diff options
Diffstat (limited to 'src/evolver.c')
| -rw-r--r-- | src/evolver.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/src/evolver.c b/src/evolver.c index e3b6ef7..dfba958 100644 --- a/src/evolver.c +++ b/src/evolver.c @@ -16,8 +16,9 @@ static uint32 g_state[4]; void _sal_evo_init(void) { - /* Start up the evolver module. We simply set the 128 bits into a random - state by calling 'rand()'. + /* + * Start up the evolver module. We simply set the 128 bits into a random + * state by calling 'rand()'. */ assert(!g_is_init); srand((uint32)time(NULL)); @@ -30,7 +31,8 @@ void _sal_evo_init(void) void _sal_evo_quit(void) { - /* Quit the evolver module. Reset everything back to zero. + /* + * Quit the evolver module. Reset everything back to zero. */ assert(g_is_init); g_is_init = FALSE; @@ -41,7 +43,8 @@ void _sal_evo_quit(void) void _sal_evo_load_from(FILE *file) { - /* Load evolver state from a binary file. + /* + * Load evolver state from a binary file. */ assert(!g_is_init); assert(file); @@ -53,7 +56,8 @@ void _sal_evo_load_from(FILE *file) void _sal_evo_save_into(FILE *file) { - /* Save evolver state into a binary file. + /* + * Save evolver state into a binary file. */ assert(g_is_init); assert(file); @@ -63,15 +67,17 @@ void _sal_evo_save_into(FILE *file) fwrite(&g_state, sizeof(uint32), 4, file); } -/* Getter methods for the evolver module. +/* +* Getter methods for the evolver module. */ UINT32_GETTER(evo, last_changed_address) UINT32_GETTER(evo, calls_on_last_cycle) uint32 sal_evo_get_state(uint8 state_index) { - /* Get part of the evolver's internal state (32 bits of 128 total bits) as - an unsigned int. + /* + * Get part of the evolver's internal state (32 bits of 128 total bits) as + * an unsigned int. */ assert(g_is_init); assert(state_index < 4); @@ -80,10 +86,11 @@ uint32 sal_evo_get_state(uint8 state_index) static uint32 generate_random_number(void) { - /* Generate a single 32 bit random number. This module makes use of the - XOR-Shift pseudo-rng. We use XOR-Shift because it's extremely lightweight - and fast, while providing quite good results. Find more info about it here: - >>> https://en.wikipedia.org/wiki/Xorshift + /* + * Generate a single 32 bit random number. This module makes use of the + * XOR-Shift pseudo-rng. We use XOR-Shift because it's extremely lightweight + * and fast, while providing quite good results. Find more info about it at: + * https://en.wikipedia.org/wiki/Xorshift */ uint32 tmp1; uint32 tmp2; @@ -103,7 +110,8 @@ static uint32 generate_random_number(void) void _sal_evo_randomize_at(uint32 address) { - /* Place a random instruction into a given address. + /* + * Place a random instruction into a given address. */ uint8 inst; assert(g_is_init); @@ -115,11 +123,11 @@ void _sal_evo_randomize_at(uint32 address) void _sal_evo_cycle(void) { - /* During each simulation cycle, a random 32 bit integer is generated. If - this integer represents a 'valid' address in memory - (i.e. new_rand < memory_size), this address becomes hit by a cosmic ray - (randomized). This simple mutation scheme is enough to drive evolution in - Salis. + /* + * During each simulation cycle, a random 32 bit integer is generated. If + * this integer represents a 'valid' address in memory (new_rand < mem_size), + * this address becomes hit by a cosmic ray (randomized). This simple + * mutation scheme is enough to drive evolution in Salis. */ uint32 address; assert(g_is_init); |