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add set_randomseed to libsingular_julia #680

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merged 2 commits into from
Jul 28, 2023
Merged

add set_randomseed to libsingular_julia #680

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ecd4f9f
add set_randomseed to libsingular_julia
hannes14 Jul 20, 2023
0428c78
add test and acces to Singular random generator
hannes14 Jul 28, 2023
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14 changes: 14 additions & 0 deletions deps/src/singular.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,20 @@ JLCXX_MODULE define_julia_module(jlcxx::Module & Singular)
return old_mu;
});

Singular.method("set_randomseed", [](int m) {
int old_m=siSeed;
if (m != 0)
{
siSeed=m;
factoryseed(m);
}
return old_m;
});

Singular.method("random", []() {
return siRand();
});

singular_define_coeffs(Singular);
singular_define_rings(Singular);
singular_define_ideals(Singular);
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6 changes: 6 additions & 0 deletions test/caller-test.jl
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Expand Up @@ -243,3 +243,9 @@ end
GC.gc(true)
@test length(string(a)) > 2
end

@testset "random" begin
Singular.libSingular.set_randomseed(1)
@test Singular.libSingular.random() == 16807
@test Singular.libSingular.random() == 282475249
end