GraphLab: Distributed Graph-Parallel API  2.1
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float_selector.hpp
1 /**
2  * Copyright (c) 2009 Carnegie Mellon University.
3  * All rights reserved.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing,
12  * software distributed under the License is distributed on an "AS
13  * IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
14  * express or implied. See the License for the specific language
15  * governing permissions and limitations under the License.
16  *
17  * For more about this software visit:
18  *
19  * http://www.graphlab.ml.cmu.edu
20  *
21  */
22 
23 
24 #ifndef GRAPHLAB_FLOAT_SELECTOR_HPP
25 #define GRAPHLAB_FLOAT_SELECTOR_HPP
26 
27 namespace graphlab {
28 
29  template <int len>
30  struct float_selector {
31  // invalid
32  };
33 
34 
35  template <>
36  struct float_selector<4> {
37  typedef float float_type;
38  };
39 
40  template <>
41  struct float_selector<8> {
42  typedef double float_type;
43  };
44 
45  template <>
46  struct float_selector<16> {
47  typedef long double float_type;
48  };
49 
50 }
51 #endif
52 
53