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Fix edge-case in zeta for large inputs.

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This commit is contained in:
Antonio Sánchez
2022-03-08 21:21:20 +00:00
committed by Rasmus Munk Larsen
parent cd2ba9d03e
commit 9296bb4b93
2 changed files with 13 additions and 5 deletions
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8
unsupported/test/special_functions.cpp
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@@ -191,10 +191,10 @@ template<typename ArrayType> void array_special_functions()
// Check the zeta function against scipy.special.zeta
{
ArrayType x(10), q(10), res(10), ref(10);
x << 1.5, 4, 10.5, 10000.5, 3, 1, 0.9, 2, 3, 4;
q << 2, 1.5, 3, 1.0001, -2.5, 1.2345, 1.2345, -1, -2, -3;
ref << 1.61237534869, 0.234848505667, 1.03086757337e-5, 0.367879440865, 0.054102025820864097, plusinf, nan, plusinf, nan, plusinf;
ArrayType x(11), q(11), res(11), ref(11);
x << 1.5, 4, 10.5, 10000.5, 3, 1, 0.9, 2, 3, 4, 2000;
q << 2, 1.5, 3, 1.0001, -2.5, 1.2345, 1.2345, -1, -2, -3, 2000;
ref << 1.61237534869, 0.234848505667, 1.03086757337e-5, 0.367879440865, 0.054102025820864097, plusinf, nan, plusinf, nan, plusinf, 0;
CALL_SUBTEST( verify_component_wise(ref, ref); );
CALL_SUBTEST( res = x.zeta(q); verify_component_wise(res, ref); );
CALL_SUBTEST( res = zeta(x,q); verify_component_wise(res, ref); );