1 /* Handle Fortran - C conversion for MPI Types*/
3 /* Copyright (c) 2010-2021. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #ifndef SMPI_F2C_HPP_INCLUDED
10 #define SMPI_F2C_HPP_INCLUDED
12 #include <unordered_map>
19 // We use a single lookup table for every type.
20 // Beware of collisions if id in mpif.h is not unique
21 static std::unordered_map<unsigned int, F2C*>* f2c_lookup_;
23 static std::unordered_map<unsigned int, F2C*>::size_type num_default_handles_;
27 static void set_f2c_lookup(std::unordered_map<unsigned int, F2C*>* map) { f2c_lookup_ = map; }
28 static int f2c_id() { return f2c_id_; }
29 static void f2c_id_increment() { f2c_id_++; }
32 static void delete_lookup() { delete f2c_lookup_; f2c_lookup_ = nullptr ;}
33 static std::unordered_map<unsigned int, F2C*>* lookup() { return f2c_lookup_; }
35 virtual ~F2C() = default;
37 // Override these to handle specific values.
39 static void free_f(int id) { f2c_lookup_->erase(id); }
41 static void print_f2c_lookup();
42 // This method should be overridden in all subclasses to avoid casting the result when calling it.
43 // For the default one, the MPI_*_NULL returned is assumed to be NULL.
44 static F2C* f2c(int id);
45 static void finish_initialization() { num_default_handles_ = f2c_lookup_->size(); }
46 static std::unordered_map<unsigned int, F2C*>::size_type get_num_default_handles() { return num_default_handles_;}