diff options
Diffstat (limited to 'lib/nimbase.h')
| -rw-r--r-- | lib/nimbase.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/nimbase.h b/lib/nimbase.h index 19d161adf..b16b27b2c 100644 --- a/lib/nimbase.h +++ b/lib/nimbase.h @@ -285,8 +285,8 @@ static N_INLINE(NI32, float32ToInt32)(float x) { typedef struct TStringDesc* string; -/* declared size of a sequence: */ -#if defined(__GNUC__) +/* declared size of a sequence/variable length array: */ +#if defined(__GNUC__) || defined(__clang__) || defined(_MSC_VER) # define SEQ_DECL_SIZE /* empty is correct! */ #else # define SEQ_DECL_SIZE 1000000 @@ -314,6 +314,9 @@ static unsigned long nimNaN[2]={0xffffffff, 0x7fffffff}; # define INF INFINITY # elif defined(HUGE_VAL) # define INF HUGE_VAL +# elif defined(_MSC_VER) +# include <float.h> +# define INF (DBL_MAX+DBL_MAX) # else # define INF (1.0 / 0.0) # endif @@ -373,5 +376,8 @@ static inline void GCGuard (void *ptr) { asm volatile ("" :: "X" (ptr)); } # define GC_GUARD #endif +/* Test to see if nimrod and the C compiler agrees on the size of a pointer. + On disagreement, your C compiler will say something like: + "error: 'assert_numbits' declared as an array with a negative size" */ typedef int assert_numbits[sizeof(NI) == sizeof(void*) && NIM_INTBITS == sizeof(NI)*8 ? 1 : -1]; #endif |