|  | /* Copyright (c) 2012 Massachusetts Institute of Technology | 
|  | * | 
|  | * Permission is hereby granted, free of charge, to any person obtaining a copy | 
|  | * of this software and associated documentation files (the "Software"), to deal | 
|  | * in the Software without restriction, including without limitation the rights | 
|  | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | 
|  | * copies of the Software, and to permit persons to whom the Software is | 
|  | * furnished to do so, subject to the following conditions: | 
|  | * | 
|  | * The above copyright notice and this permission notice shall be included in | 
|  | * all copies or substantial portions of the Software. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
|  | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
|  | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | 
|  | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | 
|  | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | 
|  | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | 
|  | * THE SOFTWARE. | 
|  | */ | 
|  |  | 
|  | #ifndef __DSENT_UTIL_CONSTANTS_H__ | 
|  | #define __DSENT_UTIL_CONSTANTS_H__ | 
|  |  | 
|  | namespace DSENT | 
|  | { | 
|  | class Constants | 
|  | { | 
|  | public: | 
|  | // Physical constants | 
|  | static const double pi; | 
|  | static const double k; | 
|  | static const double c; | 
|  | static const double q; | 
|  | static const double e0; | 
|  | static const double es; | 
|  | }; | 
|  |  | 
|  | } // namespace DSENT | 
|  |  | 
|  | #endif // __DSENT_UTIL_CONSTANTS_H__ | 
|  |  |