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Commit 91ee3958 authored by Matthieu Schaller's avatar Matthieu Schaller
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Cleaned-up main.c and removed unused dependency on zlib.

parent 80e9e398
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configure.ac
View file @ 91ee3958
......@@ -287,11 +287,11 @@ AC_SUBST([METIS_LIBS])
AC_SUBST([METIS_INCS])
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])
# Check for zlib.
AC_CHECK_LIB([z],[gzopen],[
AC_DEFINE([HAVE_LIBZ],[1],[Set to 1 if zlib is installed.])
LDFLAGS="$LDFLAGS -lz"
],[])
# # Check for zlib.
# AC_CHECK_LIB([z],[gzopen],[
# AC_DEFINE([HAVE_LIBZ],[1],[Set to 1 if zlib is installed.])
# LDFLAGS="$LDFLAGS -lz"
# ],[])
# Check for HDF5. This is required.
......
examples/main.c
View file @ 91ee3958
......@@ -23,20 +23,10 @@
#include "../config.h"
/* Some standard headers. */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <math.h>
#include <float.h>
#include <limits.h>
#include <fenv.h>
/* Conditional headers. */
#ifdef HAVE_LIBZ
#include <zlib.h>
#endif
/* MPI headers. */
#ifdef WITH_MPI
......@@ -80,6 +70,7 @@ int main(int argc, char *argv[]) {
int with_outputs = 1;
int with_external_gravity = 0;
int with_self_gravity = 0;
int with_hydro = 0;
int engine_policies = 0;
int verbose = 0, talking = 0;
unsigned long long cpufreq = 0;
......@@ -154,9 +145,6 @@ int main(int argc, char *argv[]) {
}
#endif
/* Init the space. */
bzero(&s, sizeof(struct space));
/* Parse the options */
while ((c = getopt(argc, argv, "a:c:d:e:f:gGh:m:oP:q:R:s:t:v:w:y:z:")) != -1)
switch (c) {
......@@ -300,6 +288,7 @@ int main(int argc, char *argv[]) {
break;
}
/* Some initial information about domain decomposition */
#ifdef WITH_MPI
if (myrank == 0) {
message("Running with %i thread(s) per node.", nr_threads);
......@@ -322,11 +311,9 @@ int main(int argc, char *argv[]) {
/* How large are the parts? */
if (myrank == 0) {
message("sizeof(struct part) is %li bytes.", (long int)sizeof(struct part));
message("sizeof(struct xpart) is %li bytes.",
(long int)sizeof(struct xpart));
message("sizeof(struct gpart) is %li bytes.",
(long int)sizeof(struct gpart));
message("sizeof(struct part) is %zi bytes.", sizeof(struct part));
message("sizeof(struct xpart) is %zi bytes.", sizeof(struct xpart));
message("sizeof(struct gpart) is %zi bytes.", sizeof(struct gpart));
}
/* Initialize unit system */
......@@ -355,8 +342,7 @@ int main(int argc, char *argv[]) {
if (strcmp(ICfileName, "") == 0)
error("An IC file name must be provided via the option -f");
/* Read particles and space information from (GADGET) IC */
/* Read particles and space information from (GADGET) ICs */
if (myrank == 0) clocks_gettime(&tic);
#if defined(WITH_MPI)
#if defined(HAVE_PARALLEL_HDF5)
......@@ -369,7 +355,6 @@ int main(int argc, char *argv[]) {
#else
read_ic_single(ICfileName, dim, &parts, &gparts, &Ngas, &Ngpart, &periodic);
#endif
if (myrank == 0) {
clocks_gettime(&toc);
message("reading particle properties took %.3f %s.",
......@@ -377,6 +362,7 @@ int main(int argc, char *argv[]) {
fflush(stdout);
}
/* Get the total number of particles across all nodes. */
#if defined(WITH_MPI)
long long N_long[2] = {Ngas, Ngpart};
MPI_Reduce(&N_long, &N_total, 2, MPI_LONG_LONG, MPI_SUM, 0, MPI_COMM_WORLD);
......@@ -441,6 +427,7 @@ int main(int argc, char *argv[]) {
talking = (verbose == 1 && myrank == 0) || (verbose == 2);
/* Initialize the space with this data. */
bzero(&s, sizeof(struct space));
if (myrank == 0) clocks_gettime(&tic);
space_init(&s, dim, parts, gparts, Ngas, Ngpart, periodic, h_max,
myrank == 0);
......@@ -461,7 +448,6 @@ int main(int argc, char *argv[]) {
message("%zi parts in %i cells.", s.nr_parts, s.tot_cells);
message("%zi gparts in %i cells.", s.nr_gparts, s.tot_cells);
message("maximum depth is %d.", s.maxdepth);
// message( "cutoffs in [ %g %g ]." , s.h_min , s.h_max ); fflush(stdout);
}
/* Verify that each particle is in it's proper cell. */
......@@ -471,6 +457,7 @@ int main(int argc, char *argv[]) {
message("map_cellcheck picked up %i parts.", icount);
}
/* Verify the maximal depth of cells. */
if (myrank == 0) {
data[0] = s.maxdepth;
data[1] = 0;
......@@ -479,7 +466,8 @@ int main(int argc, char *argv[]) {
}
/* Construct the engine policy */
engine_policies = ENGINE_POLICY | engine_policy_steal | engine_policy_hydro;
engine_policies = ENGINE_POLICY | engine_policy_steal;
if (with_hydro) engine_policies |= engine_policy_hydro;
if (with_external_gravity) engine_policies |= engine_policy_external_gravity;
if (with_self_gravity) engine_policies |= engine_policy_self_gravity;
......@@ -502,8 +490,7 @@ int main(int argc, char *argv[]) {
#endif
if (with_outputs) {
/* Write the state of the system as it is before starting time integration.
*/
/* Write the state of the system before starting time integration. */
if (myrank == 0) clocks_gettime(&tic);
#if defined(WITH_MPI)
#if defined(HAVE_PARALLEL_HDF5)
......@@ -529,6 +516,7 @@ int main(int argc, char *argv[]) {
for (k = 0; k < runner_hist_N; k++) runner_hist_bins[k] = 0;
#endif
/* Get some info to the user. */
if (myrank == 0) {
message(
"Running on %lld gas particles and %lld DM particles until t=%.3e with "
......@@ -650,26 +638,6 @@ int main(int argc, char *argv[]) {
fclose(file_thread);
#endif
}
/* Dump a line of aggregate output. */
/* if (myrank == 0) { */
/* printf("%i %e %.16e %.16e %.16e %.3e %.3e %i %.3e %.3e", j, e.time,
*/
/* e.ekin + e.epot, e.ekin, e.epot, e.dt, e.dt_step,
* e.count_step, */
/* e.dt_min, e.dt_max); */
/* for (k = 0; k < timer_count; k++) */
/* printf(" %.3f", clocks_from_ticks(timers[k]); */
/* printf("\n"); */
/* fflush(stdout); */
/* } */
/* if (myrank == 0) { */
/* printf("%i %e", j, e.time); */
/* printf(" %.3f", clocks_from_ticks(timers[timer_count - 1]); */
/* printf("\n"); */
/* fflush(stdout); */
/* } */
}
/* Print the values of the runner histogram. */
......
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