update SL.jl
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SL.jl
112
SL.jl
@ -5,41 +5,57 @@ import SCS.SCSSolver
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using PropertyT
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using PropertyT
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function E(i::Int, j::Int, M::Nemo.MatSpace)
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###############################################################################
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#
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# Generating set
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#
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###############################################################################
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function E(i::Int, j::Int, M::MatSpace, val=one(M.base_ring))
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@assert i≠j
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@assert i≠j
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m = one(M)
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m = one(M)
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m[i,j] = m[1,1]
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m[i,j] = val
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return m
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return m
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end
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end
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function SL_generatingset(n::Int)
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indexing = [(i,j) for i in 1:n for j in 1:n if i≠j]
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G = Nemo.MatrixSpace(Nemo.ZZ, n,n)
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S = [E(i,j,G) for (i,j) in indexing];
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S = vcat(S, [transpose(x) for x in S]);
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return unique(S)
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end
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function SLsize(n,p)
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function SLsize(n,p)
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result = 1
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result = BigInt(1)
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for k in 0:n-1
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for k in 0:n-1
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result *= p^n - p^k
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result *= p^n - p^k
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end
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end
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return div(result, p-1)
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return div(result, p-1)
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end
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end
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function SL_generatingset(n::Int, p::Int)
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function SL_generatingset(n::Int, X::Bool=false)
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p == 0 && return SL_generatingset(n)
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indexing = [(i,j) for i in 1:n for j in 1:n if i≠j]
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(p > 1 && n > 0) || throw(ArgumentError("Both n and p should be positive integers!"))
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G = MatrixSpace(ZZ, n, n)
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println("Size(SL($n,$p)) = $(SLsize(n,p))")
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if X
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F = Nemo.ResidueRing(Nemo.ZZ, p)
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S = [E(i,j,G,v) for (i,j) in indexing for v in [1, 100]]
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G = Nemo.MatrixSpace(F, n,n)
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else
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S = [E(i,j,G,v) for (i,j) in indexing for v in [1]]
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end
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S = vcat(S, [inv(x) for x in S])
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return G, unique(S)
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end
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function SL_generatingset(n::Int, p::Int, X::Bool=false)
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p == 0 && return SL_generatingset(n, X)
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(p > 1 && n > 1) || throw("Both n and p should be positive integers!")
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info("Size(SL($n,$p)) = $(SLsize(n,p))")
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F = ResidueRing(ZZ, p)
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G = MatrixSpace(F, n, n)
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indexing = [(i,j) for i in 1:n for j in 1:n if i≠j]
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indexing = [(i,j) for i in 1:n for j in 1:n if i≠j]
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S = [E(i, j, G) for (i,j) in indexing]
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S = [E(i, j, G) for (i,j) in indexing]
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S = vcat(S, [transpose(x) for x in S])
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S = vcat(S, [inv(x) for x in S])
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return unique(S)
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return G, unique(S)
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end
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end
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###############################################################################
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#
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# Parsing command line
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#
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###############################################################################
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function cpuinfo_physicalcores()
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function cpuinfo_physicalcores()
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maxcore = -1
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maxcore = -1
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for line in eachline("/proc/cpuinfo")
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for line in eachline("/proc/cpuinfo")
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@ -52,40 +68,40 @@ function cpuinfo_physicalcores()
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end
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end
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function parse_commandline()
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function parse_commandline()
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s = ArgParseSettings()
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settings = ArgParseSettings()
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@add_arg_table s begin
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@add_arg_table settings begin
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"--tol"
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"--tol"
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help = "set numerical tolerance for the SDP solver (default: 1e-5)"
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help = "set numerical tolerance for the SDP solver"
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arg_type = Float64
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arg_type = Float64
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default = 1e-5
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default = 1e-6
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"--iterations"
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"--iterations"
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help = "set maximal number of iterations for the SDP solver (default: 20000)"
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help = "set maximal number of iterations for the SDP solver (default: 20000)"
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arg_type = Int
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arg_type = Int
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default = 20000
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default = 50000
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"--upper-bound"
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"--upper-bound"
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help = "Set an upper bound for the spectral gap (default: Inf)"
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help = "Set an upper bound for the spectral gap"
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arg_type = Float64
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arg_type = Float64
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default = Inf
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default = Inf
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"--cpus"
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"--cpus"
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help = "Set number of cpus used by solver (default: auto)"
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help = "Set number of cpus used by solver"
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arg_type = Int
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arg_type = Int
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required = false
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required = false
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"-N"
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"-N"
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help = "Consider matrices of size N (default: N=3)"
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help = "Consider elementary matrices EL(N)"
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arg_type = Int
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arg_type = Int
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default = 3
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default = 2
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"-p"
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"-p"
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help = "Matrices over filed of p-elements (default: p=0 => over ZZ)"
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help = "Matrices over field of p-elements (p=0 => over ZZ)"
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arg_type = Int
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arg_type = Int
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default = 0
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default = 0
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"--radius"
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"--radius"
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help = "Find the decomposition over B_r(e,S)"
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help = "Radius of ball B_r(e,S) to find solution over"
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arg_type = Int
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arg_type = Int
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default = 2
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default = 2
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end
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end
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return parse_args(s)
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return parse_args(settings)
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end
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end
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function main()
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function main()
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@ -95,40 +111,40 @@ function main()
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if parsed_args["cpus"] > cpuinfo_physicalcores()
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if parsed_args["cpus"] > cpuinfo_physicalcores()
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warn("Number of specified cores exceeds the physical core cound. Performance will suffer.")
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warn("Number of specified cores exceeds the physical core cound. Performance will suffer.")
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end
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end
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Blas.set_num_threads(parsed_args["cpus"])
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BLAS.set_num_threads(parsed_args["cpus"])
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end
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end
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tol = parsed_args["tol"]
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iterations = parsed_args["iterations"]
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solver = SCSSolver(eps=tol, max_iters=iterations, linearsolver=SCS.Direct)
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N = parsed_args["N"]
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N = parsed_args["N"]
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upper_bound = parsed_args["upper-bound"]
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p = parsed_args["p"]
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p = parsed_args["p"]
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if p == 0
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if p == 0
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name = "SL$(N)Z"
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dirname = "SL$(N)Z"
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else
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else
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name = "SL$(N)_$p"
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dirname = "SL$(N)_$p"
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end
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end
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radius = parsed_args["radius"]
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radius = parsed_args["radius"]
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tol = parsed_args["tol"]
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iterations = parsed_args["iterations"]
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upper_bound = parsed_args["upper-bound"]
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name = "$(name)_$(upper_bound)_r=$radius"
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dirname = "$(dirname)_$(upper_bound)_r=$radius"
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logger = PropertyT.setup_logging(name)
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logger = PropertyT.setup_logging(dirname)
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info(logger, "Group: $name")
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info(logger, "Group: $dirname")
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info(logger, "Iterations: $iterations")
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info(logger, "Iterations: $iterations")
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info(logger, "Precision: $tol")
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info(logger, "Precision: $tol")
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info(logger, "Upper bound: $upper_bound")
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info(logger, "Upper bound: $upper_bound")
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S = SL_generatingset(N, p)
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G, S = SL_generatingset(N, p)
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S = unique([S; [inv(s) for s in S]])
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info(logger, G)
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Id = one(parent(S[1]))
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info(logger, "Symmetric generating set of size $(length(S))")
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Id = one(G)
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@time PropertyT.check_property_T(name, S, Id, solver, upper_bound, tol, radius)
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solver = SCSSolver(eps=tol, max_iters=iterations, linearsolver=SCS.Direct)
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@time PropertyT.check_property_T(dirname, S, Id, solver, upper_bound, tol, radius)
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return 0
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return 0
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end
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end
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