| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Mehdi Goli Codeplay Software Ltd. |
| // Ralph Potter Codeplay Software Ltd. |
| // Luke Iwanski Codeplay Software Ltd. |
| // Contact: <eigen@codeplay.com> |
| // |
| // 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/. |
| |
| /***************************************************************** |
| * TypeCasting.h |
| * |
| * \brief: |
| * TypeCasting |
| * |
| *****************************************************************/ |
| |
| #ifndef EIGEN_TYPE_CASTING_SYCL_H |
| #define EIGEN_TYPE_CASTING_SYCL_H |
| |
| // IWYU pragma: private |
| #include "../../InternalHeaderCheck.h" |
| |
| namespace Eigen { |
| |
| namespace internal { |
| #ifdef SYCL_DEVICE_ONLY |
| template <> |
| struct type_casting_traits<float, int> { |
| enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 }; |
| }; |
| |
| template <> |
| EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_int4 pcast<cl::sycl::cl_float4, cl::sycl::cl_int4>( |
| const cl::sycl::cl_float4& a) { |
| return a.template convert<cl::sycl::cl_int, cl::sycl::rounding_mode::automatic>(); |
| } |
| |
| template <> |
| struct type_casting_traits<int, float> { |
| enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 1 }; |
| }; |
| |
| template <> |
| EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_float4 pcast<cl::sycl::cl_int4, cl::sycl::cl_float4>( |
| const cl::sycl::cl_int4& a) { |
| return a.template convert<cl::sycl::cl_float, cl::sycl::rounding_mode::automatic>(); |
| } |
| |
| template <> |
| struct type_casting_traits<double, float> { |
| enum { VectorizedCast = 1, SrcCoeffRatio = 2, TgtCoeffRatio = 1 }; |
| }; |
| |
| template <> |
| EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_float4 pcast<cl::sycl::cl_double2, cl::sycl::cl_float4>( |
| const cl::sycl::cl_double2& a, const cl::sycl::cl_double2& b) { |
| auto a1 = a.template convert<cl::sycl::cl_float, cl::sycl::rounding_mode::automatic>(); |
| auto b1 = b.template convert<cl::sycl::cl_float, cl::sycl::rounding_mode::automatic>(); |
| return cl::sycl::cl_float4(a1.x(), a1.y(), b1.x(), b1.y()); |
| } |
| |
| template <> |
| struct type_casting_traits<float, double> { |
| enum { VectorizedCast = 1, SrcCoeffRatio = 1, TgtCoeffRatio = 2 }; |
| }; |
| |
| template <> |
| EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_double2 pcast<cl::sycl::cl_float4, cl::sycl::cl_double2>( |
| const cl::sycl::cl_float4& a) { |
| // Simply discard the second half of the input |
| return cl::sycl::cl_double2(a.x(), a.y()); |
| } |
| |
| #endif |
| } // end namespace internal |
| |
| } // end namespace Eigen |
| |
| #endif // EIGEN_TYPE_CASTING_SYCL_H |