boostorg · mborland · Sep 26, 2025 · Sep 26, 2025 · Sep 26, 2025 · Sep 26, 2025
diff --git a/doc/overview/gpu.qbk b/doc/overview/gpu.qbk
@@ -54,6 +54,9 @@ And lastly on SYCL:
         });
     }
 
+When using SYCL you must define BOOST_MATH_ENABLE_SYCL, since device support is opt-in on that platform.
+For NVCC and NVRTC device support is enabled automatically.
+
 Once your kernel function has been written then use the framework mechanism for launching the kernel.
 
 [endsect] [/section:gpu Support for GPU programming in Boost.Math]

diff --git a/include/boost/math/tools/config.hpp b/include/boost/math/tools/config.hpp
@@ -702,15 +702,11 @@ namespace boost{ namespace math{
 #  undef BOOST_MATH_FORCEINLINE
 #  define BOOST_MATH_FORCEINLINE __forceinline__
 
-#elif defined(SYCL_LANGUAGE_VERSION)
+#elif defined(BOOST_MATH_ENABLE_SYCL)
 
 #  define BOOST_MATH_SYCL_ENABLED SYCL_EXTERNAL
 #  define BOOST_MATH_HAS_GPU_SUPPORT
 
-#  ifndef BOOST_MATH_ENABLE_SYCL
-#    define BOOST_MATH_ENABLE_SYCL
-#  endif
-
 #  ifndef BOOST_MATH_NO_EXCEPTIONS
 #    define BOOST_MATH_NO_EXCEPTIONS
 #  endif

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -43,7 +43,7 @@ if(HAVE_BOOST_TEST)
 
         enable_testing()
 
-        boost_test_jamfile(FILE sycl_jamfile LINK_LIBRARIES Boost::math Boost::assert Boost::concept_check Boost::config Boost::core Boost::integer Boost::lexical_cast Boost::multiprecision Boost::predef Boost::random Boost::static_assert Boost::throw_exception Boost::unit_test_framework sycl COMPILE_OPTIONS -fsycl )
+        boost_test_jamfile(FILE sycl_jamfile LINK_LIBRARIES Boost::math Boost::assert Boost::concept_check Boost::config Boost::core Boost::integer Boost::lexical_cast Boost::multiprecision Boost::predef Boost::random Boost::static_assert Boost::throw_exception Boost::unit_test_framework sycl COMPILE_DEFINITIONS BOOST_MATH_ENABLE_SYCL=1 COMPILE_OPTIONS -fsycl )
     else()
 
         boost_test(SOURCES check_cmake_version.cpp ARGUMENTS ${PROJECT_VERSION} LINK_LIBRARIES Boost::core Boost::config)

diff --git a/test/gegenbauer_test.cpp b/test/gegenbauer_test.cpp
@@ -5,7 +5,7 @@
  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  */
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/pow_test.cpp b/test/pow_test.cpp
@@ -15,7 +15,7 @@
 #include "../include_private/boost/math/tools/test.hpp"
 #define BOOST_TEST_MAIN
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_airy.cpp b/test/test_airy.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #include "sycl/sycl.hpp"
@@ -60,7 +60,7 @@ void test_airy(T, const char* name)
    if (boost::math::tools::digits<T>() > 100)
       tol *= 2;
 
-   #ifdef SYCL_LANGUAGE_VERSION
+   #ifdef BOOST_MATH_ENABLE_SYCL
    tol *= 5;
    #endif
 

diff --git a/test/test_arcsine.cpp b/test/test_arcsine.cpp
@@ -10,7 +10,7 @@
 
 // Tests for the arcsine Distribution.
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch.hpp> // Must be 1st include, and include_directory /libs/math/src/tr1/ is needed.
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_bernoulli.cpp b/test/test_bernoulli.cpp
@@ -18,7 +18,7 @@
 #  pragma warning (disable : 4127) // conditional expression is constant.
 #endif
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_bessel_i.cpp b/test/test_bessel_i.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
@@ -97,7 +97,7 @@ void expected_results()
       "linux",                       // platform
       largest_type,                  // test type(s)
       ".*Random.*",                    // test data group
-      #ifdef SYCL_LANGUAGE_VERSION
+      #ifdef BOOST_MATH_ENABLE_SYCL
       ".*", 600, 200);
       #else
       ".*", 400, 200);               // test function
@@ -130,7 +130,7 @@ void expected_results()
       ".*",                          // platform
       largest_type,                  // test type(s)
       ".*",                          // test data group
-      #ifdef SYCL_LANGUAGE_VERSION
+      #ifdef BOOST_MATH_ENABLE_SYCL
       ".*", 400, 200);
       #else
       ".*", 20, 10);                 // test function

diff --git a/test/test_bessel_i.hpp b/test/test_bessel_i.hpp
@@ -201,7 +201,7 @@ void test_bessel(T, const char* name)
        }
     }
     T tolerance = boost::math::tools::epsilon<T>() * 100;
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
     if ((boost::math::tools::digits<T>() <= std::numeric_limits<double>::digits) && (std::numeric_limits<T>::max_exponent > 1000))
     {
        BOOST_CHECK_CLOSE_FRACTION(boost::math::cyl_bessel_i(T(0.5), T(710)), SC_(3.3447452278080108123142599104927325061327359278058601201179e306), tolerance);

diff --git a/test/test_bessel_j.cpp b/test/test_bessel_j.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false

diff --git a/test/test_bessel_j.hpp b/test/test_bessel_j.hpp
@@ -284,7 +284,7 @@ void test_bessel(T, const char* name)
     BOOST_MATH_CHECK_THROW(boost::math::sph_bessel(2, T(-2.0)), std::domain_error);
     BOOST_CHECK_EQUAL(boost::math::cyl_bessel_j(T(0), T(2.5)), boost::math::cyl_bessel_j(T(0), T(-2.5)));
     BOOST_CHECK_EQUAL(boost::math::cyl_bessel_j(T(1), T(2.5)), -boost::math::cyl_bessel_j(T(1), T(-2.5)));
-    #ifndef SYCL_LANGUAGE_VERSION
+    #ifndef BOOST_MATH_ENABLE_SYCL
     BOOST_CHECK_CLOSE_FRACTION(boost::math::cyl_bessel_j(364, T(38.5)), SC_(1.793940496519190500748409872348034004417458734118663909894e-309), tolerance);
     #endif
     //

diff --git a/test/test_bessel_k.cpp b/test/test_bessel_k.cpp
@@ -5,7 +5,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false

diff --git a/test/test_bessel_k.hpp b/test/test_bessel_k.hpp
@@ -176,7 +176,7 @@ void test_bessel(T, const char* name)
     //
     // Extra test coverage:
     //
-    #ifndef SYCL_LANGUAGE_VERSION // SYCL doesn't throw 
+    #ifndef BOOST_MATH_ENABLE_SYCL // SYCL doesn't throw
     BOOST_CHECK_THROW(boost::math::cyl_bessel_k(T(2), T(-1)), std::domain_error);
     BOOST_CHECK_THROW(boost::math::cyl_bessel_k(T(2.2), T(-1)), std::domain_error);
     BOOST_IF_CONSTEXPR(std::numeric_limits<T>::has_infinity)

diff --git a/test/test_bessel_y.cpp b/test/test_bessel_y.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
@@ -248,7 +248,7 @@ void expected_results()
       ".*",                          // platform
       largest_type,                  // test type(s)
       ".*(Y[nv]|y).*Random.*",           // test data group
-      #ifdef SYCL_LANGUAGE_VERSION
+      #ifdef BOOST_MATH_ENABLE_SYCL
       ".*", 2000, 1000);
       #else
       ".*", 1500, 1000);               // test function

diff --git a/test/test_beta.cpp b/test/test_beta.cpp
@@ -5,7 +5,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_beta_dist.cpp b/test/test_beta_dist.cpp
@@ -32,7 +32,7 @@
 # pragma warning (disable : 4224) // nonstandard extension used : formal parameter 'arg' was previously defined as a type.
 #endif
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_beta_simple.cpp b/test/test_beta_simple.cpp
@@ -8,7 +8,7 @@
 #define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_cauchy.cpp b/test/test_cauchy.cpp
@@ -16,7 +16,7 @@
 #  pragma warning(disable: 4127) // conditional expression is constant
 #endif
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
 #include "sycl/sycl.hpp"
 #include <boost/math/tools/config.hpp>
@@ -137,7 +137,7 @@ void test_spots(RealType T)
          static_cast<RealType>(0.000000021220659078919346664504384865488560725L),
          tolerance); // %
 
-   #ifndef SYCL_LANGUAGE_VERSION // Returns infinity
+   #ifndef BOOST_MATH_ENABLE_SYCL // Returns infinity
    BOOST_CHECK_CLOSE(
       // Test the CDF at -max_value()/4.
       // For an input x of this magnitude, the reference value is 4/|x|/pi.
@@ -220,7 +220,7 @@ void test_spots(RealType T)
          static_cast<RealType>(0.000000021220659078919346664504384865488560725L),
          tolerance); // %
 
-   #ifndef SYCL_LANGUAGE_VERSION // Returns infinity
+   #ifndef BOOST_MATH_ENABLE_SYCL // Returns infinity
    BOOST_CHECK_CLOSE(
       // Test the complemented CDF at max_value()/4.
       // For an input x of this magnitude, the reference value is 4/x/pi.

diff --git a/test/test_cbrt.cpp b/test/test_cbrt.cpp
@@ -9,7 +9,7 @@
 #  pragma warning (disable : 4224)
 #endif
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp> // include /libs/math/src/
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_chi_squared.cpp b/test/test_chi_squared.cpp
@@ -16,7 +16,7 @@
 #  pragma warning(disable: 4127) // conditional expression is constant
 #endif
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_digamma_simple.cpp b/test/test_digamma_simple.cpp
@@ -4,7 +4,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_ellint_1.cpp b/test/test_ellint_1.cpp
@@ -6,7 +6,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp> // include /libs/math/src/
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_ellint_2.cpp b/test/test_ellint_2.cpp
@@ -6,7 +6,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp> // include /libs/math/src/
 #else
 #include "sycl/sycl.hpp"
@@ -77,7 +77,7 @@ void expected_results()
       ".*",                          // platform
       largest_type,                  // test type(s)
       ".*",      // test data group
-      #ifdef SYCL_LANGUAGE_VERSION
+      #ifdef BOOST_MATH_ENABLE_SYCL
       ".*", 20, 6);  // test function
       #else
       ".*", 15, 6);  // test function

diff --git a/test/test_ellint_d.cpp b/test/test_ellint_d.cpp
@@ -6,7 +6,7 @@
 
 #define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp> // include /libs/math/src/
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_erf.cpp b/test/test_erf.cpp
@@ -4,7 +4,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_expint.cpp b/test/test_expint.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #include "sycl/sycl.hpp"
@@ -87,7 +87,7 @@ void expected_results()
       ".*",                          // platform
       "float|double|long double",    // test type(s)
       ".*Ei.*",                      // test data group
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
       ".*", 6, 3);                   // test function
 #else
       ".*", 10, 3);

diff --git a/test/test_expm1_simple.cpp b/test/test_expm1_simple.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_exponential_dist.cpp b/test/test_exponential_dist.cpp
@@ -8,7 +8,7 @@
 
 // test_exponential_dist.cpp
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_extreme_value.cpp b/test/test_extreme_value.cpp
@@ -7,7 +7,7 @@
 
 // test_extreme_value.cpp
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_fisher_f.cpp b/test/test_fisher_f.cpp
@@ -8,7 +8,7 @@
 // (See accompanying file LICENSE_1_0.txt
 // or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif
 

diff --git a/test/test_gamma.cpp b/test/test_gamma.cpp
@@ -3,7 +3,7 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch_light.hpp>
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_gamma_dist.cpp b/test/test_gamma_dist.cpp
@@ -15,7 +15,7 @@
 // From MathWorld--A Wolfram Web Resource.
 // http://mathworld.wolfram.com/GammaDistribution.html
 
-#ifndef SYCL_LANGUAGE_VERSION
+#ifndef BOOST_MATH_ENABLE_SYCL
 #include <pch.hpp> // include directory libs/math/src/tr1/ is needed.
 #else
 #include "sycl/sycl.hpp"

diff --git a/test/test_geometric.cpp b/test/test_geometric.cpp
@@ -19,7 +19,7 @@
 #  pragma warning(disable: 4127) // conditional expression is constant.
 #endif
 
-#ifdef SYCL_LANGUAGE_VERSION
+#ifdef BOOST_MATH_ENABLE_SYCL
 #include "sycl/sycl.hpp"
 #endif