Line data    Source code

       1              : // Copyright (C) 2015 Technische Universitaet Muenchen
       2              : // This file is part of the Mamico project. For conditions of distribution
       3              : // and use, please see the copyright notice in Mamico's main folder, or at
       4              : // www5.in.tum.de/mamico
       5              : #ifndef _TARCH_LA_SCALAROPERATIONS_H_
       6              : #define _TARCH_LA_SCALAROPERATIONS_H_
       7              : #include <cmath>
       8              : #include <Kokkos_Core.hpp>
       9              : /**     namespace tarch */
      10              : namespace tarch {
      11              : /** namespace la */
      12              : namespace la {
      13              : 
      14              : /**     This function template checks if the difference of two given numbers is
      15              :  *smaller than a given tolerance i.e. if they are mathematically equal.
      16              :  *  @tparam T data type
      17              :  *  @param l First number
      18              :  *  @param r Second number
      19              :  *  @param tolerance Tolerance
      20              :  *      @return 1: if they are equal. 0: if the are not equal.
      21              :  *  @author Philipp Neumann
      22              :  */
      23              : 
      24            0 : template <class T> KOKKOS_INLINE_FUNCTION bool equals(const T& l, const T& r, const T& tolerance) { return std::abs(l - r) <= tolerance; }
      25              : 
      26              : } // namespace la
      27              : } // namespace tarch
      28              : #endif