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-rw-r--r--Cython/Utility/ModuleSetupCode.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/Cython/Utility/ModuleSetupCode.c b/Cython/Utility/ModuleSetupCode.c
index 5bfefdde3..698a1bed0 100644
--- a/Cython/Utility/ModuleSetupCode.c
+++ b/Cython/Utility/ModuleSetupCode.c
@@ -275,6 +275,17 @@
#endif
#endif
+/* restrict */
+#ifndef CYTHON_RESTRICT
+ #if defined(__GNUC__)
+ #define CYTHON_RESTRICT __restrict__
+ #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+ #define CYTHON_RESTRICT restrict
+ #else
+ #define CYTHON_RESTRICT
+ #endif
+#endif
+
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else