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From 2c4580c119cc40ca5341d634bb579a77f6d88ce6 Mon Sep 17 00:00:00 2001
From: Matt Borland <[email protected]>
Date: Tue, 28 Apr 2026 11:27:23 -0400
Subject: [PATCH 1/3] Allow fallthrough of Android to 128-bit float
---
include/boost/math/special_functions/detail/fp_traits.hpp | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/boost/math/special_functions/detail/fp_traits.hpp b/include/boost/math/special_functions/detail/fp_traits.hpp
index 7cdb12b188..368df69f3b 100644
--- a/include/boost/math/special_functions/detail/fp_traits.hpp
+++ b/include/boost/math/special_functions/detail/fp_traits.hpp
@@ -305,9 +305,12 @@ template<> struct fp_traits_non_native<long double, double_precision>
// long double (>64 bits), x86 and x64 -----------------------------------------
-#elif defined(__i386) || defined(__i386__) || defined(_M_IX86) \
+// Andorid is a known exception because on x64 it reports LDBL_MANT_DIG == 113
+// See: https://github.com/boostorg/math/issues/1389
+
+#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) \
|| defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) \
- || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)
+ || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)) && !defined(__ANDROID__)
// Intel extended double precision format (80 bits)
From 8d8f4e4b22a02943023de47283d4948e10e20d9e Mon Sep 17 00:00:00 2001
From: Matt Borland <[email protected]>
Date: Tue, 28 Apr 2026 13:28:33 -0400
Subject: [PATCH 2/3] Match drone.sh to boost.sh
---
.drone/drone.sh | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/boost/math/special_functions/detail/fp_traits.hpp b/include/boost/math/special_functions/detail/fp_traits.hpp
index 368df69f3b..7362d0fada 100644
--- a/include/boost/math/special_functions/detail/fp_traits.hpp
+++ b/include/boost/math/special_functions/detail/fp_traits.hpp
@@ -270,13 +270,7 @@ template<> struct fp_traits_non_native<double, double_precision>
// long double (64 bits) -------------------------------------------------------
-#if defined(BOOST_NO_INT64_T) || defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)\
- || defined(BOOST_BORLANDC) || defined(__CODEGEAR__) || (defined(__APPLE__) && defined(__aarch64__)) || defined(_MSC_VER)\
- || (defined(__GNUC__) && defined(__aarch64__) && defined(_WIN32))\
- || (defined(__GNUC__) && (defined(__arm__) || defined(__thumb__)))\
- || defined(__SYCL_DEVICE_ONLY__) || (LDBL_MANT_DIG == 53)
-
-static_assert(LDBL_MANT_DIG == 53, "Oops, assumption that long double is a 64-bit quantity is incorrect!!");
+#if LDBL_MANT_DIG == 53 || defined(__SYCL_DEVICE_ONLY__)
template<> struct fp_traits_non_native<long double, double_precision>
{
@@ -305,17 +299,10 @@ template<> struct fp_traits_non_native<long double, double_precision>
// long double (>64 bits), x86 and x64 -----------------------------------------
-// Andorid is a known exception because on x64 it reports LDBL_MANT_DIG == 113
-// See: https://github.com/boostorg/math/issues/1389
-
-#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) \
- || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) \
- || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)) && !defined(__ANDROID__)
+#elif LDBL_MANT_DIG == 64
// Intel extended double precision format (80 bits)
-static_assert(LDBL_MANT_DIG == 64, "Oops, assumption that long double is an 80-bit quantity is incorrect!!");
-
template<>
struct fp_traits_non_native<long double, extended_double_precision>
{
@@ -443,8 +430,6 @@ struct fp_traits_non_native<long double, extended_double_precision>
// IEEE extended double precision format with 15 exponent bits (128 bits)
-static_assert(LDBL_MANT_DIG == 113, "Oops, assumption that long double is a 128-bit quantity is incorrect!!");
-
template<>
struct fp_traits_non_native<long double, extended_double_precision>
{
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