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https://gitlab.com/libeigen/eigen.git
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c1d944dd91
I cannot measure any performance changes for SSE, AVX, or AVX512. name old time/op new time/op delta BM_LinSpace<float>/1 1.63ns ± 0% 1.63ns ± 0% ~ (p=0.762 n=5+5) BM_LinSpace<float>/8 4.92ns ± 3% 4.89ns ± 3% ~ (p=0.421 n=5+5) BM_LinSpace<float>/64 34.6ns ± 0% 34.6ns ± 0% ~ (p=0.841 n=5+5) BM_LinSpace<float>/512 217ns ± 0% 217ns ± 0% ~ (p=0.421 n=5+5) BM_LinSpace<float>/4k 1.68µs ± 0% 1.68µs ± 0% ~ (p=1.000 n=5+5) BM_LinSpace<float>/32k 13.3µs ± 0% 13.3µs ± 0% ~ (p=0.905 n=5+4) BM_LinSpace<float>/256k 107µs ± 0% 107µs ± 0% ~ (p=0.841 n=5+5) BM_LinSpace<float>/1M 427µs ± 0% 427µs ± 0% ~ (p=0.690 n=5+5)
761 lines
29 KiB
C++
761 lines
29 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "packetmath_test_shared.h"
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#define REF_ADD(a,b) ((a)+(b))
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#define REF_SUB(a,b) ((a)-(b))
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#define REF_MUL(a,b) ((a)*(b))
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#define REF_DIV(a,b) ((a)/(b))
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#define REF_ABS_DIFF(a,b) ((a)>(b)?(a)-(b):(b)-(a))
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template<typename FromScalar, typename FromPacket, typename ToScalar, typename ToPacket, bool CanCast = false>
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struct test_cast_helper;
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template<typename FromScalar, typename FromPacket, typename ToScalar, typename ToPacket>
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struct test_cast_helper<FromScalar, FromPacket, ToScalar, ToPacket, false> {
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static void run() {}
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};
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template<typename FromScalar, typename FromPacket, typename ToScalar, typename ToPacket>
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struct test_cast_helper<FromScalar, FromPacket, ToScalar, ToPacket, true> {
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static void run() {
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static const int PacketSize = internal::unpacket_traits<FromPacket>::size;
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EIGEN_ALIGN_MAX FromScalar data1[PacketSize];
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EIGEN_ALIGN_MAX ToScalar data2[PacketSize];
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EIGEN_ALIGN_MAX ToScalar ref[PacketSize];
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// Construct a packet of scalars that will not overflow when casting
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for (int i=0; i<PacketSize; ++i) {
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const FromScalar from_scalar = Array<FromScalar,1,1>::Random().value();
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const ToScalar to_scalar = Array<ToScalar,1,1>::Random().value();
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const FromScalar c = sizeof(ToScalar) > sizeof(FromScalar) ? static_cast<FromScalar>(to_scalar) : from_scalar;
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data1[i] = (NumTraits<FromScalar>::IsSigned && !NumTraits<ToScalar>::IsSigned) ? numext::abs(c) : c;
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}
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for (int i=0; i<PacketSize; ++i)
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ref[i] = static_cast<const ToScalar>(data1[i]);
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internal::pstore(data2, internal::pcast<FromPacket, ToPacket>(internal::pload<FromPacket>(data1)));
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VERIFY(test::areApprox(ref, data2, PacketSize) && "internal::pcast<>");
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}
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};
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template<typename FromPacket, typename ToScalar>
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void test_cast() {
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typedef typename internal::unpacket_traits<FromPacket>::type FromScalar;
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typedef typename internal::packet_traits<FromScalar> FromPacketTraits;
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typedef typename internal::packet_traits<ToScalar>::type Full;
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typedef typename internal::unpacket_traits<Full>::half Half;
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typedef typename internal::unpacket_traits<typename internal::unpacket_traits<Full>::half>::half Quarter;
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static const int PacketSize = internal::unpacket_traits<FromPacket>::size;
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static const bool CanCast =
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FromPacketTraits::HasCast &&
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(PacketSize == internal::unpacket_traits<Full>::size ||
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PacketSize == internal::unpacket_traits<Half>::size ||
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PacketSize == internal::unpacket_traits<Quarter>::size);
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typedef typename internal::conditional<internal::unpacket_traits<Quarter>::size == PacketSize, Quarter,
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typename internal::conditional<internal::unpacket_traits<Half>::size == PacketSize, Half, Full>::type>::type
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ToPacket;
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test_cast_helper<FromScalar, FromPacket, ToScalar, ToPacket, CanCast>::run();
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}
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template<typename Scalar,typename Packet> void packetmath_boolean()
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{
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const int PacketSize = internal::unpacket_traits<Packet>::size;
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const int size = 2*PacketSize;
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EIGEN_ALIGN_MAX Scalar data1[size];
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EIGEN_ALIGN_MAX Scalar data2[size];
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EIGEN_ALIGN_MAX Scalar ref[size];
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>();
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}
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CHECK_CWISE2_IF(true, internal::por, internal::por);
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CHECK_CWISE2_IF(true, internal::pxor, internal::pxor);
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CHECK_CWISE2_IF(true, internal::pand, internal::pand);
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}
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template<typename Scalar,typename Packet> void packetmath()
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{
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typedef internal::packet_traits<Scalar> PacketTraits;
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const int PacketSize = internal::unpacket_traits<Packet>::size;
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typedef typename NumTraits<Scalar>::Real RealScalar;
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if (g_first_pass)
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std::cerr << "=== Testing packet of type '" << typeid(Packet).name()
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<< "' and scalar type '" << typeid(Scalar).name()
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<< "' and size '" << PacketSize << "' ===\n" ;
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const int max_size = PacketSize > 4 ? PacketSize : 4;
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const int size = PacketSize*max_size;
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EIGEN_ALIGN_MAX Scalar data1[size];
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EIGEN_ALIGN_MAX Scalar data2[size];
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EIGEN_ALIGN_MAX Scalar data3[size];
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EIGEN_ALIGN_MAX Scalar ref[size];
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RealScalar refvalue = RealScalar(0);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>()/RealScalar(PacketSize);
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data2[i] = internal::random<Scalar>()/RealScalar(PacketSize);
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refvalue = (std::max)(refvalue, numext::abs(data1[i]));
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}
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internal::pstore(data2, internal::pload<Packet>(data1));
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VERIFY(test::areApprox(data1, data2, PacketSize) && "aligned load/store");
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for (int offset=0; offset<PacketSize; ++offset)
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{
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internal::pstore(data2, internal::ploadu<Packet>(data1+offset));
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VERIFY(test::areApprox(data1+offset, data2, PacketSize) && "internal::ploadu");
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}
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for (int offset=0; offset<PacketSize; ++offset)
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{
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internal::pstoreu(data2+offset, internal::pload<Packet>(data1));
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VERIFY(test::areApprox(data1, data2+offset, PacketSize) && "internal::pstoreu");
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}
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if (internal::unpacket_traits<Packet>::masked_load_available)
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{
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test::packet_helper<internal::unpacket_traits<Packet>::masked_load_available, Packet> h;
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unsigned long long max_umask = (0x1ull << PacketSize);
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for (int offset=0; offset<PacketSize; ++offset)
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{
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for (unsigned long long umask=0; umask<max_umask; ++umask)
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{
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h.store(data2, h.load(data1+offset, umask));
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for (int k=0; k<PacketSize; ++k)
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data3[k] = ((umask & ( 0x1ull << k )) >> k) ? data1[k+offset] : Scalar(0);
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VERIFY(test::areApprox(data3, data2, PacketSize) && "internal::ploadu masked");
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}
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}
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}
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if (internal::unpacket_traits<Packet>::masked_store_available)
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{
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test::packet_helper<internal::unpacket_traits<Packet>::masked_store_available, Packet> h;
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unsigned long long max_umask = (0x1ull << PacketSize);
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for (int offset=0; offset<PacketSize; ++offset)
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{
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for (unsigned long long umask=0; umask<max_umask; ++umask)
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{
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internal::pstore(data2, internal::pset1<Packet>(Scalar(0)));
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h.store(data2, h.loadu(data1+offset), umask);
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for (int k=0; k<PacketSize; ++k)
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data3[k] = ((umask & ( 0x1ull << k )) >> k) ? data1[k+offset] : Scalar(0);
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VERIFY(test::areApprox(data3, data2, PacketSize) && "internal::pstoreu masked");
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}
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}
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}
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VERIFY((!PacketTraits::Vectorizable) || PacketTraits::HasAdd);
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VERIFY((!PacketTraits::Vectorizable) || PacketTraits::HasSub);
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VERIFY((!PacketTraits::Vectorizable) || PacketTraits::HasMul);
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CHECK_CWISE2_IF(PacketTraits::HasAdd, REF_ADD, internal::padd);
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CHECK_CWISE2_IF(PacketTraits::HasSub, REF_SUB, internal::psub);
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CHECK_CWISE2_IF(PacketTraits::HasMul, REF_MUL, internal::pmul);
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CHECK_CWISE2_IF(PacketTraits::HasDiv, REF_DIV, internal::pdiv);
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CHECK_CWISE1(internal::pnot, internal::pnot);
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CHECK_CWISE1(internal::pzero, internal::pzero);
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CHECK_CWISE1(internal::ptrue, internal::ptrue);
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if (PacketTraits::HasNegate)
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CHECK_CWISE1(internal::negate, internal::pnegate);
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CHECK_CWISE1(numext::conj, internal::pconj);
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for(int offset=0;offset<3;++offset)
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{
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for (int i=0; i<PacketSize; ++i)
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ref[i] = data1[offset];
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internal::pstore(data2, internal::pset1<Packet>(data1[offset]));
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VERIFY(test::areApprox(ref, data2, PacketSize) && "internal::pset1");
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}
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{
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for (int i=0; i<PacketSize*4; ++i)
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ref[i] = data1[i/PacketSize];
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Packet A0, A1, A2, A3;
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internal::pbroadcast4<Packet>(data1, A0, A1, A2, A3);
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internal::pstore(data2+0*PacketSize, A0);
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internal::pstore(data2+1*PacketSize, A1);
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internal::pstore(data2+2*PacketSize, A2);
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internal::pstore(data2+3*PacketSize, A3);
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VERIFY(test::areApprox(ref, data2, 4*PacketSize) && "internal::pbroadcast4");
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}
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{
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for (int i=0; i<PacketSize*2; ++i)
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ref[i] = data1[i/PacketSize];
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Packet A0, A1;
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internal::pbroadcast2<Packet>(data1, A0, A1);
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internal::pstore(data2+0*PacketSize, A0);
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internal::pstore(data2+1*PacketSize, A1);
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VERIFY(test::areApprox(ref, data2, 2*PacketSize) && "internal::pbroadcast2");
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}
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VERIFY(internal::isApprox(data1[0], internal::pfirst(internal::pload<Packet>(data1))) && "internal::pfirst");
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if(PacketSize>1)
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{
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// apply different offsets to check that ploaddup is robust to unaligned inputs
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for(int offset=0;offset<4;++offset)
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{
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for(int i=0;i<PacketSize/2;++i)
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ref[2*i+0] = ref[2*i+1] = data1[offset+i];
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internal::pstore(data2,internal::ploaddup<Packet>(data1+offset));
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VERIFY(test::areApprox(ref, data2, PacketSize) && "ploaddup");
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}
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}
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if(PacketSize>2)
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{
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// apply different offsets to check that ploadquad is robust to unaligned inputs
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for(int offset=0;offset<4;++offset)
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{
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for(int i=0;i<PacketSize/4;++i)
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ref[4*i+0] = ref[4*i+1] = ref[4*i+2] = ref[4*i+3] = data1[offset+i];
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internal::pstore(data2,internal::ploadquad<Packet>(data1+offset));
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VERIFY(test::areApprox(ref, data2, PacketSize) && "ploadquad");
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}
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}
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ref[0] = Scalar(0);
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for (int i=0; i<PacketSize; ++i)
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ref[0] += data1[i];
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VERIFY(test::isApproxAbs(ref[0], internal::predux(internal::pload<Packet>(data1)), refvalue) && "internal::predux");
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if(PacketSize==8 && internal::unpacket_traits<typename internal::unpacket_traits<Packet>::half>::size ==4) // so far, predux_half_downto4 is only required in such a case
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{
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int HalfPacketSize = PacketSize>4 ? PacketSize/2 : PacketSize;
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for (int i=0; i<HalfPacketSize; ++i)
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ref[i] = Scalar(0);
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for (int i=0; i<PacketSize; ++i)
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ref[i%HalfPacketSize] += data1[i];
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internal::pstore(data2, internal::predux_half_dowto4(internal::pload<Packet>(data1)));
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VERIFY(test::areApprox(ref, data2, HalfPacketSize) && "internal::predux_half_dowto4");
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}
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ref[0] = Scalar(1);
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for (int i=0; i<PacketSize; ++i)
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ref[0] *= data1[i];
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VERIFY(internal::isApprox(ref[0], internal::predux_mul(internal::pload<Packet>(data1))) && "internal::predux_mul");
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for (int i=0; i<PacketSize; ++i)
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ref[i] = data1[PacketSize-i-1];
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internal::pstore(data2, internal::preverse(internal::pload<Packet>(data1)));
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VERIFY(test::areApprox(ref, data2, PacketSize) && "internal::preverse");
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internal::PacketBlock<Packet> kernel;
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for (int i=0; i<PacketSize; ++i) {
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kernel.packet[i] = internal::pload<Packet>(data1+i*PacketSize);
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}
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ptranspose(kernel);
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for (int i=0; i<PacketSize; ++i) {
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internal::pstore(data2, kernel.packet[i]);
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for (int j = 0; j < PacketSize; ++j) {
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VERIFY(test::isApproxAbs(data2[j], data1[i+j*PacketSize], refvalue) && "ptranspose");
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}
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}
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if (PacketTraits::HasBlend) {
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Packet thenPacket = internal::pload<Packet>(data1);
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Packet elsePacket = internal::pload<Packet>(data2);
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EIGEN_ALIGN_MAX internal::Selector<PacketSize> selector;
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for (int i = 0; i < PacketSize; ++i) {
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selector.select[i] = i;
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}
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Packet blend = internal::pblend(selector, thenPacket, elsePacket);
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EIGEN_ALIGN_MAX Scalar result[size];
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internal::pstore(result, blend);
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for (int i = 0; i < PacketSize; ++i) {
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VERIFY(test::isApproxAbs(result[i], (selector.select[i] ? data1[i] : data2[i]), refvalue));
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}
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}
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{
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for (int i = 0; i < PacketSize; ++i) {
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// "if" mask
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unsigned char v = internal::random<bool>() ? 0xff : 0;
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char* bytes = (char*)(data1+i);
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for(int k=0; k<int(sizeof(Scalar)); ++k) {
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bytes[k] = v;
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}
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// "then" packet
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data1[i+PacketSize] = internal::random<Scalar>();
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// "else" packet
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data1[i+2*PacketSize] = internal::random<Scalar>();
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}
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CHECK_CWISE3_IF(true, internal::pselect, internal::pselect);
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}
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{
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for (int i = 0; i < PacketSize; ++i) {
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data1[i] = Scalar(i);
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data1[i + PacketSize] = internal::random<bool>() ? data1[i] : Scalar(0);
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}
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CHECK_CWISE2_IF(true, internal::pcmp_eq, internal::pcmp_eq);
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}
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CHECK_CWISE1_IF(PacketTraits::HasSqrt, numext::sqrt, internal::psqrt);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>();
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}
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CHECK_CWISE2_IF(true, internal::pandnot, internal::pandnot);
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packetmath_boolean<Scalar, Packet>();
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}
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template<typename Scalar,typename Packet> void packetmath_real()
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{
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typedef internal::packet_traits<Scalar> PacketTraits;
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const int PacketSize = internal::unpacket_traits<Packet>::size;
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const int size = PacketSize*4;
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EIGEN_ALIGN_MAX Scalar data1[PacketSize*4];
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EIGEN_ALIGN_MAX Scalar data2[PacketSize*4];
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EIGEN_ALIGN_MAX Scalar ref[PacketSize*4];
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>(0,1) * std::pow(Scalar(10), internal::random<Scalar>(-6,6));
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data2[i] = internal::random<Scalar>(0,1) * std::pow(Scalar(10), internal::random<Scalar>(-6,6));
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}
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if(internal::random<float>(0,1)<0.1f)
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data1[internal::random<int>(0, PacketSize)] = 0;
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CHECK_CWISE1_IF(PacketTraits::HasLog, std::log, internal::plog);
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CHECK_CWISE1_IF(PacketTraits::HasRsqrt, Scalar(1)/std::sqrt, internal::prsqrt);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>(-1,1) * std::pow(Scalar(10), internal::random<Scalar>(-3,3));
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data2[i] = internal::random<Scalar>(-1,1) * std::pow(Scalar(10), internal::random<Scalar>(-3,3));
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}
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CHECK_CWISE1_IF(PacketTraits::HasSin, std::sin, internal::psin);
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CHECK_CWISE1_IF(PacketTraits::HasCos, std::cos, internal::pcos);
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CHECK_CWISE1_IF(PacketTraits::HasTan, std::tan, internal::ptan);
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CHECK_CWISE1_IF(PacketTraits::HasRound, numext::round, internal::pround);
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CHECK_CWISE1_IF(PacketTraits::HasCeil, numext::ceil, internal::pceil);
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CHECK_CWISE1_IF(PacketTraits::HasFloor, numext::floor, internal::pfloor);
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CHECK_CWISE1_IF(PacketTraits::HasRint, numext::rint, internal::print);
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// See bug 1785.
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for (int i=0; i<size; ++i)
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{
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data1[i] = -1.5 + i;
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data2[i] = -1.5 + i;
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}
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CHECK_CWISE1_IF(PacketTraits::HasRound, numext::round, internal::pround);
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CHECK_CWISE1_IF(PacketTraits::HasRint, numext::rint, internal::print);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>(-1,1);
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data2[i] = internal::random<Scalar>(-1,1);
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}
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CHECK_CWISE1_IF(PacketTraits::HasASin, std::asin, internal::pasin);
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CHECK_CWISE1_IF(PacketTraits::HasACos, std::acos, internal::pacos);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>(-87,88);
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data2[i] = internal::random<Scalar>(-87,88);
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}
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CHECK_CWISE1_IF(PacketTraits::HasExp, std::exp, internal::pexp);
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for (int i=0; i<size; ++i)
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{
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data1[i] = internal::random<Scalar>(-1,1) * std::pow(Scalar(10), internal::random<Scalar>(-6,6));
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data2[i] = internal::random<Scalar>(-1,1) * std::pow(Scalar(10), internal::random<Scalar>(-6,6));
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}
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|
data1[0] = 1e-20;
|
|
CHECK_CWISE1_IF(PacketTraits::HasTanh, std::tanh, internal::ptanh);
|
|
if(PacketTraits::HasExp && PacketSize>=2)
|
|
{
|
|
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
|
|
data1[1] = std::numeric_limits<Scalar>::epsilon();
|
|
test::packet_helper<PacketTraits::HasExp,Packet> h;
|
|
h.store(data2, internal::pexp(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY_IS_EQUAL(std::exp(std::numeric_limits<Scalar>::epsilon()), data2[1]);
|
|
|
|
data1[0] = -std::numeric_limits<Scalar>::epsilon();
|
|
data1[1] = 0;
|
|
h.store(data2, internal::pexp(h.load(data1)));
|
|
VERIFY_IS_EQUAL(std::exp(-std::numeric_limits<Scalar>::epsilon()), data2[0]);
|
|
VERIFY_IS_EQUAL(std::exp(Scalar(0)), data2[1]);
|
|
|
|
data1[0] = (std::numeric_limits<Scalar>::min)();
|
|
data1[1] = -(std::numeric_limits<Scalar>::min)();
|
|
h.store(data2, internal::pexp(h.load(data1)));
|
|
VERIFY_IS_EQUAL(std::exp((std::numeric_limits<Scalar>::min)()), data2[0]);
|
|
VERIFY_IS_EQUAL(std::exp(-(std::numeric_limits<Scalar>::min)()), data2[1]);
|
|
|
|
data1[0] = std::numeric_limits<Scalar>::denorm_min();
|
|
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
|
|
h.store(data2, internal::pexp(h.load(data1)));
|
|
VERIFY_IS_EQUAL(std::exp(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
|
|
VERIFY_IS_EQUAL(std::exp(-std::numeric_limits<Scalar>::denorm_min()), data2[1]);
|
|
}
|
|
|
|
if (PacketTraits::HasTanh) {
|
|
// NOTE this test migh fail with GCC prior to 6.3, see MathFunctionsImpl.h for details.
|
|
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
|
|
test::packet_helper<internal::packet_traits<Scalar>::HasTanh,Packet> h;
|
|
h.store(data2, internal::ptanh(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
}
|
|
|
|
#if EIGEN_HAS_C99_MATH && (__cplusplus > 199711L)
|
|
data1[0] = std::numeric_limits<Scalar>::infinity();
|
|
data1[1] = Scalar(-1);
|
|
CHECK_CWISE1_IF(PacketTraits::HasLog1p, std::log1p, internal::plog1p);
|
|
data1[0] = std::numeric_limits<Scalar>::infinity();
|
|
data1[1] = -std::numeric_limits<Scalar>::infinity();
|
|
CHECK_CWISE1_IF(PacketTraits::HasExpm1, std::expm1, internal::pexpm1);
|
|
#endif
|
|
|
|
if(PacketSize>=2)
|
|
{
|
|
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
|
|
data1[1] = std::numeric_limits<Scalar>::epsilon();
|
|
if(PacketTraits::HasLog)
|
|
{
|
|
test::packet_helper<PacketTraits::HasLog,Packet> h;
|
|
h.store(data2, internal::plog(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY_IS_EQUAL(std::log(std::numeric_limits<Scalar>::epsilon()), data2[1]);
|
|
|
|
data1[0] = -std::numeric_limits<Scalar>::epsilon();
|
|
data1[1] = 0;
|
|
h.store(data2, internal::plog(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY_IS_EQUAL(std::log(Scalar(0)), data2[1]);
|
|
|
|
data1[0] = (std::numeric_limits<Scalar>::min)();
|
|
data1[1] = -(std::numeric_limits<Scalar>::min)();
|
|
h.store(data2, internal::plog(h.load(data1)));
|
|
VERIFY_IS_EQUAL(std::log((std::numeric_limits<Scalar>::min)()), data2[0]);
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
|
|
data1[0] = std::numeric_limits<Scalar>::denorm_min();
|
|
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
|
|
h.store(data2, internal::plog(h.load(data1)));
|
|
// VERIFY_IS_EQUAL(std::log(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
|
|
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]));
|
|
}
|
|
if(PacketTraits::HasLog1p) {
|
|
test::packet_helper<PacketTraits::HasLog1p,Packet> h;
|
|
data1[0] = Scalar(-2);
|
|
data1[1] = -std::numeric_limits<Scalar>::infinity();
|
|
h.store(data2, internal::plog1p(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
}
|
|
if(PacketTraits::HasSqrt)
|
|
{
|
|
test::packet_helper<PacketTraits::HasSqrt,Packet> h;
|
|
data1[0] = Scalar(-1.0f);
|
|
data1[1] = -std::numeric_limits<Scalar>::denorm_min();
|
|
h.store(data2, internal::psqrt(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
}
|
|
if(PacketTraits::HasCos)
|
|
{
|
|
test::packet_helper<PacketTraits::HasCos,Packet> h;
|
|
for(Scalar k = 1; k<Scalar(10000)/std::numeric_limits<Scalar>::epsilon(); k*=2)
|
|
{
|
|
for(int k1=0;k1<=1; ++k1)
|
|
{
|
|
data1[0] = (2*k+k1 )*Scalar(EIGEN_PI)/2 * internal::random<Scalar>(0.8,1.2);
|
|
data1[1] = (2*k+2+k1)*Scalar(EIGEN_PI)/2 * internal::random<Scalar>(0.8,1.2);
|
|
h.store(data2, internal::pcos(h.load(data1)));
|
|
h.store(data2+PacketSize, internal::psin(h.load(data1)));
|
|
VERIFY(data2[0]<=Scalar(1.) && data2[0]>=Scalar(-1.));
|
|
VERIFY(data2[1]<=Scalar(1.) && data2[1]>=Scalar(-1.));
|
|
VERIFY(data2[PacketSize+0]<=Scalar(1.) && data2[PacketSize+0]>=Scalar(-1.));
|
|
VERIFY(data2[PacketSize+1]<=Scalar(1.) && data2[PacketSize+1]>=Scalar(-1.));
|
|
|
|
VERIFY_IS_APPROX(numext::abs2(data2[0])+numext::abs2(data2[PacketSize+0]), Scalar(1));
|
|
VERIFY_IS_APPROX(numext::abs2(data2[1])+numext::abs2(data2[PacketSize+1]), Scalar(1));
|
|
}
|
|
}
|
|
|
|
data1[0] = std::numeric_limits<Scalar>::infinity();
|
|
data1[1] = -std::numeric_limits<Scalar>::infinity();
|
|
h.store(data2, internal::psin(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
|
|
h.store(data2, internal::pcos(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
VERIFY((numext::isnan)(data2[1]));
|
|
|
|
data1[0] = std::numeric_limits<Scalar>::quiet_NaN();
|
|
h.store(data2, internal::psin(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
h.store(data2, internal::pcos(h.load(data1)));
|
|
VERIFY((numext::isnan)(data2[0]));
|
|
|
|
data1[0] = -Scalar(0.);
|
|
h.store(data2, internal::psin(h.load(data1)));
|
|
VERIFY( internal::biteq(data2[0], data1[0]) );
|
|
h.store(data2, internal::pcos(h.load(data1)));
|
|
VERIFY_IS_EQUAL(data2[0], Scalar(1));
|
|
}
|
|
}
|
|
}
|
|
|
|
template<typename Scalar,typename Packet> void packetmath_notcomplex()
|
|
{
|
|
typedef internal::packet_traits<Scalar> PacketTraits;
|
|
const int PacketSize = internal::unpacket_traits<Packet>::size;
|
|
|
|
EIGEN_ALIGN_MAX Scalar data1[PacketSize*4];
|
|
EIGEN_ALIGN_MAX Scalar data2[PacketSize*4];
|
|
EIGEN_ALIGN_MAX Scalar ref[PacketSize*4];
|
|
|
|
Array<Scalar,Dynamic,1>::Map(data1, PacketSize*4).setRandom();
|
|
|
|
if (PacketTraits::HasCast) {
|
|
test_cast<Packet, float>();
|
|
test_cast<Packet, double>();
|
|
test_cast<Packet, int8_t>();
|
|
test_cast<Packet, uint8_t>();
|
|
test_cast<Packet, int16_t>();
|
|
test_cast<Packet, uint16_t>();
|
|
test_cast<Packet, int32_t>();
|
|
test_cast<Packet, uint32_t>();
|
|
test_cast<Packet, int64_t>();
|
|
test_cast<Packet, uint64_t>();
|
|
}
|
|
|
|
ref[0] = data1[0];
|
|
for (int i=0; i<PacketSize; ++i)
|
|
ref[0] = (std::min)(ref[0],data1[i]);
|
|
VERIFY(internal::isApprox(ref[0], internal::predux_min(internal::pload<Packet>(data1))) && "internal::predux_min");
|
|
|
|
VERIFY((!PacketTraits::Vectorizable) || PacketTraits::HasMin);
|
|
VERIFY((!PacketTraits::Vectorizable) || PacketTraits::HasMax);
|
|
|
|
CHECK_CWISE2_IF(PacketTraits::HasMin, (std::min), internal::pmin);
|
|
CHECK_CWISE2_IF(PacketTraits::HasMax, (std::max), internal::pmax);
|
|
CHECK_CWISE1(numext::abs, internal::pabs);
|
|
CHECK_CWISE2_IF(PacketTraits::HasAbsDiff, REF_ABS_DIFF, internal::pabsdiff);
|
|
|
|
ref[0] = data1[0];
|
|
for (int i=0; i<PacketSize; ++i)
|
|
ref[0] = (std::max)(ref[0],data1[i]);
|
|
VERIFY(internal::isApprox(ref[0], internal::predux_max(internal::pload<Packet>(data1))) && "internal::predux_max");
|
|
|
|
for (int i=0; i<PacketSize; ++i)
|
|
ref[i] = data1[0]+Scalar(i);
|
|
internal::pstore(data2, internal::plset<Packet>(data1[0]));
|
|
VERIFY(test::areApprox(ref, data2, PacketSize) && "internal::plset");
|
|
|
|
{
|
|
unsigned char* data1_bits = reinterpret_cast<unsigned char*>(data1);
|
|
// predux_all - not needed yet
|
|
// for (unsigned int i=0; i<PacketSize*sizeof(Scalar); ++i) data1_bits[i] = 0xff;
|
|
// VERIFY(internal::predux_all(internal::pload<Packet>(data1)) && "internal::predux_all(1111)");
|
|
// for(int k=0; k<PacketSize; ++k)
|
|
// {
|
|
// for (unsigned int i=0; i<sizeof(Scalar); ++i) data1_bits[k*sizeof(Scalar)+i] = 0x0;
|
|
// VERIFY( (!internal::predux_all(internal::pload<Packet>(data1))) && "internal::predux_all(0101)");
|
|
// for (unsigned int i=0; i<sizeof(Scalar); ++i) data1_bits[k*sizeof(Scalar)+i] = 0xff;
|
|
// }
|
|
|
|
// predux_any
|
|
for (unsigned int i=0; i<PacketSize*sizeof(Scalar); ++i) data1_bits[i] = 0x0;
|
|
VERIFY( (!internal::predux_any(internal::pload<Packet>(data1))) && "internal::predux_any(0000)");
|
|
for(int k=0; k<PacketSize; ++k)
|
|
{
|
|
for (unsigned int i=0; i<sizeof(Scalar); ++i) data1_bits[k*sizeof(Scalar)+i] = 0xff;
|
|
VERIFY( internal::predux_any(internal::pload<Packet>(data1)) && "internal::predux_any(0101)");
|
|
for (unsigned int i=0; i<sizeof(Scalar); ++i) data1_bits[k*sizeof(Scalar)+i] = 0x00;
|
|
}
|
|
}
|
|
}
|
|
|
|
template<typename Scalar,typename Packet,bool ConjLhs,bool ConjRhs> void test_conj_helper(Scalar* data1, Scalar* data2, Scalar* ref, Scalar* pval)
|
|
{
|
|
const int PacketSize = internal::unpacket_traits<Packet>::size;
|
|
|
|
internal::conj_if<ConjLhs> cj0;
|
|
internal::conj_if<ConjRhs> cj1;
|
|
internal::conj_helper<Scalar,Scalar,ConjLhs,ConjRhs> cj;
|
|
internal::conj_helper<Packet,Packet,ConjLhs,ConjRhs> pcj;
|
|
|
|
for(int i=0;i<PacketSize;++i)
|
|
{
|
|
ref[i] = cj0(data1[i]) * cj1(data2[i]);
|
|
VERIFY(internal::isApprox(ref[i], cj.pmul(data1[i],data2[i])) && "conj_helper pmul");
|
|
}
|
|
internal::pstore(pval,pcj.pmul(internal::pload<Packet>(data1),internal::pload<Packet>(data2)));
|
|
VERIFY(test::areApprox(ref, pval, PacketSize) && "conj_helper pmul");
|
|
|
|
for(int i=0;i<PacketSize;++i)
|
|
{
|
|
Scalar tmp = ref[i];
|
|
ref[i] += cj0(data1[i]) * cj1(data2[i]);
|
|
VERIFY(internal::isApprox(ref[i], cj.pmadd(data1[i],data2[i],tmp)) && "conj_helper pmadd");
|
|
}
|
|
internal::pstore(pval,pcj.pmadd(internal::pload<Packet>(data1),internal::pload<Packet>(data2),internal::pload<Packet>(pval)));
|
|
VERIFY(test::areApprox(ref, pval, PacketSize) && "conj_helper pmadd");
|
|
}
|
|
|
|
template<typename Scalar,typename Packet> void packetmath_complex()
|
|
{
|
|
const int PacketSize = internal::unpacket_traits<Packet>::size;
|
|
|
|
const int size = PacketSize*4;
|
|
EIGEN_ALIGN_MAX Scalar data1[PacketSize*4];
|
|
EIGEN_ALIGN_MAX Scalar data2[PacketSize*4];
|
|
EIGEN_ALIGN_MAX Scalar ref[PacketSize*4];
|
|
EIGEN_ALIGN_MAX Scalar pval[PacketSize*4];
|
|
|
|
for (int i=0; i<size; ++i)
|
|
{
|
|
data1[i] = internal::random<Scalar>() * Scalar(1e2);
|
|
data2[i] = internal::random<Scalar>() * Scalar(1e2);
|
|
}
|
|
|
|
test_conj_helper<Scalar,Packet,false,false> (data1,data2,ref,pval);
|
|
test_conj_helper<Scalar,Packet,false,true> (data1,data2,ref,pval);
|
|
test_conj_helper<Scalar,Packet,true,false> (data1,data2,ref,pval);
|
|
test_conj_helper<Scalar,Packet,true,true> (data1,data2,ref,pval);
|
|
|
|
{
|
|
for(int i=0;i<PacketSize;++i)
|
|
ref[i] = Scalar(std::imag(data1[i]),std::real(data1[i]));
|
|
internal::pstore(pval,internal::pcplxflip(internal::pload<Packet>(data1)));
|
|
VERIFY(test::areApprox(ref, pval, PacketSize) && "pcplxflip");
|
|
}
|
|
}
|
|
|
|
template<typename Scalar,typename Packet> void packetmath_scatter_gather()
|
|
{
|
|
typedef typename NumTraits<Scalar>::Real RealScalar;
|
|
const int PacketSize = internal::unpacket_traits<Packet>::size;
|
|
EIGEN_ALIGN_MAX Scalar data1[PacketSize];
|
|
RealScalar refvalue = 0;
|
|
for (int i=0; i<PacketSize; ++i) {
|
|
data1[i] = internal::random<Scalar>()/RealScalar(PacketSize);
|
|
}
|
|
|
|
int stride = internal::random<int>(1,20);
|
|
|
|
EIGEN_ALIGN_MAX Scalar buffer[PacketSize*20];
|
|
memset(buffer, 0, 20*PacketSize*sizeof(Scalar));
|
|
Packet packet = internal::pload<Packet>(data1);
|
|
internal::pscatter<Scalar, Packet>(buffer, packet, stride);
|
|
|
|
for (int i = 0; i < PacketSize*20; ++i) {
|
|
if ((i%stride) == 0 && i<stride*PacketSize) {
|
|
VERIFY(
|
|
test::isApproxAbs(buffer[i], data1[i/stride], refvalue) && "pscatter");
|
|
} else {
|
|
VERIFY(
|
|
test::isApproxAbs(buffer[i], Scalar(0), refvalue) && "pscatter");
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<PacketSize*7; ++i) {
|
|
buffer[i] = internal::random<Scalar>()/RealScalar(PacketSize);
|
|
}
|
|
packet = internal::pgather<Scalar, Packet>(buffer, 7);
|
|
internal::pstore(data1, packet);
|
|
for (int i = 0; i < PacketSize; ++i) {
|
|
VERIFY(test::isApproxAbs(data1[i], buffer[i*7], refvalue) && "pgather");
|
|
}
|
|
}
|
|
|
|
namespace Eigen {
|
|
namespace test {
|
|
|
|
template<typename Scalar,typename PacketType>
|
|
struct runall<Scalar,PacketType,false,false> { // i.e. float or double
|
|
static void run() {
|
|
packetmath<Scalar,PacketType>();
|
|
packetmath_scatter_gather<Scalar,PacketType>();
|
|
packetmath_notcomplex<Scalar,PacketType>();
|
|
packetmath_real<Scalar,PacketType>();
|
|
}
|
|
};
|
|
|
|
template<typename Scalar,typename PacketType>
|
|
struct runall<Scalar,PacketType,false,true> { // i.e. int
|
|
static void run() {
|
|
packetmath<Scalar,PacketType>();
|
|
packetmath_scatter_gather<Scalar,PacketType>();
|
|
packetmath_notcomplex<Scalar,PacketType>();
|
|
}
|
|
};
|
|
|
|
template<typename Scalar,typename PacketType>
|
|
struct runall<Scalar,PacketType,true,false> { // i.e. complex
|
|
static void run() {
|
|
packetmath<Scalar,PacketType>();
|
|
packetmath_scatter_gather<Scalar,PacketType>();
|
|
packetmath_complex<Scalar,PacketType>();
|
|
}
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
|
|
EIGEN_DECLARE_TEST(packetmath)
|
|
{
|
|
g_first_pass = true;
|
|
for(int i = 0; i < g_repeat; i++) {
|
|
|
|
CALL_SUBTEST_1( test::runner<float>::run() );
|
|
CALL_SUBTEST_2( test::runner<double>::run() );
|
|
CALL_SUBTEST_3( test::runner<int8_t>::run() );
|
|
CALL_SUBTEST_4( test::runner<uint8_t>::run() );
|
|
CALL_SUBTEST_5( test::runner<int16_t>::run() );
|
|
CALL_SUBTEST_6( test::runner<uint16_t>::run() );
|
|
CALL_SUBTEST_7( test::runner<int32_t>::run() );
|
|
CALL_SUBTEST_8( test::runner<uint32_t>::run() );
|
|
CALL_SUBTEST_9( test::runner<int64_t>::run() );
|
|
CALL_SUBTEST_10( test::runner<uint64_t>::run() );
|
|
CALL_SUBTEST_11( test::runner<std::complex<float> >::run() );
|
|
CALL_SUBTEST_12( test::runner<std::complex<double> >::run() );
|
|
CALL_SUBTEST_13(( packetmath<half,internal::packet_traits<half>::type>() ));
|
|
#ifdef EIGEN_PACKET_MATH_SSE_H
|
|
CALL_SUBTEST_14(( packetmath_boolean<bool,internal::packet_traits<bool>::type>() ));
|
|
#endif
|
|
g_first_pass = false;
|
|
}
|
|
}
|