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