tExplicitly state that grain-array values are undefined - Granular.jl - Julia package for granular dynamics simulation
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       ---
   DIR commit 996fbe5550368a30b746216a1ac5e1d89501f2fd
   DIR parent b4be6350613aa95a9711cc54f87b8cb45f025322
  HTML Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Wed,  6 Jun 2018 12:57:25 -0400
       
       Explicitly state that grain-array values are undefined
       
       Diffstat:
         M src/grain.jl                        |       5 +++--
       
       1 file changed, 3 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/src/grain.jl b/src/grain.jl
       t@@ -209,8 +209,9 @@ function addGrainCylindrical!(simulation::Simulation,
            end
        
            contacts::Array{Int, 1} = zeros(Int, simulation.Nc_max)
       -    position_vector = Vector{Vector{Float64}}(simulation.Nc_max)
       -    contact_parallel_displacement = Vector{Vector{Float64}}(simulation.Nc_max)
       +    position_vector = Vector{Vector{Float64}}(undef, simulation.Nc_max)
       +    contact_parallel_displacement =
       +        Vector{Vector{Float64}}(undef, simulation.Nc_max)
            contact_rotation::Vector{Float64} = zeros(Float64, simulation.Nc_max)
            contact_age::Vector{Float64} = zeros(Float64, simulation.Nc_max)
            for i=1:simulation.Nc_max