Move macros to macro header

Author: AntoinePrv

include/xsimd/config/xsimd_macros.hpp

@@ -29,4 +29,48 @@
 #define XSIMD_CONCAT_INNER(a, b) a##b
 #define XSIMD_CONCAT(a, b) XSIMD_CONCAT_INNER(a, b)
 
+#if defined(__FAST_MATH__)
+#define XSIMD_NO_DENORMALS
+#define XSIMD_NO_INFINITIES
+#define XSIMD_NO_NANS
+#endif
+
+#if defined(__has_cpp_attribute)
+// if this check passes, then the compiler supports feature test macros
+#if __has_cpp_attribute(nodiscard) >= 201603L
+// if this check passes, then the compiler supports [[nodiscard]] without a message
+#define XSIMD_NO_DISCARD [[nodiscard]]
+#endif
+#endif
+
+#if !defined(XSIMD_NO_DISCARD) && __cplusplus >= 201703L
+// this means that the previous tests failed, but we are using C++17 or higher
+#define XSIMD_NO_DISCARD [[nodiscard]]
+#endif
+
+#if !defined(XSIMD_NO_DISCARD) && (defined(__GNUC__) || defined(__clang__))
+// this means that the previous checks failed, but we are using GCC or Clang
+#define XSIMD_NO_DISCARD __attribute__((warn_unused_result))
+#endif
+
+#if !defined(XSIMD_NO_DISCARD)
+// this means that all the previous checks failed, so we fallback to doing nothing
+#define XSIMD_NO_DISCARD
+#endif
+
+#ifdef __cpp_if_constexpr
+// this means that the compiler supports the `if constexpr` construct
+#define XSIMD_IF_CONSTEXPR if constexpr
+#endif
+
+#if !defined(XSIMD_IF_CONSTEXPR) && __cplusplus >= 201703L
+// this means that the previous test failed, but we are using C++17 or higher
+#define XSIMD_IF_CONSTEXPR if constexpr
+#endif
+
+#if !defined(XSIMD_IF_CONSTEXPR)
+// this means that all the previous checks failed, so we fallback to a normal `if`
+#define XSIMD_IF_CONSTEXPR if
+#endif
+
 #endif

include/xsimd/types/xsimd_batch.hpp

@@ -16,6 +16,7 @@
 #include <complex>
 
 #include "../config/xsimd_arch.hpp"
+#include "../config/xsimd_macros.hpp"
 #include "../memory/xsimd_alignment.hpp"
 #include "./xsimd_utils.hpp"
 

include/xsimd/xsimd.hpp

@@ -12,50 +12,6 @@
 #ifndef XSIMD_HPP
 #define XSIMD_HPP
 
-#if defined(__FAST_MATH__)
-#define XSIMD_NO_DENORMALS
-#define XSIMD_NO_INFINITIES
-#define XSIMD_NO_NANS
-#endif
-
-#if defined(__has_cpp_attribute)
-// if this check passes, then the compiler supports feature test macros
-#if __has_cpp_attribute(nodiscard) >= 201603L
-// if this check passes, then the compiler supports [[nodiscard]] without a message
-#define XSIMD_NO_DISCARD [[nodiscard]]
-#endif
-#endif
-
-#if !defined(XSIMD_NO_DISCARD) && __cplusplus >= 201703L
-// this means that the previous tests failed, but we are using C++17 or higher
-#define XSIMD_NO_DISCARD [[nodiscard]]
-#endif
-
-#if !defined(XSIMD_NO_DISCARD) && (defined(__GNUC__) || defined(__clang__))
-// this means that the previous checks failed, but we are using GCC or Clang
-#define XSIMD_NO_DISCARD __attribute__((warn_unused_result))
-#endif
-
-#if !defined(XSIMD_NO_DISCARD)
-// this means that all the previous checks failed, so we fallback to doing nothing
-#define XSIMD_NO_DISCARD
-#endif
-
-#ifdef __cpp_if_constexpr
-// this means that the compiler supports the `if constexpr` construct
-#define XSIMD_IF_CONSTEXPR if constexpr
-#endif
-
-#if !defined(XSIMD_IF_CONSTEXPR) && __cplusplus >= 201703L
-// this means that the previous test failed, but we are using C++17 or higher
-#define XSIMD_IF_CONSTEXPR if constexpr
-#endif
-
-#if !defined(XSIMD_IF_CONSTEXPR)
-// this means that all the previous checks failed, so we fallback to a normal `if`
-#define XSIMD_IF_CONSTEXPR if
-#endif
-
 #include "config/xsimd_config.hpp"
 #include "config/xsimd_macros.hpp"