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Fix bug for atanh(-1).

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This commit is contained in:
Rasmus Munk Larsen
2024-09-03 20:54:01 +00:00
parent 66927f7807
commit f33af052e0
2 changed files with 22 additions and 20 deletions
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8
Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
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@@ -1222,8 +1222,10 @@ EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS Packet patanh_float(const Pa
const Packet x_gt_half = pcmp_le(half, pabs(x));
const Packet x_eq_one = pcmp_eq(one, pabs(x));
const Packet x_gt_one = pcmp_lt(one, pabs(x));
const Packet sign_mask = pset1<Packet>(-1.0f);
const Packet x_sign = pand(sign_mask, x);
const Packet inf = pset1<Packet>(std::numeric_limits<float>::infinity());
return por(x_gt_one, pselect(x_eq_one, por(psignbit(x), inf), pselect(x_gt_half, r, p)));
return por(x_gt_one, pselect(x_eq_one, por(x_sign, inf), pselect(x_gt_half, r, p)));
}
template <typename Packet>
@@ -1267,8 +1269,10 @@ EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS Packet patanh_double(const P
const Packet x_gt_half = pcmp_le(half, pabs(x));
const Packet x_eq_one = pcmp_eq(one, pabs(x));
const Packet x_gt_one = pcmp_lt(one, pabs(x));
const Packet sign_mask = pset1<Packet>(-1.0);
const Packet x_sign = pand(sign_mask, x);
const Packet inf = pset1<Packet>(std::numeric_limits<double>::infinity());
return por(x_gt_one, pselect(x_eq_one, por(psignbit(x), inf), pselect(x_gt_half, y_large, y_small)));
return por(x_gt_one, pselect(x_eq_one, por(x_sign, inf), pselect(x_gt_half, y_large, y_small)));
}
template <typename Packet>