missing function

Author: Wimmerer

docs/src/index.md

@@ -55,7 +55,8 @@ SuiteSparse:GraphBLAS takes advantage of this by storing matrices in one of four
 !!! warning "Default Orientation"
     The default orientation of a `GBMatrix` is by-row, the opposite of Julia arrays, for greater speed
     in certain operations. However, a `GBMatrix` constructed from a `SparseMatrixCSC` or 
-    `Matrix` will be stored by-column. This can be changed using `gbset(A, :format, :byrow)`.
+    `Matrix` will be stored by-column. The orientation of a `GBMatrix` can be modified using
+    `gbset(A, :format, :byrow)` or `gbset(A, :format, :bycol)`.
 
 The matrix and vector in the graphic above can be constructed as follows:
 

src/operations/reduce.jl

@@ -105,3 +105,5 @@ Base.maximum(f::Function, A::GBArray) = reduce(max, map(f, A))
 
 Base.minimum(A::GBArray) = reduce(min, A)
 Base.minimum(f::Function, A::GBArray) = reduce(min, map(f, A))
+
+Base.sum(A::GBArray) = reduce(+, A)

src/vector.jl

@@ -273,6 +273,13 @@ function Base.setindex!(
     subassign!(u, x, ALL; mask, accum, desc)
     return nothing
 end
+# silly overload to help a bit with broadcasting.
+function Base.setindex!(
+    u::GBVector, x, I::Union{Vector, UnitRange, StepRange, Colon}, ::Colon;
+    mask = nothing, accum = nothing, desc = nothing
+)
+    Base.setindex!(u, x, I; mask, accum, desc)
+end
 function Base.setindex!(
     u::GBVector, x, I::Union{Vector, UnitRange, StepRange};
     mask = nothing, accum = nothing, desc = nothing