added distributed-memory parallelism using MPI, overhaul of error and message routines.

Former-commit-id: e8cf0fc51706bd397acc771c775fe0df0044040b

examples/Makefile.am

@@ -23,28 +23,48 @@ AUTOMAKE_OPTIONS=gnu
 MYFLAGS = -DTIMER
 
 # Add the source directory and debug to CFLAGS
-AM_CFLAGS = -g -Wall -Werror -I../src $(OPENMP_CFLAGS) -DCPU_TPS=2.67e9
+AM_CFLAGS = -g -std=gnu99 -Wall -Werror -I../src $(OPENMP_CFLAGS) -DCPU_TPS=2.67e9
 
 AM_LDFLAGS =
 
 # Set-up the library
 bin_PROGRAMS = test test_fixdt test_mindt test_single
 
+# Build MPI versions as well?
+if HAVEMPI
+bin_PROGRAMS += test_mpi test_fixdt_mpi test_mindt_mpi
+endif
+
 # Sources for test
 test_SOURCES = test.c
-test_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_multistep | engine_policy_keep"
+test_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_multistep | engine_policy_keep | engine_policy_setaffinity"
 test_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
 
 # Sources for test_fixdt
 test_fixdt_SOURCES = test.c
-test_fixdt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_fixdt | engine_policy_keep"
+test_fixdt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_fixdt | engine_policy_keep | engine_policy_setaffinity"
 test_fixdt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
 
 # Sources for test_mindt
 test_mindt_SOURCES = test.c
-test_mindt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_keep"
+test_mindt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_keep | engine_policy_setaffinity"
 test_mindt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
 
+# Sources for test_mpi
+test_mpi_SOURCES = test.c
+test_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_multistep | engine_policy_keep"
+test_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+
+# Sources for test_fixdt_mpi
+test_fixdt_mpi_SOURCES = test.c
+test_fixdt_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_fixdt | engine_policy_keep"
+test_fixdt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+
+# Sources for test_mindt_mpi
+test_mindt_mpi_SOURCES = test.c
+test_mindt_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_keep"
+test_mindt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+
 # Sources for test_single
 test_single_SOURCES = test_single.c
 test_single_CFLAGS = $(MYFLAGS) $(AM_CFLAGS)

examples/test_single.c

@@ -51,9 +51,6 @@
     #define ENGINE_POLICY engine_policy_none
 #endif
 
-/* Error macro. */
-#define error(s) { printf( "%s:%s:%i: %s\n" , __FILE__ , __FUNCTION__ , __LINE__ , s ); abort(); }
-
 
 /**
  * @brief Main routine that loads a few particles and generates some output.