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Comparing deliantra/server/include/util.h (file contents):
Revision 1.128 by root, Tue Nov 27 18:47:35 2018 UTC vs.
Revision 1.130 by root, Wed Dec 5 19:03:27 2018 UTC

… …
55# define g_slice_alloc0(s) calloc (1, (s)) 55# define g_slice_alloc0(s) calloc (1, (s))
56# define g_slice_alloc(s) malloc ((s)) 56# define g_slice_alloc(s) malloc ((s))
57# define g_slice_free1(s,p) free ((p)) 57# define g_slice_free1(s,p) free ((p))
58#endif 58#endif
59 59
60// use C0X decltype for auto declarations until ISO C++ sanctifies them (if ever)
61#define auto(var,expr) decltype(expr) var = (expr)
62
63#if cplusplus_does_not_suck /* still sucks in codesize with gcc 6, although local types work now */
64// does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm)
65template<typename T, int N>
66static inline int array_length (const T (&arr)[N])
67{
68 return N;
69}
70#else
71#define array_length(name) (sizeof (name) / sizeof (name [0]))
72#endif
73
74// very ugly macro that basically declares and initialises a variable 60// very ugly macro that basically declares and initialises a variable
75// that is in scope for the next statement only 61// that is in scope for the next statement only
76// works only for stuff that can be assigned 0 and converts to false 62// works only for stuff that can be assigned 0 and converts to false
77// (note: works great for pointers) 63// (note: works great for pointers)
78// most ugly macro I ever wrote 64// most ugly macro I ever wrote
… …
125 111
126// div* only work correctly for div > 0 112// div* only work correctly for div > 0
127// div, with correct rounding (< 0.5 downwards, >=0.5 upwards) 113// div, with correct rounding (< 0.5 downwards, >=0.5 upwards)
128template<typename T> static inline T div (T val, T div) 114template<typename T> static inline T div (T val, T div)
129{ 115{
130 return expect_false (val < 0) ? - ((-val + (div - 1) / 2) / div) : (val + div / 2) / div; 116 return ecb_expect_false (val < 0) ? - ((-val + (div - 1) / 2) / div) : (val + div / 2) / div;
131} 117}
132 118
133template<> inline float div (float val, float div) { return val / div; } 119template<> inline float div (float val, float div) { return val / div; }
134template<> inline double div (double val, double div) { return val / div; } 120template<> inline double div (double val, double div) { return val / div; }
135 121
136// div, round-up 122// div, round-up
137template<typename T> static inline T div_ru (T val, T div) 123template<typename T> static inline T div_ru (T val, T div)
138{ 124{
139 return expect_false (val < 0) ? - ((-val ) / div) : (val + div - 1) / div; 125 return ecb_expect_false (val < 0) ? - ((-val ) / div) : (val + div - 1) / div;
140} 126}
141// div, round-down 127// div, round-down
142template<typename T> static inline T div_rd (T val, T div) 128template<typename T> static inline T div_rd (T val, T div)
143{ 129{
144 return expect_false (val < 0) ? - ((-val + (div - 1) ) / div) : (val ) / div; 130 return ecb_expect_false (val < 0) ? - ((-val + (div - 1) ) / div) : (val ) / div;
145} 131}
146 132
147// lerp* only work correctly for min_in < max_in 133// lerp* only work correctly for min_in < max_in
148// Linear intERPolate, scales val from min_in..max_in to min_out..max_out 134// Linear intERPolate, scales val from min_in..max_in to min_out..max_out
149template<typename T> 135template<typename T>
… …
312 298
313// for symmetry 299// for symmetry
314template<typename T> 300template<typename T>
315inline void sfree (T *ptr, int n = 1) noexcept 301inline void sfree (T *ptr, int n = 1) noexcept
316{ 302{
317 if (expect_true (ptr)) 303 if (ecb_expect_true (ptr))
318 { 304 {
319 slice_alloc -= n * sizeof (T); 305 slice_alloc -= n * sizeof (T);
320 if (DEBUG_POISON) memset (ptr, DEBUG_POISON, n * sizeof (T)); 306 if (DEBUG_POISON) memset (ptr, DEBUG_POISON, n * sizeof (T));
321 g_slice_free1 (n * sizeof (T), (void *)ptr); 307 g_slice_free1 (n * sizeof (T), (void *)ptr);
322 } 308 }

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