Taking the first 4 bits for next state actually gives even better results in tests HEAD master

1 files changed, 2 insertions, 2 deletions

diff --git a/xorshift.c b/xorshift.c
index c11cc7a..ac4d087 100644
--- a/xorshift.c
+++ b/xorshift.c
@@ -22,14 +22,14 @@ __attribute__((visibility("default"))) bool initialize_states(){
 		errno = EIO;
 		return false;
 	}
-	global_rng_state.state_idx = global_rng_state.states[7] & 0x0f;
+	global_rng_state.state_idx = global_rng_state.states[7] >> 28;
 	errno = 0;
 	return true;
 }
 
 __attribute__((visibility("default"))) uint32_t get_random_output(){
 	size_t use_state = global_rng_state.state_idx;
-	global_rng_state.state_idx = global_rng_state.states[use_state] & 0x0f;
+	global_rng_state.state_idx = global_rng_state.states[use_state] >> 28;
 	if ( global_rng_state.gen_period_ctr >= 0xffffffff ){
 		global_rng_state.period_end_ctr++;
 		if ( global_rng_state.period_end_ctr >= 16 ){