early-access version 2853
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26
externals/vcpkg/ports/eigen3/fix-vectorized-reductions-half.patch
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26
externals/vcpkg/ports/eigen3/fix-vectorized-reductions-half.patch
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Executable file
@@ -0,0 +1,26 @@
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diff --git a/Eigen/src/Core/PartialReduxEvaluator.h b/Eigen/src/Core/PartialReduxEvaluator.h
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index 29abf35..4051fcf 100644
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--- a/Eigen/src/Core/PartialReduxEvaluator.h
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+++ b/Eigen/src/Core/PartialReduxEvaluator.h
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@@ -54,12 +54,19 @@ struct packetwise_redux_traits
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/* Value to be returned when size==0 , by default let's return 0 */
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template<typename PacketType,typename Func>
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EIGEN_DEVICE_FUNC
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-PacketType packetwise_redux_empty_value(const Func& ) { return pset1<PacketType>(0); }
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+PacketType packetwise_redux_empty_value(const Func& ) {
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+ const typename unpacket_traits<PacketType>::type zero(0);
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+ return pset1<PacketType>(zero);
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+}
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+
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/* For products the default is 1 */
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template<typename PacketType,typename Scalar>
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EIGEN_DEVICE_FUNC
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-PacketType packetwise_redux_empty_value(const scalar_product_op<Scalar,Scalar>& ) { return pset1<PacketType>(1); }
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+PacketType packetwise_redux_empty_value(const scalar_product_op<Scalar,Scalar>& ) {
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+ return pset1<PacketType>(Scalar(1));
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+}
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+
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/* Perform the actual reduction */
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template<typename Func, typename Evaluator,
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