Check Bessel's functions support in oneDPL

include/oneapi/dpl/cmath

@@ -37,6 +37,15 @@ using ::std::copysign;
 using ::std::copysignf;
 using ::std::cos;
 using ::std::cosh;
+using ::std::cyl_bessel_i;          // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#regular-modified-cylindrical-bessel-functions
+using ::std::cyl_bessel_if;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#regular-modified-cylindrical-bessel-functions
+using ::std::cyl_bessel_il;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#regular-modified-cylindrical-bessel-functions
+using ::std::cyl_bessel_j;          // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#cylindrical-bessel-functions-of-the-first-kind
+using ::std::cyl_bessel_jf;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#cylindrical-bessel-functions-of-the-first-kind
+using ::std::cyl_bessel_jl;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#cylindrical-bessel-functions-of-the-first-kind
+using ::std::cyl_bessel_k;          // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#irregular-modified-cylindrical-bessel-functions
+using ::std::cyl_bessel_kf;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#irregular-modified-cylindrical-bessel-functions
+using ::std::cyl_bessel_kl;         // https://learn.microsoft.com/en-us/cpp/standard-library/cmath?view=msvc-170#irregular-modified-cylindrical-bessel-functions
 using ::std::erf;
 using ::std::erfc;
 using ::std::exp;

test/support/specfun_testcase.h

@@ -0,0 +1,68 @@
+// Copyright (C) 2015-2022 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+//  specfun_testcase.h.h
+
+//
+//  These are little PODs for special function inputs and
+//  expexted results for the testsuite.
+//
+
+#ifndef _TEST_SPECFUN_TESTCASE_H
+#define _TEST_SPECFUN_TESTCASE_H
+
+//  Generic cylindrical Bessel functions.
+template <typename _Tp>
+struct testcase_cyl_bessel
+{
+    _Tp f0;
+    _Tp nu;
+    _Tp x;
+    _Tp f;
+};
+
+//  Regular modified cylindrical Bessel functions.
+template <typename _Tp>
+struct testcase_cyl_bessel_i
+{
+    _Tp f0;
+    _Tp nu;
+    _Tp x;
+    _Tp f;
+};
+
+//  Cylindrical Bessel functions (of the first kind).
+template <typename _Tp>
+struct testcase_cyl_bessel_j
+{
+    _Tp f0;
+    _Tp nu;
+    _Tp x;
+    _Tp f;
+};
+
+//  Irregular modified cylindrical Bessel functions.
+template <typename _Tp>
+struct testcase_cyl_bessel_k
+{
+    _Tp f0;
+    _Tp nu;
+    _Tp x;
+    _Tp f;
+};
+
+#endif // _TEST_SPECFUN_TESTCASE_H

test/support/test_bessel.h

@@ -0,0 +1,48 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Copyright (C) Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+// This file incorporates work covered by the following copyright and permission
+// notice:
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _TEST_BESSEL_H
+#define _TEST_BESSEL_H
+
+#define __STDCPP_WANT_MATH_SPEC_FUNCS__ 1
+
+#ifdef __SYCL_DEVICE_ONLY__
+
+// Required to define these before all includes
+namespace std
+{
+    SYCL_EXTERNAL void __throw_domain_error(const char*)
+    {
+    }
+};
+
+// Required to define these before all includes
+namespace std
+{
+    SYCL_EXTERNAL void __throw_runtime_error(const char*)
+    {
+    }
+};
+
+#endif // __SYCL_DEVICE_ONLY__
+
+#include "test_complex.h"
+#include "specfun_testcase.h"
+
+#include <limits>
+#include <cmath>
+#include <stdexcept>
+
+#endif // _TEST_BESSEL_H

test/support/test_config.h

@@ -228,6 +228,12 @@
 #define _PSTL_TEST_COMPLEX_DIV_COMPLEX_BROKEN _PSTL_TEST_COMPLEX_OP_BROKEN
 #define _PSTL_TEST_COMPLEX_DIV_COMPLEX_BROKEN_IN_INTEL_LLVM_COMPILER _PSTL_TEST_COMPLEX_OP_BROKEN_IN_INTEL_LLVM_COMPILER
 
+#if __SYCL_DEVICE_ONLY__ && _MSVC_STL_VERSION && _MSVC_STL_VERSION > 0
+#    define _PSTL_TEST_BESSEL_STD_LIB_IMPL_COMPLIANT 0
+#else
+#    define _PSTL_TEST_BESSEL_STD_LIB_IMPL_COMPLIANT 1
+#endif
+
 #define _PSTL_ICC_TEST_UNDERLYING_TYPE_BROKEN (_GLIBCXX_RELEASE && _GLIBCXX_RELEASE < 9)
 
 // Known limitation: