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Fix plog(+INF): it returned ~87 instead of +INF

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This commit is contained in:
Gael Guennebaud
2018-12-23 15:40:52 +01:00
parent 6dd93f7e3b
commit 5713fb7feb
2 changed files with 16 additions and 6 deletions
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7
test/packetmath.cpp
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@@ -520,10 +520,11 @@ template<typename Scalar,typename Packet> void packetmath_real()
CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasErfc, std::erfc, internal::perfc);
#endif
if(PacketTraits::HasLog && PacketSize>=2)
if(PacketSize>=2)
{
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
data1[1] = std::numeric_limits<Scalar>::epsilon();
if(PacketTraits::HasLog)
{
packet_helper<PacketTraits::HasLog,Packet> h;
h.store(data2, internal::plog(h.load(data1)));
@@ -551,6 +552,10 @@ template<typename Scalar,typename Packet> void packetmath_real()
data1[0] = Scalar(-1.0f);
h.store(data2, internal::plog(h.load(data1)));
VERIFY((numext::isnan)(data2[0]));
data1[0] = std::numeric_limits<Scalar>::infinity();
h.store(data2, internal::plog(h.load(data1)));
VERIFY((numext::isinf)(data2[0]));
}
{
packet_helper<PacketTraits::HasSqrt,Packet> h;