TypeCasting.h

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2020, Arm Limited and Contributors
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// SPDX-License-Identifier: MPL-2.0
 
#ifndef EIGEN_TYPE_CASTING_SVE_H
#define EIGEN_TYPE_CASTING_SVE_H
 
// IWYU pragma: private
#include "../../InternalHeaderCheck.h"
 
namespace Eigen {
namespace internal {
 
template <>
struct type_casting_traits<float, numext::int32_t> {
  enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 };
};
 
template <>
struct type_casting_traits<numext::int32_t, float> {
  enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 };
};
 
template <>
EIGEN_STRONG_INLINE PacketXf pcast<PacketXi, PacketXf>(const PacketXi& a) {
  return svcvt_f32_s32_x(svptrue_b32(), a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXi pcast<PacketXf, PacketXi>(const PacketXf& a) {
  return svcvt_s32_f32_x(svptrue_b32(), a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXf preinterpret<PacketXf, PacketXi>(const PacketXi& a) {
  return svreinterpret_f32_s32(a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXi preinterpret<PacketXi, PacketXf>(const PacketXf& a) {
  return svreinterpret_s32_f32(a);
}
 
template <>
struct type_casting_traits<double, numext::int64_t> {
  enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 };
};
 
template <>
struct type_casting_traits<numext::int64_t, double> {
  enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 };
};
 
template <>
EIGEN_STRONG_INLINE PacketXd pcast<PacketXl, PacketXd>(const PacketXl& a) {
  return svcvt_f64_s64_x(svptrue_b64(), a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXl pcast<PacketXd, PacketXl>(const PacketXd& a) {
  return svcvt_s64_f64_x(svptrue_b64(), a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXd preinterpret<PacketXd, PacketXl>(const PacketXl& a) {
  return svreinterpret_f64_s64(a);
}
 
template <>
EIGEN_STRONG_INLINE PacketXl preinterpret<PacketXl, PacketXd>(const PacketXd& a) {
  return svreinterpret_s64_f64(a);
}
 
}  // namespace internal
}  // namespace Eigen
 
#endif  // EIGEN_TYPE_CASTING_SVE_H