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Created the pblend packet primitive and implemented it using SSE and AVX instructions.

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This commit is contained in:
Benoit Steiner
2014-06-06 20:18:44 -07:00
parent 79085e08e9
commit 29aebf96e6
5 changed files with 90 additions and 4 deletions
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16
test/packetmath.cpp
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@@ -261,6 +261,22 @@ template<typename Scalar> void packetmath()
VERIFY(isApproxAbs(data2[j], data1[i+j*PacketSize], refvalue) && "ptranspose");
}
}
if (internal::packet_traits<Scalar>::HasBlend) {
Packet thenPacket = internal::pload<Packet>(data1);
Packet elsePacket = internal::pload<Packet>(data2);
EIGEN_ALIGN_DEFAULT internal::Selector<PacketSize> selector;
for (int i = 0; i < PacketSize; ++i) {
selector.select[i] = i;
}
Packet blend = internal::pblend(selector, thenPacket, elsePacket);
EIGEN_ALIGN_DEFAULT Scalar result[size];
internal::pstore(result, blend);
for (int i = 0; i < PacketSize; ++i) {
VERIFY(isApproxAbs(result[i], (selector.select[i] ? data1[i] : data2[i]), refvalue));
}
}
}
template<typename Scalar> void packetmath_real()