Update

Author: odow

docs/src/submodules/Utilities/overview.md

@@ -462,24 +462,24 @@ julia> A.m
 julia> A.colptr
 4-element Vector{Int32}:
  0
- 1
- 3
+ 2
+ 4
  5
 
 julia> A.rowval
 5-element Vector{Int32}:
  0
  1
+ 1
  2
  0
- 1
 
 julia> A.nzval
 5-element Vector{Float64}:
+  -4.0
   1.0
   1.0
   2.0
- -4.0
   1.0
 ```
 The lower and upper row bounds:
@@ -502,15 +502,15 @@ The lower and upper variable bounds:
 ```jldoctest matrixofconstraints
 julia> dest.variables.lower
 3-element Vector{Float64}:
-   5.0
- -Inf
    0.0
+ -Inf
+   5.0
 
 julia> dest.variables.upper
 3-element Vector{Float64}:
-  5.0
- 10.0
   1.0
+ 10.0
+  5.0
 ```
 Because of larger variations between solvers, the objective can be queried using
 the standard MOI methods:
@@ -522,7 +522,7 @@ julia> F = MOI.get(dest, MOI.ObjectiveFunctionType())
 MathOptInterface.ScalarAffineFunction{Float64}
 
 julia> F = MOI.get(dest, MOI.ObjectiveFunction{F}())
-0.0 + 1.0 MOI.VariableIndex(3) + 2.0 MOI.VariableIndex(2) - 3.1 MOI.VariableIndex(1)
+0.0 + 1.0 MOI.VariableIndex(1) + 2.0 MOI.VariableIndex(2) - 3.1 MOI.VariableIndex(3)
 ```
 
 Thus, Clp.jl implements [`copy_to`](@ref) methods similar to the following:

src/Utilities/copy.jl

@@ -500,7 +500,7 @@ struct _CopyVariablesWithSetCache
             Dict{MOI.VariableIndex,Int}(),
             Any[],
             Set{MOI.VariableIndex}(),
-            Tuple{Vector{MOI.VariableIndex},Any}[]
+            Tuple{Vector{MOI.VariableIndex},Any}[],
         )
     end
 end
@@ -521,7 +521,9 @@ function _build_copy_variables_with_set_cache(
             push!(cache.variable_cones, ([f], ci))
         end
     end
-    push!(cache.constraints_not_added, indices)
+    if !isempty(indices)
+        push!(cache.constraints_not_added, indices)
+    end
     return
 end
 
@@ -558,7 +560,9 @@ function _build_copy_variables_with_set_cache(
             push!(indices, ci)
         end
     end
-    push!(cache.constraints_not_added, indices)
+    if !isempty(indices)
+        push!(cache.constraints_not_added, indices)
+    end
     return
 end
 
@@ -580,7 +584,7 @@ function _copy_variables_with_set(dest, src)
         if offset > 0
             dest_x = MOI.add_variables(dest, offset)
             for i in 1:offset
-                index_map[vis_src[current_column + i]] = dest_x[i]
+                index_map[vis_src[current_column+i]] = dest_x[i]
             end
         end
         set = MOI.get(src, MOI.ConstraintSet(), ci)
@@ -601,7 +605,7 @@ function _copy_variables_with_set(dest, src)
     if offset > 0
         dest_x = MOI.add_variables(dest, offset)
         for i in 1:offset
-            index_map[vis_src[current_column + i]] = dest_x[i]
+            index_map[vis_src[current_column+i]] = dest_x[i]
         end
     end
     return index_map, vis_src, cache.constraints_not_added