| Allan MacKinnon | 4359d52 | 2018-06-19 13:57:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can |
| 5 | * be found in the LICENSE file. |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | // |
| 12 | // |
| 13 | // |
| 14 | |
| 15 | #define ARRAY_LENGTH(x) (sizeof(x)/sizeof(x[0])) |
| 16 | |
| 17 | // |
| 18 | // |
| 19 | // |
| 20 | |
| 21 | #define MAX_MACRO(a,b) (((a) > (b)) ? (a) : (b)) |
| 22 | #define MIN_MACRO(a,b) (((a) < (b)) ? (a) : (b)) |
| 23 | #define GTE_MACRO(a,b) ((a) >= (b)) |
| 24 | #define LT_MACRO(a,b) ((a) < (b)) |
| 25 | |
| 26 | // |
| 27 | // |
| 28 | // |
| 29 | |
| 30 | #define BITS_TO_MASK(n) (((uint32_t)1<<(n))-1) |
| 31 | #define BITS_TO_MASK_64(n) (((uint64_t)1<<(n))-1) |
| 32 | |
| 33 | #define BITS_TO_MASK_AT(n,b) (BITS_TO_MASK(n)<<(b)) |
| 34 | #define BITS_TO_MASK_AT_64(n,b) (BITS_TO_MASK_64(n)<<(b)) |
| 35 | |
| 36 | // |
| 37 | // |
| 38 | // |
| 39 | |
| Mike Klein | f9ae670 | 2018-06-20 14:05:05 -0400 | [diff] [blame] | 40 | #if defined(_MSC_VER) |
| Allan MacKinnon | c110e79 | 2018-06-21 09:09:56 -0700 | [diff] [blame^] | 41 | #define ALLOCA(n) _alloca(n) |
| Mike Klein | f9ae670 | 2018-06-20 14:05:05 -0400 | [diff] [blame] | 42 | #else |
| Allan MacKinnon | c110e79 | 2018-06-21 09:09:56 -0700 | [diff] [blame^] | 43 | #define ALLOCA(n) alloca(n) |
| Mike Klein | f9ae670 | 2018-06-20 14:05:05 -0400 | [diff] [blame] | 44 | #endif |
| Allan MacKinnon | 4359d52 | 2018-06-19 13:57:04 -0700 | [diff] [blame] | 45 | // |
| 46 | // |
| 47 | // |