tiny_dnn  1.0.0
A header only, dependency-free deep learning framework in C++11
nn_error.h
1 /*
2  Copyright (c) 2016, Taiga Nomi
3  All rights reserved.
4 
5  Redistribution and use in source and binary forms, with or without
6  modification, are permitted provided that the following conditions are met:
7  * Redistributions of source code must retain the above copyright
8  notice, this list of conditions and the following disclaimer.
9  * Redistributions in binary form must reproduce the above copyright
10  notice, this list of conditions and the following disclaimer in the
11  documentation and/or other materials provided with the distribution.
12  * Neither the name of the <organization> nor the
13  names of its contributors may be used to endorse or promote products
14  derived from this software without specific prior written permission.
15 
16  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
17  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
20  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #pragma once
28 #include <exception>
29 #include <string>
30 #include "tiny_dnn/util/colored_print.h"
31 
32 namespace tiny_dnn {
33 
37 class nn_error : public std::exception {
38 public:
39  explicit nn_error(const std::string& msg) : msg_(msg) {}
40  const char* what() const throw() override {
41  return msg_.c_str();
42  }
43 
44 private:
45  std::string msg_;
46 };
47 
48 
52 class nn_warn {
53 public:
54  explicit nn_warn(const std::string& msg) : msg_(msg) {
55 #ifdef CNN_USE_STDOUT
56  coloredPrint(Color::YELLOW, msg_h_ + msg_);
57 #endif
58  }
59 
60 private:
61  std::string msg_;
62  std::string msg_h_ = std::string("[WARNING] ");
63 };
64 
65 
69 class nn_info {
70 public:
71  nn_info(const std::string& msg) : msg_(msg) {
72 #ifdef CNN_USE_STDOUT
73  std::cout << msg_h + msg_ << std::endl;
74 #endif
75  }
76 
77 private:
78  std::string msg_;
79  std::string msg_h = std::string("[INFO] ");
80 };
81 
82 
84 public:
85  explicit nn_not_implemented_error(const std::string& msg = "not implemented") : nn_error(msg) {}
86 };
87 
88 } // namespace tiny_dnn
error exception class for tiny-dnn
Definition: nn_error.h:37
info class for tiny-dnn (for debug)
Definition: nn_error.h:69
Definition: nn_error.h:83
warning class for tiny-dnn (for debug)
Definition: nn_error.h:52