Dogcows Code - chaz/yoink/blob - src/cml/mathlib/epsilon.h

   1 /* -*- C++ -*- ------------------------------------------------------------
   2
   3 Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
   4
   5 The Configurable Math Library (CML) is distributed under the terms of the
   6 Boost Software License, v1.0 (see cml/LICENSE for details).
   7
   8  *-----------------------------------------------------------------------*/
   9 /** @file
  10  *  @brief
  11  */
  12
  13 #ifndef epsilon_h
  14 #define epsilon_h
  15
  16 namespace cml {
  17
  18 /* @todo: epsilon and tolerance handling.
  19  *
  20  * @note This is a placeholder for a more sophisticated epsilon/tolerance
  21  * system.
  22  */
  23
  24 template < typename Real >
  25 struct epsilon
  26 {
  27     typedef Real value_type;
  28
  29 private:
  30
  31     /** For convenience */
  32     typedef value_type T;
  33
  34 public:
  35
  36     static T placeholder() {
  37         /* Completely arbitrary placeholder value: */
  38         return T(0.0001);
  39     }
  40 };
  41
  42 } // namespace cml
  43
  44 #endif