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Fix -Wundef warnings seen in gcc 4.8 and 4.9

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This commit is contained in:
Joao Paulo Magalhaes 2025-02-13 08:38:16 +00:00
parent 96067ad107
commit 3e9dc96eb4
1 changed files with 2 additions and 1 deletions
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3
include/fast_float/constexpr_feature_detect.h
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@ -8,7 +8,7 @@
#endif #endif
// Testing for https://wg21.link/N3652, adopted in C++14 // Testing for https://wg21.link/N3652, adopted in C++14
#if __cpp_constexpr >= 201304 #if defined(__cpp_constexpr) && __cpp_constexpr >= 201304
#define FASTFLOAT_CONSTEXPR14 constexpr #define FASTFLOAT_CONSTEXPR14 constexpr
#else #else
#define FASTFLOAT_CONSTEXPR14 #define FASTFLOAT_CONSTEXPR14
@ -29,6 +29,7 @@
// Testing for relevant C++20 constexpr library features // Testing for relevant C++20 constexpr library features
#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST && \ #if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST && \
defined(__cpp_lib_constexpr_algorithms) && \
__cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/ __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/
#define FASTFLOAT_CONSTEXPR20 constexpr #define FASTFLOAT_CONSTEXPR20 constexpr
#define FASTFLOAT_IS_CONSTEXPR 1 #define FASTFLOAT_IS_CONSTEXPR 1