[RNG] Added experimental support of Philox counter-based PRNG

documentation/library_guide/api_for_sycl_kernels/random.rst

@@ -20,6 +20,7 @@ Engine                         Description
 ``linear_congruential_engine`` Implements a linear congruential algorithm
 ``subtract_with_carry_engine`` Implements a subtract-with-carry algorithm
 ``discard_block_engine``       Implements a discard block adaptor
+``philox_engine``              Implements a Philox algorithm
 ============================== =========================================================================================================
 
 Predefined Random Number Engines
@@ -37,6 +38,8 @@ Type                                                                  Descriptio
 ``ranlux48_base``                                                     ``oneapi::dpl::subtract_with_carry_engine<std::uint64_t, 48, 5, 12>``
 ``ranlux24``                                                          ``oneapi::dpl::discard_block_engine<ranlux24_base, 223, 23>``
 ``ranlux48``                                                          ``oneapi::dpl::discard_block_engine<ranlux48_base, 389, 11>``
+``philox4x32``                                                        ``oneapi::dpl::experimental::philox_engine<std::uint_fast32_t, 32, 4, 10, 0xCD9E8D57, 0x9E3779B9, 0xD2511F53, 0xBB67AE85>``
+``philox4x64``                                                        ``oneapi::dpl::experimental::philox_engine<std::uint_fast64_t, 64, 4, 10, 0xCA5A826395121157, 0x9E3779B97F4A7C15, 0xD2E7470EE14C6C93, 0xBB67AE8584CAA73B>``
 ===================================================================== =========================================================================================================
 
 The engines described below can efficiently generate vectors of random numbers. These types are
@@ -57,6 +60,10 @@ Type                                                                  Descriptio
                                                                       ranlux24 for a vector generation case
 ``template<std::int32_t N> ranlux48_vec<N>``                          ``oneapi::dpl::discard_block_engine<ranlux48_base_vec<N>, 389, 11>``
                                                                       ranlux48 for vector generation case
+``template<std::int32_t N> philox4x32_vec<N>``                        ``oneapi::dpl::experimental::philox_engine<sycl::vec<std::uint_fast32_t, N>, 32, 4, 10, 0xCD9E8D57, 0x9E3779B9, 0xD2511F53, 0xBB67AE85>``
+                                                                      philox4x32 for a vector generation case
+``template<std::int32_t N> philox4x64_vec<N>``                        ``oneapi::dpl::experimental::philox_engine<sycl::vec<std::uint_fast64_t, N>, 64, 4, 10, 0xCA5A826395121157, 0x9E3779B97F4A7C15, 0xD2E7470EE14C6C93, 0xBB67AE8584CAA73B>``
+                                                                      philox4x64 for a vector generation case
 ===================================================================== =========================================================================================================
 
 Random Number Distributions