/usr/include/meep/mympi.hpp is in libmeep-mpich2-dev 1.3-4build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | // -*- C++ -*-
/* Copyright (C) 2005-2015 Massachusetts Institute of Technology
%
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2, or (at your option)
% any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; if not, write to the Free Software Foundation,
% Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef MEEP_MY_MPI_H
#define MEEP_MY_MPI_H
#include <complex>
namespace meep {
// MPI helper routines!
double wall_time(void);
class initialize {
public:
initialize(int &argc, char** &argv);
~initialize();
double elapsed_time() { return wall_time() - t_start; }
private:
double t_start;
};
#ifdef __GNUC__
# define NORETURN_ATTR __attribute__((noreturn))
# define PRINTF_ATTR(f,a) __attribute__((format(printf, f, a)))
#else
# define NORETURN_ATTR
# define PRINTF_ATTR(f,a)
#endif
void abort(const char *fmt, ...) NORETURN_ATTR PRINTF_ATTR(1,2);
void all_wait();
int count_processors();
int my_rank();
bool am_really_master();
inline int am_master() { return my_rank() == 0; }
void send(int from, int to, double *data, int size=1);
void broadcast(int from, double *data, int size);
void broadcast(int from, char *data, int size);
void broadcast(int from, int *data, int size);
void broadcast(int from, std::complex<double> *data, int size);
std::complex<double> broadcast(int from, std::complex<double> data);
double broadcast(int from, double data);
int broadcast(int from, int data);
bool broadcast(int from, bool);
double max_to_master(double); // Only returns the correct value to proc 0.
double max_to_all(double);
int max_to_all(int);
double sum_to_master(double); // Only returns the correct value to proc 0.
double sum_to_all(double);
void sum_to_all(const double *in, double *out, int size);
void sum_to_master(const double *in, double *out, int size);
void sum_to_all(const float *in, double *out, int size);
void sum_to_all(const std::complex<float> *in, std::complex<double> *out, int size);
void sum_to_all(const std::complex<double> *in, std::complex<double> *out, int size);
void sum_to_master(const std::complex<double> *in, std::complex<double> *out, int size);
long double sum_to_all(long double);
std::complex<double> sum_to_all(std::complex<double> in);
std::complex<long double> sum_to_all(std::complex<long double> in);
int sum_to_all(int);
int partial_sum_to_all(int in);
bool or_to_all(bool in);
void or_to_all(const int *in, int *out, int size);
bool and_to_all(bool in);
void and_to_all(const int *in, int *out, int size);
// IO routines:
void master_printf(const char *fmt, ...) PRINTF_ATTR(1,2);
void debug_printf(const char *fmt, ...) PRINTF_ATTR(1,2);
void master_fprintf(FILE *f, const char *fmt, ...) PRINTF_ATTR(2,3);
FILE *master_fopen(const char *name, const char *mode);
void master_fclose(FILE *f);
void begin_critical_section(int tag);
void end_critical_section(int tag);
int divide_parallel_processes(int numgroups);
void begin_global_communications(void);
void end_global_communications(void);
void end_divide_parallel(void);
int my_global_rank(void);
} /* namespace meep */
#endif /* MEEP_MY_MPI_H */
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