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/cvs/rxvt-unicode/src/rxvtutil.h
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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.21 by root, Sun Jan 29 20:51:28 2006 UTC vs.
Revision 1.23 by root, Sun Jan 29 22:30:21 2006 UTC

… …
6 6
7#define PP_CONCAT_(a, b) a ## b 7#define PP_CONCAT_(a, b) a ## b
8#define PP_CONCAT(a, b) PP_CONCAT_(a, b) 8#define PP_CONCAT(a, b) PP_CONCAT_(a, b)
9#define PP_STRINGIFY_(a) #a 9#define PP_STRINGIFY_(a) #a
10#define PP_STRINGIFY(a) PP_STRINGIFY_(a) 10#define PP_STRINGIFY(a) PP_STRINGIFY_(a)
11
12// actually, some gcc-3.x versions work, too
13#define HAVE_GCC_BUILTINS (__GNUC__ >= 4)
11 14
12extern class byteorder { 15extern class byteorder {
13 static unsigned int e; // at least 32 bits 16 static unsigned int e; // at least 32 bits
14public: 17public:
15 byteorder (); 18 byteorder ();
… …
36static inline 39static inline
37T lerp (T a, U b, P p) 40T lerp (T a, U b, P p)
38{ 41{
39 return (int(a) * int(p) + int(b) * int(100 - p)) / 100; 42 return (int(a) * int(p) + int(b) * int(100 - p)) / 100;
40} 43}
44
45// some bit functions, xft fuck me plenty
46#if HAVE_GCC_BUILTINS
47static inline int ctz (unsigned int x) { return __builtin_ctz (x); }
48static inline int popcount (unsigned int x) { return __builtin_popcount (x); }
49#else
50// count trailing zero bits and count # of one bits
51int ctz (unsigned int x);
52int popcount (unsigned int x);
53#endif
41 54
42// in range including end 55// in range including end
43#define IN_RANGE_INC(val,beg,end) \ 56#define IN_RANGE_INC(val,beg,end) \
44 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) 57 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
45 58

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