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Stephan T. Lavavej (StephanTLavavej) wants to merge 25 commits into from
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[not for review] constexpr cmath #6394

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09a3b9f
cmath 2026-08-03-T1600
StephanTLavavej Aug 3, 2026
0761307
Copilot review: Add `_CONSTEXPR_CMATH26_NYI_DECL` to avoid inline dec…
StephanTLavavej Aug 4, 2026
4476121
Copilot review: Add TRANSITION comments for error handling in lgamma …
StephanTLavavej Aug 4, 2026
cc7c691
Copilot review: Comment about the absence of Microsoft-specific stuff.
StephanTLavavej Aug 5, 2026
30870f3
Drop `_j0`/`j0` etc. Bessel functions, superseded by Special Math.
StephanTLavavej Aug 5, 2026
96febf4
Drop `_USE_MATH_DEFINES` including `<corecrt_math_defines.h>`, supers…
StephanTLavavej Aug 5, 2026
29e6887
OVERLOADED_PREDICATE => OVERLOADED_COMPARISON
StephanTLavavej Aug 5, 2026
f9703a9
Extract `_STL_DEF_OVERLOADED_CLASSIFICATION_FAMILY1`.
StephanTLavavej Aug 5, 2026
79266a0
Check `_MSVC_LIBC_MATH` which is properly defined, unlike `_MSVC_CONS…
StephanTLavavej Aug 5, 2026
86834ae
VSO_0157762_feature_test_macros: Also exercise `/experimental:mathlib`.
StephanTLavavej Aug 5, 2026
fabfc6b
__msvc_math.hpp: Fix ARM64 error C2169: 'fabsf': intrinsic function, …
StephanTLavavej Aug 7, 2026
e354d83
[STL Vacation] Add test coverage: P0533R9_constexpr_for_cmath_and_cst…
StephanTLavavej Aug 6, 2026
8302185
P0533R9_constexpr_for_cmath_and_cstdlib: Partially remove workarounds…
StephanTLavavej Aug 16, 2026
61a2d8e
P0533R9_constexpr_for_cmath_and_cstdlib: Partially remove workaround …
StephanTLavavej Aug 16, 2026
6020293
tests: MSVC-PR-766982 renamed /experimental:mathlib to /Zc:cmath, pas…
StephanTLavavej Aug 16, 2026
6ec49e0
__msvc_math.hpp: Cite LLVM-214934 for atan2 underflow.
StephanTLavavej Aug 16, 2026
6bd4f4b
__msvc_math.hpp: [Copilot review] Constrain the comparisons for arith…
StephanTLavavej Aug 17, 2026
594646b
__msvc_math.hpp: [Copilot review] Undef `_CONSTEXPR_CMATH26_NYI_DECL`.
StephanTLavavej Aug 17, 2026
c6df60d
__msvc_stdlib.hpp: [Copilot review] Undef `_CONSTEXPR_CSTDLIB23`.
StephanTLavavej Aug 17, 2026
fc27a6d
__msvc_stdlib.hpp: Remove `_M_CEE_MIXED` checks.
StephanTLavavej Aug 17, 2026
2aa87ad
__msvc_stdlib.hpp: Remove `__cplusplus` checks.
StephanTLavavej Aug 17, 2026
bd56bfc
P0533R9_constexpr_for_cmath_and_cstdlib: Partially remove workaround …
StephanTLavavej Aug 20, 2026
c0ba613
__msvc_math.hpp: Fix/refine the cosh/sinh/tanh polyfill workarounds.
StephanTLavavej Aug 22, 2026
d6ad2b8
__msvc_math.hpp: Explain why functions are hand-crafted.
StephanTLavavej Aug 22, 2026
a6bcd8c
P0533R9_constexpr_for_cmath_and_cstdlib: Add test coverage for C++26-…
StephanTLavavej Aug 21, 2026
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4 changes: 3 additions & 1 deletion stl/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,12 +17,14 @@ set(HEADERS
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_heap_algorithms.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_int128.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_iter_core.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_math.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_minmax.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_ostream.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_print.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_ranges_to.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_ranges_tuple_formatter.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_sanitizer_annotate_container.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_stdlib.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_string_view.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_system_error_abi.hpp
${CMAKE_CURRENT_LIST_DIR}/inc/__msvc_threads_core.hpp
Expand Down Expand Up @@ -397,7 +399,7 @@ add_compile_definitions(_CRTBLD _HAS_OLD_IOSTREAMS_MEMBERS=1)
set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT "Embedded")

add_compile_options(/nologo /WX /Gy
"$<$<COMPILE_LANGUAGE:CXX>:/diagnostics:caret;/W4;/w14265;/w15038;/fastfail;/guard:cf;/Zp8;/std:c++latest;/permissive-;/Zc:preprocessor;/Zc:threadSafeInit-;/Zl>"
"$<$<COMPILE_LANGUAGE:CXX>:/diagnostics:caret;/W4;/w14265;/w15038;/fastfail;/guard:cf;/Zp8;/std:c++latest;/permissive-;/Zc:preprocessor;/Zc:threadSafeInit-;/Zc:cmath-;/Zl>"
"$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<IN_LIST:${VCLIBS_TARGET_ARCHITECTURE},x64;arm64;arm64ec>>:/guard:ehcont>"
"$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<IN_LIST:${VCLIBS_TARGET_ARCHITECTURE},arm64;arm64ec>>:/guard:signret>"
"$<$<COMPILE_LANGUAGE:ASM_MASM>:/W3;/quiet>"
Expand Down
522 changes: 522 additions & 0 deletions stl/inc/__msvc_math.hpp
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