| … | |
… | |
| 111 | |
111 | |
| 112 | // div* only work correctly for div > 0 |
112 | // div* only work correctly for div > 0 |
| 113 | // div, with correct rounding (< 0.5 downwards, >=0.5 upwards) |
113 | // div, with correct rounding (< 0.5 downwards, >=0.5 upwards) |
| 114 | template<typename T> static inline T div (T val, T div) |
114 | template<typename T> static inline T div (T val, T div) |
| 115 | { |
115 | { |
| 116 | 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; |
| 117 | } |
117 | } |
| 118 | |
118 | |
| 119 | template<> inline float div (float val, float div) { return val / div; } |
119 | template<> inline float div (float val, float div) { return val / div; } |
| 120 | template<> inline double div (double val, double div) { return val / div; } |
120 | template<> inline double div (double val, double div) { return val / div; } |
| 121 | |
121 | |
| 122 | // div, round-up |
122 | // div, round-up |
| 123 | template<typename T> static inline T div_ru (T val, T div) |
123 | template<typename T> static inline T div_ru (T val, T div) |
| 124 | { |
124 | { |
| 125 | return expect_false (val < 0) ? - ((-val ) / div) : (val + div - 1) / div; |
125 | return ecb_expect_false (val < 0) ? - ((-val ) / div) : (val + div - 1) / div; |
| 126 | } |
126 | } |
| 127 | // div, round-down |
127 | // div, round-down |
| 128 | template<typename T> static inline T div_rd (T val, T div) |
128 | template<typename T> static inline T div_rd (T val, T div) |
| 129 | { |
129 | { |
| 130 | return expect_false (val < 0) ? - ((-val + (div - 1) ) / div) : (val ) / div; |
130 | return ecb_expect_false (val < 0) ? - ((-val + (div - 1) ) / div) : (val ) / div; |
| 131 | } |
131 | } |
| 132 | |
132 | |
| 133 | // lerp* only work correctly for min_in < max_in |
133 | // lerp* only work correctly for min_in < max_in |
| 134 | // 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 |
| 135 | template<typename T> |
135 | template<typename T> |
| … | |
… | |
| 298 | |
298 | |
| 299 | // for symmetry |
299 | // for symmetry |
| 300 | template<typename T> |
300 | template<typename T> |
| 301 | inline void sfree (T *ptr, int n = 1) noexcept |
301 | inline void sfree (T *ptr, int n = 1) noexcept |
| 302 | { |
302 | { |
| 303 | if (expect_true (ptr)) |
303 | if (ecb_expect_true (ptr)) |
| 304 | { |
304 | { |
| 305 | slice_alloc -= n * sizeof (T); |
305 | slice_alloc -= n * sizeof (T); |
| 306 | if (DEBUG_POISON) memset (ptr, DEBUG_POISON, n * sizeof (T)); |
306 | if (DEBUG_POISON) memset (ptr, DEBUG_POISON, n * sizeof (T)); |
| 307 | g_slice_free1 (n * sizeof (T), (void *)ptr); |
307 | g_slice_free1 (n * sizeof (T), (void *)ptr); |
| 308 | } |
308 | } |
