diff options
Diffstat (limited to 'meta/recipes-support/boost/boost/0003-math-make-no-atomics-a-soft-failure-in-bernoulli_details_hpp.patch')
| -rw-r--r-- | meta/recipes-support/boost/boost/0003-math-make-no-atomics-a-soft-failure-in-bernoulli_details_hpp.patch | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/meta/recipes-support/boost/boost/0003-math-make-no-atomics-a-soft-failure-in-bernoulli_details_hpp.patch b/meta/recipes-support/boost/boost/0003-math-make-no-atomics-a-soft-failure-in-bernoulli_details_hpp.patch new file mode 100644 index 0000000000..f69e4f21f3 --- /dev/null +++ b/meta/recipes-support/boost/boost/0003-math-make-no-atomics-a-soft-failure-in-bernoulli_details_hpp.patch @@ -0,0 +1,151 @@ +From 7d482f6ebc356e6ec455ccb5f51a23971bf6ce5b Mon Sep 17 00:00:00 2001 +From: jzmaddock <john@johnmaddock.co.uk> +Date: Wed, 1 Sep 2021 20:31:53 +0100 +Subject: [PATCH] Make no atomics a soft failure in bernoulli_details.hpp. + Include an "escape macro" so thread safety can be disabled if certain + bernoulli features are to be used in a no-atomics environment. Fixes + https://github.com/boostorg/math/issues/673. + +[buildroot@heine.tech: + - backport from boostorg/math 7d482f6ebc356e6ec455ccb5f51a23971bf6ce5b + - alter path to match boost release +] +Signed-off-by: Michael Nosthoff <buildroot@heine.tech> +--- +Upstream-Status: Backport [https://github.com/boostorg/math/pull/684/commits/7d482f6ebc356e6ec455ccb5f51a23971bf6ce5b] + .../detail/bernoulli_details.hpp | 10 +++++++--- + libs/math/test/Jamfile.v2 | 3 +++ + test/compile_test/bernoulli_no_atomic_d.cpp | 14 ++++++++++++++ + test/compile_test/bernoulli_no_atomic_fail.cpp | 15 +++++++++++++++ + test/compile_test/bernoulli_no_atomic_mp.cpp | 16 ++++++++++++++++ + 5 files changed, 55 insertions(+), 3 deletions(-) + create mode 100644 test/compile_test/bernoulli_no_atomic_d.cpp + create mode 100644 test/compile_test/bernoulli_no_atomic_fail.cpp + create mode 100644 test/compile_test/bernoulli_no_atomic_mp.cpp + +diff --git a/boost/math/special_functions/detail/bernoulli_details.hpp b/boost/math/special_functions/detail/bernoulli_details.hpp +index cf35545264..8519b7c89c 100644 +--- a/boost/math/special_functions/detail/bernoulli_details.hpp ++++ b/boost/math/special_functions/detail/bernoulli_details.hpp +@@ -360,7 +360,7 @@ class bernoulli_numbers_cache + return out; + } + +- #ifndef BOOST_HAS_THREADS ++ #if !defined(BOOST_HAS_THREADS) || defined(BOOST_MATH_BERNOULLI_UNTHREADED) + // + // Single threaded code, very simple: + // +@@ -382,6 +382,8 @@ class bernoulli_numbers_cache + *out = (i >= m_overflow_limit) ? policies::raise_overflow_error<T>("boost::math::bernoulli_b2n<%1%>(std::size_t)", 0, T(i), pol) : bn[i]; + ++out; + } ++ #elif defined(BOOST_MATH_NO_ATOMIC_INT) ++ static_assert(sizeof(T) == 1, "Unsupported configuration: your platform appears to have no atomic integers. If you are happy with thread-unsafe code, then you may define BOOST_MATH_BERNOULLI_UNTHREADED to suppress this error."); + #else + // + // Double-checked locking pattern, lets us access cached already cached values +@@ -464,7 +466,7 @@ class bernoulli_numbers_cache + return out; + } + +- #ifndef BOOST_HAS_THREADS ++ #if !defined(BOOST_HAS_THREADS) || defined(BOOST_MATH_BERNOULLI_UNTHREADED) + // + // Single threaded code, very simple: + // +@@ -494,6 +496,8 @@ class bernoulli_numbers_cache + } + ++out; + } ++ #elif defined(BOOST_MATH_NO_ATOMIC_INT) ++ static_assert(sizeof(T) == 1, "Unsupported configuration: your platform appears to have no atomic integers. If you are happy with thread-unsafe code, then you may define BOOST_MATH_BERNOULLI_UNTHREADED to suppress this error."); + #else + // + // Double-checked locking pattern, lets us access cached already cached values +@@ -555,7 +559,7 @@ class bernoulli_numbers_cache + // The value at which we know overflow has already occurred for the Bn: + std::size_t m_overflow_limit; + +- #ifdef BOOST_HAS_THREADS ++ #if defined(BOOST_HAS_THREADS) && !defined(BOOST_MATH_NO_ATOMIC_INT) + std::mutex m_mutex; + atomic_counter_type m_counter, m_current_precision; + #else +diff --git a/libs/math/test/Jamfile.v2 b/libs/math/test/Jamfile.v2 +index 52fb87f5e5..3ac63f9279 100644 +--- a/libs/math/test/Jamfile.v2 ++++ b/libs/math/test/Jamfile.v2 +@@ -1137,6 +1137,9 @@ test-suite misc : + + # [ run __temporary_test.cpp test_instances//test_instances : : : <test-info>always_show_run_output <pch>off ] + [ compile test_no_long_double_policy.cpp ] ++ [ compile compile_test/bernoulli_no_atomic_d.cpp ] ++ [ compile compile_test/bernoulli_no_atomic_mp.cpp ] ++ [ compile-fail compile_test/bernoulli_no_atomic_fail.cpp ] + ; + + test-suite interpolators : +diff --git a/test/compile_test/bernoulli_no_atomic_d.cpp b/test/compile_test/bernoulli_no_atomic_d.cpp +new file mode 100644 +index 0000000000..61926f7e1f +--- /dev/null ++++ b/test/compile_test/bernoulli_no_atomic_d.cpp +@@ -0,0 +1,14 @@ ++// (C) Copyright John Maddock 2021. ++// Use, modification and distribution are subject to the ++// Boost Software License, Version 1.0. (See accompanying file ++// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ++ ++#define BOOST_MATH_NO_ATOMIC_INT ++ ++#include <boost/math/special_functions/bernoulli.hpp> ++#include "test_compile_result.hpp" ++ ++void compile_and_link_test() ++{ ++ check_result<double>(boost::math::bernoulli_b2n<double>(4)); ++} +diff --git a/test/compile_test/bernoulli_no_atomic_fail.cpp b/test/compile_test/bernoulli_no_atomic_fail.cpp +new file mode 100644 +index 0000000000..bbd7152412 +--- /dev/null ++++ b/test/compile_test/bernoulli_no_atomic_fail.cpp +@@ -0,0 +1,15 @@ ++// (C) Copyright John Maddock 2021. ++// Use, modification and distribution are subject to the ++// Boost Software License, Version 1.0. (See accompanying file ++// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ++ ++#define BOOST_MATH_NO_ATOMIC_INT ++ ++#include <boost/math/special_functions/bernoulli.hpp> ++#include <boost/multiprecision/cpp_bin_float.hpp> ++#include "test_compile_result.hpp" ++ ++void compile_and_link_test() ++{ ++ check_result<boost::multiprecision::cpp_bin_float_50>(boost::math::bernoulli_b2n<boost::multiprecision::cpp_bin_float_50>(4)); ++} +diff --git a/test/compile_test/bernoulli_no_atomic_mp.cpp b/test/compile_test/bernoulli_no_atomic_mp.cpp +new file mode 100644 +index 0000000000..8d5a6e78e6 +--- /dev/null ++++ b/test/compile_test/bernoulli_no_atomic_mp.cpp +@@ -0,0 +1,16 @@ ++// (C) Copyright John Maddock 2021. ++// Use, modification and distribution are subject to the ++// Boost Software License, Version 1.0. (See accompanying file ++// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ++ ++#define BOOST_MATH_NO_ATOMIC_INT ++#define BOOST_MATH_BERNOULLI_UNTHREADED ++ ++#include <boost/math/special_functions/bernoulli.hpp> ++#include <boost/multiprecision/cpp_bin_float.hpp> ++#include "test_compile_result.hpp" ++ ++void compile_and_link_test() ++{ ++ check_result<boost::multiprecision::cpp_bin_float_50>(boost::math::bernoulli_b2n<boost::multiprecision::cpp_bin_float_50>(4)); ++} |