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Add --random-seed option

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This flag can be used to set the seed for the random number generator.  This
is mainly meant for testing.
This commit is contained in:
Tom Stellard 2020-09-13 20:24:05 -07:00
parent 981cd51ef2
commit 3b54d38578
1 changed files with 8 additions and 0 deletions
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8
src/main.c
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@ -84,6 +84,7 @@ main_parse_cl_arguments(gint *argc, gchar ***argv)
*country_sid = NULL;
gint number_of_passes = 1,
num_matches = 100, skilldiffmax = 20;
guint32 random_seed = 0;
GError *error = NULL;
GOptionContext *context = NULL;
GOptionEntry entries[] =
@ -122,6 +123,10 @@ main_parse_cl_arguments(gint *argc, gchar ***argv)
{ "num-skilldiff", 'S', 0, G_OPTION_ARG_INT, &skilldiffmax,
"[developer] How many skill diff steps to take", "N" },
{ "random-seed", 0, 0, G_OPTION_ARG_INT, &random_seed,
"Seed to initialize random number generator. Valid values are"
" 32-bit unsigned integers > 0", "N"},
{NULL}};
if(argc == NULL || argv == NULL)
@ -174,6 +179,9 @@ main_parse_cl_arguments(gint *argc, gchar ***argv)
country.sid = g_strdup(country_sid);
g_free(country_sid);
}
if (random_seed)
g_rand_set_seed(rand_generator, random_seed);
}
/** Parse the command line arguments given by the user. */