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/data/users/matthijs/github_faiss/faiss/FaissAssert.h
1 /**
2 * Copyright (c) 2015-present, Facebook, Inc.
3 * All rights reserved.
4 *
5 * This source code is licensed under the CC-by-NC license found in the
6 * LICENSE file in the root directory of this source tree.
7 */
8
9 // Copyright 2004-present Facebook. All Rights Reserved.
10
11 #ifndef FAISS_ASSERT_INCLUDED
12 #define FAISS_ASSERT_INCLUDED
13
14 #include "FaissException.h"
15 #include <cstdlib>
16 #include <cstdio>
17 #include <string>
18
19 ///
20 /// Assertions
21 ///
22
23 #define FAISS_ASSERT(X) \
24 do { \
25 if (! (X)) { \
26 fprintf(stderr, "Faiss assertion '%s' failed in %s " \
27 "at %s:%d\n", \
28 #X, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
29 abort(); \
30 } \
31 } while (false)
32
33 #define FAISS_ASSERT_MSG(X, MSG) \
34 do { \
35 if (! (X)) { \
36 fprintf(stderr, "Faiss assertion '%s' failed in %s " \
37 "at %s:%d; details: " MSG "\n", \
38 #X, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
39 abort(); \
40 } \
41 } while (false)
42
43 #define FAISS_ASSERT_FMT(X, FMT, ...) \
44 do { \
45 if (! (X)) { \
46 fprintf(stderr, "Faiss assertion '%s' failed in %s " \
47 "at %s:%d; details: " FMT "\n", \
48 #X, __PRETTY_FUNCTION__, __FILE__, __LINE__, __VA_ARGS__); \
49 abort(); \
50 } \
51 } while (false)
52
53 ///
54 /// Exceptions for returning user errors
55 ///
56
57 #define FAISS_THROW_MSG(MSG) \
58 do { \
59 throw FaissException(MSG, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
60 } while (false)
61
62 #define FAISS_THROW_FMT(FMT, ...) \
63 do { \
64 std::string __s; \
65 int __size = snprintf(nullptr, 0, FMT, __VA_ARGS__); \
66 __s.resize(__size + 1); \
67 snprintf(&__s[0], __s.size(), FMT, __VA_ARGS__); \
68 throw FaissException(__s, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
69 } while (false)
70
71 ///
72 /// Exceptions thrown upon a conditional failure
73 ///
74
75 #define FAISS_THROW_IF_NOT(X) \
76 do { \
77 if (!(X)) { \
78 FAISS_THROW_FMT("Error: '%s' failed", #X); \
79 } \
80 } while (false)
81
82 #define FAISS_THROW_IF_NOT_MSG(X, MSG) \
83 do { \
84 if (!(X)) { \
85 FAISS_THROW_FMT("Error: '%s' failed: " MSG, #X); \
86 } \
87 } while (false)
88
89 #define FAISS_THROW_IF_NOT_FMT(X, FMT, ...) \
90 do { \
91 if (!(X)) { \
92 FAISS_THROW_FMT("Error: '%s' failed: " FMT, #X, __VA_ARGS__); \
93 } \
94 } while (false)
95
96 #endif