Changeset 2167 in webkit for trunk/JavaScriptCore/kjs
- Timestamp:
- Sep 25, 2002, 1:25:23 PM (23 years ago)
- File:
-
- 1 edited
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trunk/JavaScriptCore/kjs/simple_number.h
r1887 r2167 32 32 class SimpleNumber { 33 33 public: 34 enum { tag = 1, shift = 2, mask = (1 << shift) - 1, max = (1 << (31 - shift)) - 1, min = -max - 1 };34 enum { tag = 1, shift = 2, mask = (1 << shift) - 1, sign = 1 << 31, max = (1 << (31 - shift)) - 1, min = -max - 1 }; 35 35 36 36 static inline bool is(const ValueImp *imp) { return ((int)imp & mask) == tag; } 37 static inline int value(const ValueImp *imp) { return ((int)imp >> shift) | (((int)imp & min) ? ~max : 0); }37 static inline int value(const ValueImp *imp) { return ((int)imp >> shift) | (((int)imp & sign) ? ~max : 0); } 38 38 39 39 static inline bool fits(int i) { return i <= max && i >= min; }
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