ares_math.h (1742B)
1 /* MIT License 2 * 3 * Copyright (c) 2024 Brad House 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 * SPDX-License-Identifier: MIT 25 */ 26 #ifndef __ARES_MATH_H 27 #define __ARES_MATH_H 28 29 #ifdef _MSC_VER 30 typedef __int64 ares_int64_t; 31 typedef unsigned __int64 ares_uint64_t; 32 #else 33 typedef long long ares_int64_t; 34 typedef unsigned long long ares_uint64_t; 35 #endif 36 37 ares_bool_t ares_is_64bit(void); 38 size_t ares_round_up_pow2(size_t n); 39 size_t ares_log2(size_t n); 40 size_t ares_pow(size_t x, size_t y); 41 size_t ares_count_digits(size_t n); 42 size_t ares_count_hexdigits(size_t n); 43 unsigned char ares_count_bits_u8(unsigned char x); 44 45 #endif