij = 5 * (1 + mod(i, 5) + mod(j, 5))
 				bij = (i + j) // 10
 				cj = (1 + j) // 10

src/PureJuMP/toint.jl

@@ -21,7 +21,11 @@ function toint(args...; n::Int = default_nvar, kwargs...)
     (1 / n) * sum(begin
       ci = 1 + i / 10
       s = zero(Float64)
-      for j = max(1, i - 2):min(n, i + 2)
+      js = max(1, i - 2):min(n, i + 2)
+      if iseven(n)
+        js = sort(collect(union(collect(js), [j for j in (i + n ÷ 2, i - n ÷ 2) if 1 <= j <= n])))
+      end
+      for j in js
         aij = 5 * (1 + mod(i, 5) + mod(j, 5))
         bij = (i + j) / 10
         cj = 1 + j / 10