round.h 1001 B

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  1. // This file is part of libigl, a simple c++ geometry processing library.
  2. //
  3. // Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
  4. //
  5. // This Source Code Form is subject to the terms of the Mozilla Public License
  6. // v. 2.0. If a copy of the MPL was not distributed with this file, You can
  7. // obtain one at http://mozilla.org/MPL/2.0/.
  8. #ifndef IGL_ROUND_H
  9. #define IGL_ROUND_H
  10. #include "igl_inline.h"
  11. #include <Eigen/Dense>
  12. namespace igl
  13. {
  14. // Round a scalar value
  15. //
  16. // Inputs:
  17. // x number
  18. // Returns x rounded to integer
  19. template <typename DerivedX>
  20. DerivedX round(const DerivedX r);
  21. // Round a given matrix to nearest integers
  22. //
  23. // Inputs:
  24. // X m by n matrix of scalars
  25. // Outputs:
  26. // Y m by n matrix of rounded integers
  27. template < typename DerivedX, typename DerivedY>
  28. IGL_INLINE void round(
  29. const Eigen::PlainObjectBase<DerivedX>& X,
  30. Eigen::PlainObjectBase<DerivedY>& Y);
  31. }
  32. #ifndef IGL_STATIC_LIBRARY
  33. # include "round.cpp"
  34. #endif
  35. #endif