util.hpp File Reference

#include <cassert>
#include <complex>
#include <sycl/ext/oneapi/experimental/complex/complex.hpp>
#include <sycl/sycl.hpp>
#include <type_traits>
#include <syclcompat/memory.hpp>

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Classes
struct	syclcompat::detail::DataType< T >
struct	syclcompat::detail::DataType< sycl::vec< T, 2 > >
class	syclcompat::experimental::logical_group
	The logical-group is a logical collection of some work-items within a work-group. More...

Namespaces
	syclcompat
	syclcompat::detail
	Atomic extension to implement standard APIs in std::atomic.
	syclcompat::experimental

Macros
#define	SYCL_EXT_ONEAPI_COMPLEX

Functions
void	syclcompat::detail::matrix_mem_copy (void *to_ptr, const void *from_ptr, int to_ld, int from_ld, int rows, int cols, int elem_size, sycl::queue queue=get_default_queue(), bool async=false)
template<typename T >
void	syclcompat::detail::matrix_mem_copy (T *to_ptr, const T *from_ptr, int to_ld, int from_ld, int rows, int cols, sycl::queue queue=get_default_queue(), bool async=false)
	Copy matrix data. More...
int	syclcompat::cast_double_to_int (double d, bool use_high32=true)
	Cast the high or low 32 bits of a double to an integer. More...
double	syclcompat::cast_ints_to_double (int high32, int low32)
	Combine two integers, the first as the high 32 bits and the second as the low 32 bits, into a double. More...
float	syclcompat::fast_length (const float *a, int len)
	Compute fast_length for variable-length array. More...
template<typename S , typename T >
T	syclcompat::vectorized_max (T a, T b)
	Compute vectorized max for two values, with each value treated as a vector type S. More...
template<typename S , typename T >
T	syclcompat::vectorized_min (T a, T b)
	Compute vectorized min for two values, with each value treated as a vector type S. More...
template<typename S , typename T >
T	syclcompat::vectorized_isgreater (T a, T b)
	Compute vectorized isgreater for two values, with each value treated as a vector type S. More...
template<>
unsigned	syclcompat::vectorized_isgreater< sycl::ushort2, unsigned > (unsigned a, unsigned b)
	Compute vectorized isgreater for two unsigned int values, with each value treated as a vector of two unsigned short. More...
template<typename T >
T	syclcompat::reverse_bits (T a)
	Reverse the bit order of an unsigned integer. More...
unsigned int	syclcompat::byte_level_permute (unsigned int a, unsigned int b, unsigned int s)
template<typename T >
int	syclcompat::ffs (T a)
	Find position of first least significant set bit in an integer. More...
template<typename T >
T	syclcompat::select_from_sub_group (sycl::sub_group g, T x, int remote_local_id, int logical_sub_group_size=32)
	select_from_sub_group allows work-items to obtain a copy of a value held by any other work-item in the sub_group. More...
template<typename T >
T	syclcompat::shift_sub_group_left (sycl::sub_group g, T x, unsigned int delta, int logical_sub_group_size=32)
	shift_sub_group_left move values held by the work-items in a sub_group directly to another work-item in the sub_group, by shifting values a fixed number of work-items to the left. More...
template<typename T >
T	syclcompat::shift_sub_group_right (sycl::sub_group g, T x, unsigned int delta, int logical_sub_group_size=32)
	shift_sub_group_right move values held by the work-items in a sub_group directly to another work-item in the sub_group, by shifting values a fixed number of work-items to the right. More...
template<typename T >
T	syclcompat::permute_sub_group_by_xor (sycl::sub_group g, T x, unsigned int mask, int logical_sub_group_size=32)
	permute_sub_group_by_xor permutes values by exchanging values held by pairs of work-items identified by computing the bitwise exclusive OR of the work-item id and some fixed mask. More...
template<typename T >
sycl::vec< T, 2 >	syclcompat::cmul (sycl::vec< T, 2 > x, sycl::vec< T, 2 > y)
	Computes the multiplication of two complex numbers. More...
template<typename T >
sycl::vec< T, 2 >	syclcompat::cdiv (sycl::vec< T, 2 > x, sycl::vec< T, 2 > y)
	Computes the division of two complex numbers. More...
template<typename T >
T	syclcompat::cabs (sycl::vec< T, 2 > x)
	Computes the magnitude of a complex number. More...
template<typename T >
sycl::vec< T, 2 >	syclcompat::conj (sycl::vec< T, 2 > x)
	Computes the complex conjugate of a complex number. More...
int	syclcompat::get_sycl_language_version ()
	Inherited from the original SYCLomatic compatibility headers. More...
template<int dimensions = 3>
void	syclcompat::experimental::nd_range_barrier (sycl::nd_item< dimensions > item, sycl::atomic_ref< unsigned int, sycl::memory_order::acq_rel, sycl::memory_scope::device, sycl::access::address_space::global_space > &counter)
	Synchronize work items from all work groups within a SYCL kernel. More...
template<>
void	syclcompat::experimental::nd_range_barrier (sycl::nd_item< 1 > item, sycl::atomic_ref< unsigned int, sycl::memory_order::acq_rel, sycl::memory_scope::device, sycl::access::address_space::global_space > &counter)
	Synchronize work items from all work groups within a SYCL kernel. More...

Macro Definition Documentation

SYCL_EXT_ONEAPI_COMPLEX

#define SYCL_EXT_ONEAPI_COMPLEX

Definition at line 34 of file util.hpp.