chris@160: /**
chris@160:  * Copyright (c) 2014, 2015, Enzien Audio Ltd.
chris@160:  *
chris@160:  * Permission to use, copy, modify, and/or distribute this software for any
chris@160:  * purpose with or without fee is hereby granted, provided that the above
chris@160:  * copyright notice and this permission notice appear in all copies.
chris@160:  *
chris@160:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
chris@160:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
chris@160:  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
chris@160:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
chris@160:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
chris@160:  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
chris@160:  * PERFORMANCE OF THIS SOFTWARE.
chris@160:  */
chris@160: 
chris@160: #include "Utils_unix.h"
chris@160: 
chris@160: #if HV_UNIX
chris@160: 
chris@160: hv_size_t hv_max_ui(hv_size_t x, hv_size_t y) {
chris@160:   return (x >= y) ? x : y;
chris@160: }
chris@160: 
chris@160: hv_size_t hv_min_ui(hv_size_t x, hv_size_t y) {
chris@160:   return (x <= y) ? x : y;
chris@160: }
chris@160: 
chris@160: int hv_max_i(int x, int y) {
chris@160:   return (x >= y) ? x : y;
chris@160: }
chris@160: 
chris@160: int hv_min_i(int x, int y) {
chris@160:   return (x <= y) ? x : y;
chris@160: }
chris@160: 
chris@160: hv_uint32_t hv_min_max_log2(hv_uint32_t x) {
chris@160:   // finds ceil(log2(x))
chris@160:   // http://stackoverflow.com/questions/2589096/find-most-significant-bit-left-most-that-is-set-in-a-bit-array
chris@160:   return (hv_uint32_t) ((8 * sizeof(unsigned int)) - __builtin_clz(x - 1));
chris@160: }
chris@160: 
chris@160: #endif // HV_UNIX