runic -i .

examples/ex5.jl

@@ -85,7 +85,9 @@ function main(argc, argv)
     end
 
     # Preliminaries: want at least one processor per row
-    if n * n < num_procs; n = trunc(Int, sqrt(n)) + 1; end
+    if n * n < num_procs
+        n = trunc(Int, sqrt(n)) + 1
+    end
     N = n * n # global number of rows
     h = 1.0 / (n + 1) # mesh size
     h2 = h * h
@@ -257,8 +259,7 @@ function main(argc, argv)
     num_iterations = Ref{Cint}()
     final_res_norm = Ref{Cdouble}()
 
-    # AMG
-    if solver_id == 0
+    if solver_id == 0 # AMG
         # Create solver
         HYPRE_BoomerAMGCreate(solver_ref)
         solver = solver_ref[]
@@ -270,7 +271,7 @@ function main(argc, argv)
         HYPRE_BoomerAMGSetRelaxOrder(solver, 1) # uses C/F relaxation
         HYPRE_BoomerAMGSetNumSweeps(solver, 1)  # Sweeeps on each level
         HYPRE_BoomerAMGSetMaxLevels(solver, 20) # maximum number of levels
-        HYPRE_BoomerAMGSetTol(solver, 1e-7)     # conv. tolerance
+        HYPRE_BoomerAMGSetTol(solver, 1.0e-7)   # conv. tolerance
 
         # Now setup and solve!
         HYPRE_BoomerAMGSetup(solver, parcsr_A, par_b, par_x)
@@ -289,15 +290,14 @@ function main(argc, argv)
         # Destroy solver
         HYPRE_BoomerAMGDestroy(solver)
 
-    # PCG
-    elseif solver_id == 50
+    elseif solver_id == 50 # PCG
         # Create solver
         HYPRE_ParCSRPCGCreate(MPI_COMM_WORLD, solver_ref)
         solver = solver_ref[]
 
         # Set some parameters (See Reference Manual for more parameters)
         HYPRE_PCGSetMaxIter(solver, 1000) # max iterations
-        HYPRE_PCGSetTol(solver, 1e-7) # conv. tolerance
+        HYPRE_PCGSetTol(solver, 1.0e-7) # conv. tolerance
         HYPRE_PCGSetTwoNorm(solver, 1) # use the two norm as the stopping criteria
         HYPRE_PCGSetPrintLevel(solver, 2) # prints out the iteration info
         HYPRE_PCGSetLogging(solver, 1) # needed to get run info later
@@ -319,15 +319,14 @@ function main(argc, argv)
         # Destroy solver
         HYPRE_ParCSRPCGDestroy(solver)
 
-    # PCG with AMG preconditioner
-    elseif solver_id == 1
+    elseif solver_id == 1 # PCG with AMG preconditioner
         # Create solver
         HYPRE_ParCSRPCGCreate(MPI_COMM_WORLD, solver_ref)
         solver = solver_ref[]
 
         # Set some parameters (See Reference Manual for more parameters)
         HYPRE_PCGSetMaxIter(solver, 1000) # max iterations
-        HYPRE_PCGSetTol(solver, 1e-7) # conv. tolerance
+        HYPRE_PCGSetTol(solver, 1.0e-7) # conv. tolerance
         HYPRE_PCGSetTwoNorm(solver, 1) # use the two norm as the stopping criteria
         HYPRE_PCGSetPrintLevel(solver, 2) # print solve info
         HYPRE_PCGSetLogging(solver, 1) # needed to get run info later
@@ -364,15 +363,14 @@ function main(argc, argv)
         HYPRE_ParCSRPCGDestroy(solver)
         HYPRE_BoomerAMGDestroy(precond)
 
-    # PCG with Parasails Preconditioner
-    elseif solver_id == 8
+    elseif solver_id == 8 # PCG with Parasails Preconditioner
         # Create solver
         HYPRE_ParCSRPCGCreate(MPI_COMM_WORLD, solver_ref)
         solver = solver_ref[]
 
         # Set some parameters (See Reference Manual for more parameters)
         HYPRE_PCGSetMaxIter(solver, 1000) # max iterations
-        HYPRE_PCGSetTol(solver, 1e-7) # conv. tolerance
+        HYPRE_PCGSetTol(solver, 1.0e-7) # conv. tolerance
         HYPRE_PCGSetTwoNorm(solver, 1) # use the two norm as the stopping criteria
         HYPRE_PCGSetPrintLevel(solver, 2) # print solve info
         HYPRE_PCGSetLogging(solver, 1) # needed to get run info later
@@ -412,8 +410,7 @@ function main(argc, argv)
         HYPRE_ParCSRPCGDestroy(solver)
         HYPRE_ParaSailsDestroy(precond)
 
-    # Flexible GMRES with AMG Preconditioner
-    elseif solver_id == 61
+    elseif solver_id == 61 # Flexible GMRES with AMG Preconditioner
 
         # Create solver
         HYPRE_ParCSRFlexGMRESCreate(MPI_COMM_WORLD, solver_ref)
@@ -422,7 +419,7 @@ function main(argc, argv)
         # Set some parameters (See Reference Manual for more parameters)
         HYPRE_FlexGMRESSetKDim(solver, 30) # restart
         HYPRE_FlexGMRESSetMaxIter(solver, 1000) # max iterations
-        HYPRE_FlexGMRESSetTol(solver, 1e-7) # conv. tolerance
+        HYPRE_FlexGMRESSetTol(solver, 1.0e-7) # conv. tolerance
         HYPRE_FlexGMRESSetPrintLevel(solver, 2) # print solve info
         HYPRE_FlexGMRESSetLogging(solver, 1) # needed to get run info later
 
@@ -459,7 +456,9 @@ function main(argc, argv)
         HYPRE_BoomerAMGDestroy(precond)
 
     else
-        if myid == 0; println("Invalid solver id specified."); end
+        if myid == 0
+            println("Invalid solver id specified.")
+        end
     end
 
     # Clean up

ext/HYPREPartitionedArrays.jl

@@ -66,7 +66,7 @@ function Internals.to_hypre_data(
 
     # Keep track of the last index used for every row
     lastinds = zeros(Int, nrows)
-    cumsum!((@view lastinds[2:end]), (@view ncols[1:end-1]))
+    cumsum!((@view lastinds[2:end]), (@view ncols[1:(end - 1)]))
 
     # Second pass to populate the output. Here we need to map column
     # indices from own/ghost to global
@@ -149,11 +149,11 @@ function Internals.to_hypre_data(
     return nrows, ncols, rows, cols, values
 end
 
-function Internals.get_comm(A::Union{PSparseMatrix{<:Any,<:M}, PVector{<:Any,<:M}}) where M <: MPIArray
+function Internals.get_comm(A::Union{PSparseMatrix{<:Any, <:M}, PVector{<:Any, <:M}}) where {M <: MPIArray}
     return partition(A).comm
 end
 
-Internals.get_comm(_::Union{PSparseMatrix,PVector}) = MPI.COMM_SELF
+Internals.get_comm(_::Union{PSparseMatrix, PVector}) = MPI.COMM_SELF
 
 function Internals.get_proc_rows(A::Union{PSparseMatrix, PVector})
     ilower::HYPRE_BigInt = typemax(HYPRE_BigInt)
@@ -238,10 +238,10 @@ function copy_check(dst::HYPREVector, src::PVector)
     il_src, iu_src = Internals.get_proc_rows(src)
     if il_dst != il_src && iu_dst != iu_src
         # TODO: Why require this?
-        throw(ArgumentError(
-            "row owner mismatch between dst ($(il_dst:iu_dst)) and src ($(il_src:iu_src))"
-        ))
+        msg = "row owner mismatch between dst ($(il_dst:iu_dst)) and src ($(il_src:iu_src))"
+        throw(ArgumentError(msg))
     end
+    return
 end
 
 # TODO: Other eltypes could be support by using a intermediate buffer

ext/HYPRESparseArrays.jl

@@ -33,7 +33,7 @@ function Internals.to_hypre_data(A::SparseMatrixCSC, ilower, iupper)
 
     # Keep track of the last index used for every row
     lastinds = zeros(Int, nrows)
-    cumsum!((@view lastinds[2:end]), (@view ncols[1:end-1]))
+    cumsum!((@view lastinds[2:end]), (@view ncols[1:(end - 1)]))
 
     # Second pass to populate the output
     @inbounds for j in 1:size(A, 2)
@@ -59,7 +59,7 @@ function HYPRE.HYPREMatrix(comm::MPI.Comm, B::SparseMatrixCSC, ilower, iupper)
 end
 
 # Note: keep in sync with the SparseMatrixCSC method
-function HYPRE.HYPREMatrix(B::SparseMatrixCSC, ilower=1, iupper=size(B, 1))
+function HYPRE.HYPREMatrix(B::SparseMatrixCSC, ilower = 1, iupper = size(B, 1))
     return HYPREMatrix(MPI.COMM_SELF, B, ilower, iupper)
 end
 

ext/HYPRESparseMatricesCSR.jl

@@ -53,7 +53,7 @@ function HYPRE.HYPREMatrix(comm::MPI.Comm, B::SparseMatrixCSR, ilower, iupper)
 end
 
 # Note: keep in sync with the SparseMatrixCSC method
-function HYPRE.HYPREMatrix(B::SparseMatrixCSR, ilower=1, iupper=size(B, 1))
+function HYPRE.HYPREMatrix(B::SparseMatrixCSR, ilower = 1, iupper = size(B, 1))
     return HYPREMatrix(MPI.COMM_SELF, B, ilower, iupper)
 end
 

gen/generator.jl

@@ -21,12 +21,15 @@ push!(args, "-DHYPRE_ENABLE_CUDA_STREAMS=OFF")
 push!(args, "-DHYPRE_ENABLE_CUSPARSE=OFF")
 push!(args, "-DHYPRE_ENABLE_CURAND=OFF")
 
-headers = joinpath.(hypre_include_dir, [
-    "HYPRE.h",
-    "HYPRE_IJ_mv.h",
-    "HYPRE_parcsr_mv.h",
-    "HYPRE_parcsr_ls.h",
-])
+headers = joinpath.(
+    hypre_include_dir,
+    [
+        "HYPRE.h",
+        "HYPRE_IJ_mv.h",
+        "HYPRE_parcsr_mv.h",
+        "HYPRE_parcsr_ls.h",
+    ]
+)
 
 ctx = create_context(headers, args, options)
 

gen/prologue.jl

@@ -1,6 +1,8 @@
 using MPI: MPI, MPI_Comm
-if isdefined(MPI, :API) # MPI >= 0.20.0
+if isdefined(MPI, :API)
+    # MPI >= 0.20.0
     using MPI.API: MPI_INT, MPI_DOUBLE
-else # MPI < 0.20.0
+else
+    # MPI < 0.20.0
     using MPI: MPI_INT, MPI_DOUBLE
 end

gen/solver_options.jl

@@ -5,7 +5,7 @@ function generate_options(io, structname, prefixes...)
     println(io, "function Internals.set_options(solver::$(structname), kwargs)")
     println(io, "    for (k, v) in kwargs")
 
-    ns = Tuple{Symbol,String}[]
+    ns = Tuple{Symbol, String}[]
     for prefix in prefixes, n in names(LibHYPRE)
         r = Regex("^" * prefix * "([A-Z].*)\$")
         if (m = match(r, string(n)); m !== nothing)
@@ -43,6 +43,7 @@ function generate_options(io, structname, prefixes...)
     println(io, "        end")
     println(io, "    end")
     println(io, "end")
+    return
 end
 
 open(joinpath(@__DIR__, "..", "src", "solver_options.jl"), "w") do io

src/HYPRE.jl

@@ -25,7 +25,7 @@ initialized.
 
 **Note**: This function *must* be called before using HYPRE functions.
 """
-function Init(; finalize_atexit=true)
+function Init(; finalize_atexit = true)
     if !(MPI.Initialized())
         MPI.Init()
     end
@@ -65,8 +65,11 @@ end
 Base.unsafe_convert(::Type{HYPRE_IJMatrix}, A::HYPREMatrix) = A.ijmatrix
 Base.unsafe_convert(::Type{HYPRE_ParCSRMatrix}, A::HYPREMatrix) = A.parmatrix
 
-function HYPREMatrix(comm::MPI.Comm, ilower::Integer,        iupper::Integer,
-                                     jlower::Integer=ilower, jupper::Integer=iupper)
+function HYPREMatrix(
+        comm::MPI.Comm,
+        ilower::Integer, iupper::Integer,
+        jlower::Integer = ilower, jupper::Integer = iupper
+    )
     # Create the IJ matrix
     A = HYPREMatrix(comm, ilower, iupper, jlower, jupper, C_NULL, C_NULL)
     ijmatrix_ref = Ref{HYPRE_IJMatrix}(C_NULL)
@@ -191,6 +194,7 @@ function Internals.check_n_rows(A, ilower, iupper)
     if size(A, 1) != (iupper - ilower + 1)
         throw(ArgumentError("number of rows in matrix does not match global start/end rows ilower and iupper"))
     end
+    return
 end
 
 function Internals.to_hypre_data(x::Vector, ilower, iupper)
@@ -209,8 +213,9 @@ function HYPREVector(comm::MPI.Comm, x::Vector, ilower, iupper)
     return b
 end
 
-HYPREVector(x::Vector, ilower=1, iupper=length(x)) =
-    HYPREVector(MPI.COMM_SELF, x, ilower, iupper)
+function HYPREVector(x::Vector, ilower = 1, iupper = length(x))
+    return HYPREVector(MPI.COMM_SELF, x, ilower, iupper)
+end
 
 # TODO: Other eltypes could be support by using a intermediate buffer
 function Base.copy!(dst::Vector{HYPRE_Complex}, src::HYPREVector)

src/LibHYPRE.jl

@@ -80,7 +80,7 @@ macro check(arg)
 end
 
 # Export everything with HYPRE_ prefix
-for name in names(@__MODULE__; all=true)
+for name in names(@__MODULE__; all = true)
     if startswith(string(name), "HYPRE_")
         @eval export $name
     end
@@ -92,6 +92,7 @@ function __init__()
     patch_ref = Ref{HYPRE_Int}(-1)
     @check HYPRE_VersionNumber(major_ref, minor_ref, patch_ref, C_NULL)
     global VERSION = VersionNumber(major_ref[], minor_ref[], patch_ref[])
+    return
 end
 
 end

src/solver_options.jl

@@ -29,6 +29,7 @@ function Internals.set_options(solver::BiCGSTAB, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.BiCGSTAB"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::BoomerAMG, kwargs)
@@ -285,6 +286,7 @@ function Internals.set_options(solver::BoomerAMG, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.BoomerAMG"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::FlexGMRES, kwargs)
@@ -314,6 +316,7 @@ function Internals.set_options(solver::FlexGMRES, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.FlexGMRES"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::GMRES, kwargs)
@@ -347,6 +350,7 @@ function Internals.set_options(solver::GMRES, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.GMRES"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::Hybrid, kwargs)
@@ -456,6 +460,7 @@ function Internals.set_options(solver::Hybrid, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.Hybrid"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::ILU, kwargs)
@@ -490,6 +495,7 @@ function Internals.set_options(solver::ILU, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.ILU"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::ParaSails, kwargs)
@@ -510,6 +516,7 @@ function Internals.set_options(solver::ParaSails, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.ParaSails"))
         end
     end
+    return
 end
 
 function Internals.set_options(solver::PCG, kwargs)
@@ -547,4 +554,5 @@ function Internals.set_options(solver::PCG, kwargs)
             throw(ArgumentError("unknown option $k for HYPRE.PCG"))
         end
     end
+    return
 end

src/solvers.jl

@@ -17,6 +17,7 @@ function Internals.safe_finalizer(Destroy, solver)
             s.solver = C_NULL
         end
     end
+    return
 end
 
 # Defining unsafe_convert enables ccall to automatically convert solver::HYPRESolver to
@@ -71,8 +72,8 @@ Create a `BiCGSTAB` solver. See HYPRE API reference for details and supported se
 mutable struct BiCGSTAB <: HYPRESolver
     comm::MPI.Comm
     solver::HYPRE_Solver
-    precond::Union{HYPRESolver,Nothing}
-    function BiCGSTAB(comm::MPI.Comm=MPI.COMM_NULL; kwargs...)
+    precond::Union{HYPRESolver, Nothing}
+    function BiCGSTAB(comm::MPI.Comm = MPI.COMM_NULL; kwargs...)
         # comm defaults to COMM_NULL since it is unused in HYPRE_ParCSRBiCGSTABCreate
         solver = new(comm, C_NULL, nothing)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)
@@ -166,8 +167,8 @@ Create a `FlexGMRES` solver. See HYPRE API reference for details and supported s
 mutable struct FlexGMRES <: HYPRESolver
     comm::MPI.Comm
     solver::HYPRE_Solver
-    precond::Union{HYPRESolver,Nothing}
-    function FlexGMRES(comm::MPI.Comm=MPI.COMM_NULL; kwargs...)
+    precond::Union{HYPRESolver, Nothing}
+    function FlexGMRES(comm::MPI.Comm = MPI.COMM_NULL; kwargs...)
         # comm defaults to COMM_NULL since it is unused in HYPRE_ParCSRFlexGMRESCreate
         solver = new(comm, C_NULL, nothing)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)
@@ -251,8 +252,8 @@ Create a `GMRES` solver. See HYPRE API reference for details and supported setti
 mutable struct GMRES <: HYPRESolver
     comm::MPI.Comm
     solver::HYPRE_Solver
-    precond::Union{HYPRESolver,Nothing}
-    function GMRES(comm::MPI.Comm=MPI.COMM_NULL; kwargs...)
+    precond::Union{HYPRESolver, Nothing}
+    function GMRES(comm::MPI.Comm = MPI.COMM_NULL; kwargs...)
         # comm defaults to COMM_NULL since it is unused in HYPRE_ParCSRGMRESCreate
         solver = new(comm, C_NULL, nothing)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)
@@ -299,7 +300,7 @@ Create a `Hybrid` solver. See HYPRE API reference for details and supported sett
 """
 mutable struct Hybrid <: HYPRESolver
     solver::HYPRE_Solver
-    precond::Union{HYPRESolver,Nothing}
+    precond::Union{HYPRESolver, Nothing}
     function Hybrid(; kwargs...)
         solver = new(C_NULL, nothing)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)
@@ -396,7 +397,7 @@ settings.
 mutable struct ParaSails <: HYPRESolver
     comm::MPI.Comm
     solver::HYPRE_Solver
-    function ParaSails(comm::MPI.Comm=MPI.COMM_WORLD; kwargs...)
+    function ParaSails(comm::MPI.Comm = MPI.COMM_WORLD; kwargs...)
         # Note: comm is used in this solver so default to COMM_WORLD
         solver = new(comm, C_NULL)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)
@@ -432,7 +433,7 @@ mutable struct PCG <: HYPRESolver
     comm::MPI.Comm
     solver::HYPRE_Solver
     precond::Union{HYPRESolver, Nothing}
-    function PCG(comm::MPI.Comm=MPI.COMM_NULL; kwargs...)
+    function PCG(comm::MPI.Comm = MPI.COMM_NULL; kwargs...)
         # comm defaults to COMM_NULL since it is unused in HYPRE_ParCSRPCGCreate
         solver = new(comm, C_NULL, nothing)
         solver_ref = Ref{HYPRE_Solver}(C_NULL)

test/runtests.jl

@@ -31,11 +31,10 @@ end
 
 @testset "HYPREMatrix(::SparseMatrixCS(C|R))" begin
     ilower, iupper = 4, 6
-    CSC = convert(SparseMatrixCSC{HYPRE_Complex, HYPRE_Int}, sparse([
-        1 2 0 0 3
-        0 4 0 5 0
-        0 6 7 0 8
-    ]))
+    CSC = convert(
+        SparseMatrixCSC{HYPRE_Complex, HYPRE_Int},
+        sparse([1 2 0 0 3; 0 4 0 5 0; 0 6 7 0 8])
+    )
     CSR = sparsecsr(findnz(CSC)..., size(CSC)...)
     @test CSC == CSR
     csc = Internals.to_hypre_data(CSC, ilower, iupper)
@@ -52,8 +51,8 @@ end
     @test csr[5] == CSR.nzval
     @test_broken csr[5]::Vector{HYPRE_Complex} === CSR.nzval
 
-    @test_throws ArgumentError Internals.to_hypre_data(CSC, ilower, iupper-1)
-    @test_throws ArgumentError Internals.to_hypre_data(CSR, ilower, iupper+1)
+    @test_throws ArgumentError Internals.to_hypre_data(CSC, ilower, iupper - 1)
+    @test_throws ArgumentError Internals.to_hypre_data(CSR, ilower, iupper + 1)
 
     ilower, iupper = 6, 10
     CSC = sprand(5, 10, 0.3)
@@ -70,7 +69,7 @@ end
     H = HYPREMatrix(CSR, ilower, iupper)
     @test H.ijmatrix != HYPRE_IJMatrix(C_NULL)
     @test H.parmatrix != HYPRE_ParCSRMatrix(C_NULL)
-    H = HYPREMatrix(MPI.COMM_WORLD, CSR, ilower,  iupper)
+    H = HYPREMatrix(MPI.COMM_WORLD, CSR, ilower, iupper)
     @test H.ijmatrix != HYPRE_IJMatrix(C_NULL)
     @test H.parmatrix != HYPRE_ParCSRMatrix(C_NULL)
 
@@ -183,7 +182,6 @@ end
 end
 
 
-
 @testset "HYPREVector" begin
     h = HYPREVector(MPI.COMM_WORLD, 1, 5)
     @test h.ijvector != HYPRE_IJVector(C_NULL)
@@ -283,7 +281,7 @@ end
         @test H === H′
         pbc = similar(pb)
         copy!(pbc, H)
-        @test pbc == 2*pb
+        @test pbc == 2 * pb
     end
 end
 
@@ -360,16 +358,16 @@ end
     b_h = HYPREVector(b)
     x_h = HYPREVector(x)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     bicg = HYPRE.BiCGSTAB(; Tol = tol)
     HYPRE.solve!(bicg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(bicg, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(bicg) < tol
     @test HYPRE.GetNumIterations(bicg) > 0
@@ -381,11 +379,11 @@ end
     HYPRE.solve!(bicg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(bicg, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Tests Internals.set_precond_defaults for BoomerAMG
     precond = HYPRE.BoomerAMG()
     bicg = HYPRE.BiCGSTAB(; Tol = tol, Precond = precond)
@@ -393,7 +391,7 @@ end
     HYPRE.solve!(bicg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 @testset "BoomerAMG" begin
@@ -407,11 +405,11 @@ end
     for i in 1:99
         k = (1 + rand()) * [1.0 -1.0; -1.0 1.0]
         append!(V, k)
-        append!(I, [i, i+1, i, i+1]) # rows
-        append!(J, [i, i, i+1, i+1]) # cols
+        append!(I, [i, i + 1, i, i + 1]) # rows
+        append!(J, [i, i, i + 1, i + 1]) # cols
     end
     A = sparse(I, J, V)
-    A[:, 1] .= 0; A[1, :] .= 0; A[:, end] .= 0; A[end, :] .= 0;
+    A[:, 1] .= 0; A[1, :] .= 0; A[:, end] .= 0; A[end, :] .= 0
     A[1, 1] = 2; A[end, end] = 2
     @test isposdef(A)
     b = rand(100)
@@ -421,7 +419,7 @@ end
     b_h = HYPREVector(b, ilower, iupper)
     x_h = HYPREVector(b, ilower, iupper)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     amg = HYPRE.BoomerAMG(; Tol = tol)
     HYPRE.solve!(amg, x_h, A_h, b_h)
     copy!(x, x_h)
@@ -451,16 +449,16 @@ end
     b_h = HYPREVector(b)
     x_h = HYPREVector(x)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     gmres = HYPRE.FlexGMRES(; Tol = tol)
     HYPRE.solve!(gmres, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(gmres, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(gmres) < tol
     @test HYPRE.GetNumIterations(gmres) > 0
@@ -472,11 +470,11 @@ end
     HYPRE.solve!(gmres, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(gmres, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 
@@ -494,16 +492,16 @@ end
     b_h = HYPREVector(b)
     x_h = HYPREVector(x)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     gmres = HYPRE.GMRES(; Tol = tol)
     HYPRE.solve!(gmres, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(gmres, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(gmres) < tol
     @test HYPRE.GetNumIterations(gmres) > 0
@@ -515,11 +513,11 @@ end
     HYPRE.solve!(gmres, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(gmres, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 @testset "Hybrid" begin
@@ -536,16 +534,16 @@ end
     b_h = HYPREVector(b)
     x_h = HYPREVector(x)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     hybrid = HYPRE.Hybrid(; Tol = tol)
     HYPRE.solve!(hybrid, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(hybrid, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(hybrid) < tol
     @test HYPRE.GetNumIterations(hybrid) > 0
@@ -557,11 +555,11 @@ end
     HYPRE.solve!(hybrid, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(hybrid, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 
@@ -579,16 +577,16 @@ end
     b_h = HYPREVector(b)
     x_h = HYPREVector(x)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     ilu = HYPRE.ILU(; Tol = tol)
     HYPRE.solve!(ilu, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(ilu, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(ilu) < tol
     @test HYPRE.GetNumIterations(ilu) > 0
@@ -600,11 +598,11 @@ end
     HYPRE.solve!(pcg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(pcg, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 
@@ -623,13 +621,13 @@ end
     b_h = HYPREVector(b, ilower, iupper)
     x_h = HYPREVector(b, ilower, iupper)
     # Solve with ParaSails as preconditioner
-    tol = 1e-9
+    tol = 1.0e-9
     parasails = HYPRE.ParaSails()
     pcg = HYPRE.PCG(; Tol = tol, Precond = parasails)
     HYPRE.solve!(pcg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries (should error)
     @test_throws ArgumentError("cannot get residual norm for HYPRE.ParaSails") HYPRE.GetFinalRelativeResidualNorm(parasails)
     @test_throws ArgumentError("cannot get number of iterations for HYPRE.ParaSails") HYPRE.GetNumIterations(parasails)
@@ -650,16 +648,16 @@ end
     b_h = HYPREVector(b, ilower, iupper)
     x_h = HYPREVector(b, ilower, iupper)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     pcg = HYPRE.PCG(; Tol = tol)
     HYPRE.solve!(pcg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(pcg, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test solver queries
     @test HYPRE.GetFinalRelativeResidualNorm(pcg) < tol
     @test HYPRE.GetNumIterations(pcg) > 0
@@ -671,11 +669,11 @@ end
     HYPRE.solve!(pcg, x_h, A_h, b_h)
     copy!(x, x_h)
     # Test result with direct solver
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
     # Test without passing initial guess
     x_h = HYPRE.solve(pcg, A_h, b_h)
     copy!(x, x_h)
-    @test x ≈ A \ b atol=tol
+    @test x ≈ A \ b atol = tol
 end
 
 function topartitioned(x::Vector, A::SparseMatrixCSC, b::Vector, backend)
@@ -713,18 +711,18 @@ end
         end
 
         # Solve
-        tol = 1e-9
+        tol = 1.0e-9
         pcg = HYPRE.PCG(; Tol = tol)
         ## solve!
         HYPRE.solve!(pcg, x_p, A_p, b_p)
-        ref = A\b
+        ref = A \ b
         map(local_values(x_p)) do x
-            @test x ≈ ref atol=tol
+            @test x ≈ ref atol = tol
         end
         ## solve
         x_p = HYPRE.solve(pcg, A_p, b_p)
         map(local_values(x_p)) do x
-            @test x ≈ ref atol=tol
+            @test x ≈ ref atol = tol
         end
     end
 end
@@ -737,24 +735,27 @@ end
     xcsc = zeros(100)
     xcsr = zeros(100)
     # Solve
-    tol = 1e-9
+    tol = 1.0e-9
     pcg = HYPRE.PCG(; Tol = tol)
     ## solve!
     HYPRE.solve!(pcg, xcsc, CSC, b)
-    @test xcsc ≈ CSC \ b atol=tol
+    @test xcsc ≈ CSC \ b atol = tol
     HYPRE.solve!(pcg, xcsr, CSR, b)
-    @test xcsr ≈ CSC \ b atol=tol # TODO: CSR \ b fails
+    @test xcsr ≈ CSC \ b atol = tol # TODO: CSR \ b fails
     ## solve
     xcsc = HYPRE.solve(pcg, CSC, b)
-    @test xcsc ≈ CSC \ b atol=tol
+    @test xcsc ≈ CSC \ b atol = tol
     xcsr = HYPRE.solve(pcg, CSR, b)
-    @test xcsr ≈ CSC \ b atol=tol # TODO: CSR \ b fails
+    @test xcsr ≈ CSC \ b atol = tol # TODO: CSR \ b fails
 end
 
 @testset "MPI execution" begin
-    testfiles = joinpath.(@__DIR__, [
-        "test_assembler.jl",
-    ])
+    testfiles = joinpath.(
+        @__DIR__,
+        [
+            "test_assembler.jl",
+        ]
+    )
     for file in testfiles
         r = run(ignorestatus(`$(mpiexec()) -n 2 $(Base.julia_cmd()) $(file)`))
         @test r.exitcode == 0

test/test_assembler.jl

@@ -30,11 +30,13 @@ end
 function values_and_indices(n)
     idx = [n - 1, n, n + 1]
     a = Float64[
-          n -2n  -n
-        -2n   n -2n
-         -n -2n   n
+        # runic: off
+          n  -2n   -n
+        -2n    n  -2n
+         -n  -2n    n
+        # runic: on
     ]
-    b = Float64[n, n/2, n/3]
+    b = Float64[n, n / 2, n / 3]
     return idx, a, b
 end