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Fix bug #859: pexp(NaN) returned Inf instead of NaN

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This commit is contained in:
Gael Guennebaud
2014-10-20 11:38:51 +02:00
parent b4a9b3f496
commit aa5f79206f
4 changed files with 27 additions and 21 deletions
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6
test/packetmath.cpp
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@@ -297,6 +297,12 @@ template<typename Scalar> void packetmath_real()
data2[i] = internal::random<Scalar>(-87,88);
}
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasExp, std::exp, internal::pexp);
{
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
packet_helper<internal::packet_traits<Scalar>::HasExp,Packet> h;
h.store(data2, internal::pexp(h.load(data1)));
VERIFY(isNaN(data2[0]));
}
for (int i=0; i<size; ++i)
{