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Diffstat (limited to 'Eigen/src/Core/arch/SYCL/TypeCasting.h')
-rw-r--r-- | Eigen/src/Core/arch/SYCL/TypeCasting.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/SYCL/TypeCasting.h b/Eigen/src/Core/arch/SYCL/TypeCasting.h new file mode 100644 index 000000000..9208ab21d --- /dev/null +++ b/Eigen/src/Core/arch/SYCL/TypeCasting.h @@ -0,0 +1,85 @@ +// 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 + +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::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 |