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authorLuc Grosheintz <luc.grosheintz@gmail.com>2025-08-11 22:14:54 +0200
committerTomasz Kamiński <tkaminsk@redhat.com>2025-08-21 10:41:53 +0200
commitd6ed0658f70144dbec0fe7c494cf7a2a11b05d2e (patch)
tree052069e8224b6d708ab0c558575e42e48558ac73
parent6190513486ff39f79a614bb3cd42d94b9c17714a (diff)
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libstdc++: Reduce size static storage for __fwd_prod in mdspan.
This fixes an oversight in a previous commit that improved mdspan related code. Because __size doesn't use __fwd_prod, __fwd_prod(__rank) is not needed anymore. Hence, one can shrink the size of __fwd_partial_prods. libstdc++-v3/ChangeLog: * include/std/mdspan (__fwd_partial_prods): Reduce size of the array by 1 element. Reviewed-by: Tomasz Kamiński <tkaminsk@redhat.com> Signed-off-by: Luc Grosheintz <luc.grosheintz@gmail.com>
-rw-r--r--libstdc++-v3/include/std/mdspan4
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/include/std/mdspan b/libstdc++-v3/include/std/mdspan
index 351018a..8f97425 100644
--- a/libstdc++-v3/include/std/mdspan
+++ b/libstdc++-v3/include/std/mdspan
@@ -274,8 +274,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr auto __fwd_partial_prods = [] consteval
{
constexpr size_t __rank = _Extents.size();
- std::array<size_t, __rank + 1> __ret;
- for(size_t __r = 0; __r < __rank + 1; ++__r)
+ std::array<size_t, __rank> __ret;
+ for(size_t __r = 0; __r < __rank; ++__r)
__ret[__r] = __static_prod<_Extents>(0, __r);
return __ret;
}();