Merge to master for 1.91

.github/workflows/ci.yml

@@ -248,10 +248,10 @@ jobs:
 
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
-            os: macos-13
+            os: macos-14
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
-            os: macos-14
+            os: macos-15
 
     timeout-minutes: 360
     runs-on: ${{matrix.os}}
@@ -517,7 +517,6 @@ jobs:
       matrix:
         include:
           - os: ubuntu-24.04
-          - os: macos-13
           - os: macos-14
           - os: macos-15
 

CMakeLists.txt

@@ -31,7 +31,6 @@ target_link_libraries(boost_random
     Boost::dynamic_bitset
     Boost::integer
     Boost::io
-    Boost::static_assert
     Boost::system
     Boost::throw_exception
     Boost::type_traits

build.jam

@@ -12,7 +12,6 @@ constant boost_dependencies :
     /boost/dynamic_bitset//boost_dynamic_bitset
     /boost/integer//boost_integer
     /boost/io//boost_io
-    /boost/static_assert//boost_static_assert
     /boost/system//boost_system
     /boost/throw_exception//boost_throw_exception
     /boost/type_traits//boost_type_traits

include/boost/random/binomial_distribution.hpp

@@ -321,7 +321,7 @@ class binomial_distribution {
             IntType k = static_cast<IntType>(floor((2*_u.btrd.a/us + _u.btrd.b)*u + _u.btrd.c));
             if(k < 0 || k > _t) continue;
             v = v*_u.btrd.alpha/(_u.btrd.a/(us*us) + _u.btrd.b);
-            RealType km = abs(k - m);
+            RealType km = abs(static_cast<RealType>(k) - static_cast<RealType>(m));
             if(km <= 15) {
                 RealType f = 1;
                 if(m < k) {

include/boost/random/uniform_int_distribution.hpp

@@ -120,7 +120,7 @@ T generate_uniform_int(
           if(mult * range_type(brange) == range - mult + 1) {
               // The destination range is an integer power of
               // the generator's range.
-              return(result);
+              return static_cast<result_type>(result);
           }
 
           // Postcondition: mult <= range

test/CMakeLists.txt

@@ -22,7 +22,6 @@ if(HAVE_BOOST_TEST)
             Boost::multiprecision
             Boost::numeric_conversion
             Boost::range
-            Boost::static_assert
             Boost::system
             Boost::throw_exception
             Boost::type_traits

test/Jamfile.v2

@@ -88,6 +88,7 @@ run test_comp_xoshiro128f.cpp ;
 
 run github_issue_133.cpp ;
 run github_issue_147.cpp ;
+run github_issue_150.cpp ;
 
 run niederreiter_base2_validate.cpp /boost/test//boost_unit_test_framework ;
 run sobol_validate.cpp /boost/test//boost_unit_test_framework ;

test/github_issue_150.cpp

@@ -0,0 +1,25 @@
+/*
+* Copyright Matt Borland 2025.
+ * Distributed under 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)
+ *
+ * See http://www.boost.org for most recent version including documentation.
+ *
+ * $Id$
+ */
+
+#include <boost/random.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <random>
+#include <cstdint>
+
+int main()
+{
+    std::mt19937_64 gen;
+    boost::random::binomial_distribution<std::uint64_t> dist;
+
+    BOOST_TEST(dist(gen) >= 0);
+
+    return boost::report_errors();
+}