simple_number.h
28 #define IS_NEGATIVE_ZERO(num) (num == 0.0 && !memcmp(&num, &SimpleNumber::negZero, sizeof(double)))
35 enum { tag = 1, shift = 2, mask = (1 << shift) - 1, sign = 1L << (sizeof(long) * 8 - 1 ), max = (1L << ((sizeof(long) * 8 - 1) - shift)) - 1, min = -max - 1, imax = (1L << ((sizeof(int) * 8 - 1) - shift)) - 1, imin = -imax - 1 };
38 static inline long value(const ValueImp *imp) { return ((long)imp >> shift) | (((long)imp & sign) ? ~max : 0); }
44 static inline bool fits(double d) { return d >= min && d <= max && d == (double)(long)d && !IS_NEGATIVE_ZERO(d); }
Definition: array_instance.h:27