示例#1
0
template<typename Scalar> void packetmath()
{
  typedef typename internal::packet_traits<Scalar>::type Packet;
  const int PacketSize = internal::packet_traits<Scalar>::size;
  typedef typename NumTraits<Scalar>::Real RealScalar;

  const int size = PacketSize*4;
  EIGEN_ALIGN16 Scalar data1[internal::packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Scalar data2[internal::packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Packet packets[PacketSize*2];
  EIGEN_ALIGN16 Scalar ref[internal::packet_traits<Scalar>::size*4];
  RealScalar refvalue = 0;
  for (int i=0; i<size; ++i)
  {
    data1[i] = internal::random<Scalar>()/RealScalar(PacketSize);
    data2[i] = internal::random<Scalar>()/RealScalar(PacketSize);
    refvalue = (std::max)(refvalue,internal::abs(data1[i]));
  }

  internal::pstore(data2, internal::pload<Packet>(data1));
  VERIFY(areApprox(data1, data2, PacketSize) && "aligned load/store");

  for (int offset=0; offset<PacketSize; ++offset)
  {
    internal::pstore(data2, internal::ploadu<Packet>(data1+offset));
    VERIFY(areApprox(data1+offset, data2, PacketSize) && "internal::ploadu");
  }

  for (int offset=0; offset<PacketSize; ++offset)
  {
    internal::pstoreu(data2+offset, internal::pload<Packet>(data1));
    VERIFY(areApprox(data1, data2+offset, PacketSize) && "internal::pstoreu");
  }

  for (int offset=0; offset<PacketSize; ++offset)
  {
    packets[0] = internal::pload<Packet>(data1);
    packets[1] = internal::pload<Packet>(data1+PacketSize);
         if (offset==0) internal::palign<0>(packets[0], packets[1]);
    else if (offset==1) internal::palign<1>(packets[0], packets[1]);
    else if (offset==2) internal::palign<2>(packets[0], packets[1]);
    else if (offset==3) internal::palign<3>(packets[0], packets[1]);
    internal::pstore(data2, packets[0]);

    for (int i=0; i<PacketSize; ++i)
      ref[i] = data1[i+offset];

    typedef Matrix<Scalar, PacketSize, 1> Vector;
    VERIFY(areApprox(ref, data2, PacketSize) && "internal::palign");
  }

  CHECK_CWISE2(REF_ADD,  internal::padd);
  CHECK_CWISE2(REF_SUB,  internal::psub);
  CHECK_CWISE2(REF_MUL,  internal::pmul);
  #ifndef EIGEN_VECTORIZE_ALTIVEC
  if (!internal::is_same<Scalar,int>::value)
    CHECK_CWISE2(REF_DIV,  internal::pdiv);
  #endif
  CHECK_CWISE1(internal::negate, internal::pnegate);
  CHECK_CWISE1(internal::conj, internal::pconj);

  for(int offset=0;offset<3;++offset)
  {
    for (int i=0; i<PacketSize; ++i)
      ref[i] = data1[offset];
    internal::pstore(data2, internal::pset1<Packet>(data1[offset]));
    VERIFY(areApprox(ref, data2, PacketSize) && "internal::pset1");
  }
  
  VERIFY(internal::isApprox(data1[0], internal::pfirst(internal::pload<Packet>(data1))) && "internal::pfirst");
  
  if(PacketSize>1)
  {
    for(int offset=0;offset<4;++offset)
    {
      for(int i=0;i<PacketSize/2;++i)
        ref[2*i+0] = ref[2*i+1] = data1[offset+i];
      internal::pstore(data2,internal::ploaddup<Packet>(data1+offset));
      VERIFY(areApprox(ref, data2, PacketSize) && "ploaddup");
    }
  }

  ref[0] = 0;
  for (int i=0; i<PacketSize; ++i)
    ref[0] += data1[i];
  VERIFY(isApproxAbs(ref[0], internal::predux(internal::pload<Packet>(data1)), refvalue) && "internal::predux");

  ref[0] = 1;
  for (int i=0; i<PacketSize; ++i)
    ref[0] *= data1[i];
  VERIFY(internal::isApprox(ref[0], internal::predux_mul(internal::pload<Packet>(data1))) && "internal::predux_mul");

  for (int j=0; j<PacketSize; ++j)
  {
    ref[j] = 0;
    for (int i=0; i<PacketSize; ++i)
      ref[j] += data1[i+j*PacketSize];
    packets[j] = internal::pload<Packet>(data1+j*PacketSize);
  }
  internal::pstore(data2, internal::preduxp(packets));
  VERIFY(areApproxAbs(ref, data2, PacketSize, refvalue) && "internal::preduxp");

  for (int i=0; i<PacketSize; ++i)
    ref[i] = data1[PacketSize-i-1];
  internal::pstore(data2, internal::preverse(internal::pload<Packet>(data1)));
  VERIFY(areApprox(ref, data2, PacketSize) && "internal::preverse");
}
示例#2
0
template<typename Scalar> void packetmath()
{
  typedef typename ei_packet_traits<Scalar>::type Packet;
  const int PacketSize = ei_packet_traits<Scalar>::size;
  typedef typename NumTraits<Scalar>::Real RealScalar;

  const int size = PacketSize*4;
  EIGEN_ALIGN16 Scalar data1[ei_packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Scalar data2[ei_packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Packet packets[PacketSize*2];
  EIGEN_ALIGN16 Scalar ref[ei_packet_traits<Scalar>::size*4];
  RealScalar refvalue = 0;
  for (int i=0; i<size; ++i)
  {
    data1[i] = ei_random<Scalar>();
    data2[i] = ei_random<Scalar>();
    refvalue = std::max(refvalue,ei_abs(data1[i]));
  }

  ei_pstore(data2, ei_pload(data1));
  VERIFY(areApprox(data1, data2, PacketSize) && "aligned load/store");

  for (int offset=0; offset<PacketSize; ++offset)
  {
    ei_pstore(data2, ei_ploadu(data1+offset));
    VERIFY(areApprox(data1+offset, data2, PacketSize) && "ei_ploadu");
  }

  for (int offset=0; offset<PacketSize; ++offset)
  {
    ei_pstoreu(data2+offset, ei_pload(data1));
    VERIFY(areApprox(data1, data2+offset, PacketSize) && "ei_pstoreu");
  }

  for (int offset=0; offset<PacketSize; ++offset)
  {
    packets[0] = ei_pload(data1);
    packets[1] = ei_pload(data1+PacketSize);
         if (offset==0) ei_palign<0>(packets[0], packets[1]);
    else if (offset==1) ei_palign<1>(packets[0], packets[1]);
    else if (offset==2) ei_palign<2>(packets[0], packets[1]);
    else if (offset==3) ei_palign<3>(packets[0], packets[1]);
    ei_pstore(data2, packets[0]);

    for (int i=0; i<PacketSize; ++i)
      ref[i] = data1[i+offset];

    typedef Matrix<Scalar, PacketSize, 1> Vector;
    VERIFY(areApprox(ref, data2, PacketSize) && "ei_palign");
  }

  CHECK_CWISE2(REF_ADD,  ei_padd);
  CHECK_CWISE2(REF_SUB,  ei_psub);
  CHECK_CWISE2(REF_MUL,  ei_pmul);
  #ifndef EIGEN_VECTORIZE_ALTIVEC
  if (!ei_is_same_type<Scalar,int>::ret)
    CHECK_CWISE2(REF_DIV,  ei_pdiv);
  #endif
  CHECK_CWISE2(std::min, ei_pmin);
  CHECK_CWISE2(std::max, ei_pmax);
  CHECK_CWISE1(ei_abs, ei_pabs);
  CHECK_CWISE1(ei_negate, ei_pnegate);

  for (int i=0; i<PacketSize; ++i)
    ref[i] = data1[0];
  ei_pstore(data2, ei_pset1(data1[0]));
  VERIFY(areApprox(ref, data2, PacketSize) && "ei_pset1");

  VERIFY(ei_isApprox(data1[0], ei_pfirst(ei_pload(data1))) && "ei_pfirst");

  ref[0] = 0;
  for (int i=0; i<PacketSize; ++i)
    ref[0] += data1[i];
  VERIFY(isApproxAbs(ref[0], ei_predux(ei_pload(data1)), refvalue) && "ei_predux");

  ref[0] = 1;
  for (int i=0; i<PacketSize; ++i)
    ref[0] *= data1[i];
  VERIFY(ei_isApprox(ref[0], ei_predux_mul(ei_pload(data1))) && "ei_predux_mul");

  ref[0] = data1[0];
  for (int i=0; i<PacketSize; ++i)
    ref[0] = std::min(ref[0],data1[i]);
  VERIFY(ei_isApprox(ref[0], ei_predux_min(ei_pload(data1))) && "ei_predux_min");

  ref[0] = data1[0];
  for (int i=0; i<PacketSize; ++i)
    ref[0] = std::max(ref[0],data1[i]);
  VERIFY(ei_isApprox(ref[0], ei_predux_max(ei_pload(data1))) && "ei_predux_max");

  for (int j=0; j<PacketSize; ++j)
  {
    ref[j] = 0;
    for (int i=0; i<PacketSize; ++i)
      ref[j] += data1[i+j*PacketSize];
    packets[j] = ei_pload(data1+j*PacketSize);
  }
  ei_pstore(data2, ei_preduxp(packets));
  VERIFY(areApproxAbs(ref, data2, PacketSize, refvalue) && "ei_preduxp");

  for (int i=0; i<PacketSize; ++i)
    ref[i] = data1[PacketSize-i-1];
  ei_pstore(data2, ei_preverse(ei_pload(data1)));
  VERIFY(areApprox(ref, data2, PacketSize) && "ei_preverse");
}
示例#3
0
template<typename Scalar> void packetmath_real()
{
  typedef typename internal::packet_traits<Scalar>::type Packet;
  const int PacketSize = internal::packet_traits<Scalar>::size;

  const int size = PacketSize*4;
  EIGEN_ALIGN16 Scalar data1[internal::packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Scalar data2[internal::packet_traits<Scalar>::size*4];
  EIGEN_ALIGN16 Scalar ref[internal::packet_traits<Scalar>::size*4];

  for (int i=0; i<size; ++i)
  {
    data1[i] = internal::random<Scalar>(-1e3,1e3);
    data2[i] = internal::random<Scalar>(-1e3,1e3);
  }
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasSin, internal::sin, internal::psin);
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasCos, internal::cos, internal::pcos);
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasTan, internal::tan, internal::ptan);
  
  for (int i=0; i<size; ++i)
  {
    data1[i] = internal::random<Scalar>(-1,1);
    data2[i] = internal::random<Scalar>(-1,1);
  }
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasASin, internal::asin, internal::pasin);
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasACos, internal::acos, internal::pacos);

  for (int i=0; i<size; ++i)
  {
    data1[i] = internal::random<Scalar>(-87,88);
    data2[i] = internal::random<Scalar>(-87,88);
  }
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasExp, internal::exp, internal::pexp);

  for (int i=0; i<size; ++i)
  {
    data1[i] = internal::random<Scalar>(0,1e6);
    data2[i] = internal::random<Scalar>(0,1e6);
  }
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasLog, internal::log, internal::plog);
  CHECK_CWISE1_IF(internal::packet_traits<Scalar>::HasSqrt, internal::sqrt, internal::psqrt);

  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");

  CHECK_CWISE2((std::min), internal::pmin);
  CHECK_CWISE2((std::max), internal::pmax);
  CHECK_CWISE1(internal::abs, internal::pabs);

  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(data1[0]));
  VERIFY(areApprox(ref, data2, PacketSize) && "internal::plset");
}