chris@162: /** chris@162: * Copyright (c) 2014, 2015, Enzien Audio Ltd. chris@162: * chris@162: * Permission to use, copy, modify, and/or distribute this software for any chris@162: * purpose with or without fee is hereby granted, provided that the above chris@162: * copyright notice and this permission notice appear in all copies. chris@162: * chris@162: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH chris@162: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY chris@162: * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, chris@162: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM chris@162: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR chris@162: * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR chris@162: * PERFORMANCE OF THIS SOFTWARE. chris@162: */ chris@162: chris@162: #include "Utils_mac.h" chris@162: chris@162: #if HV_APPLE chris@162: chris@162: hv_size_t hv_max_ui(hv_size_t x, hv_size_t y) { chris@162: return (x >= y) ? x : y; chris@162: } chris@162: chris@162: hv_size_t hv_min_ui(hv_size_t x, hv_size_t y) { chris@162: return (x <= y) ? x : y; chris@162: } chris@162: chris@162: int hv_max_i(int x, int y) { chris@162: return (x >= y) ? x : y; chris@162: } chris@162: chris@162: int hv_min_i(int x, int y) { chris@162: return (x <= y) ? x : y; chris@162: } chris@162: chris@162: hv_uint32_t hv_min_max_log2(hv_uint32_t x) { chris@162: // finds ceil(log2(x)) chris@162: // http://stackoverflow.com/questions/2589096/find-most-significant-bit-left-most-that-is-set-in-a-bit-array chris@162: return (hv_uint32_t) ((8 * sizeof(unsigned int)) - __builtin_clz(x - 1)); chris@162: } chris@162: chris@162: #endif // HV_APPLE