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# This file is a part of Julia. License is MIT: https://julialang.org/license
using Test, Random
using SuiteSparse, LinearAlgebra, SparseArrays
if Base.USE_GPL_LIBS
include("umfpack.jl")
include("cholmod.jl")
include("spqr.jl")
# Test multithreaded execution
let p, cmd = `$(Base.julia_cmd()) --depwarn=error --startup-file=no threads.jl`
# test both nthreads==1 and nthreads>1. spawn a process to test whichever
# case we are not running currently.
other_nthreads = Threads.nthreads() == 1 ? 4 : 1
p = run(
pipeline(
setenv(
cmd,
"JULIA_NUM_THREADS" => other_nthreads,
dir=@__DIR__()),
stdout = stdout,
stderr = stderr),
wait = false)
include("threads.jl")
if !success(p)
error("SuiteSparse threads test failed with nthreads == $other_nthreads")
end
end
end
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