From 52d93d98018c47cb9f8d9271e4ded8ab96b7bfbd Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Wed, 2 Oct 2024 21:22:33 +1000
Subject: get_rf

---
 random.c | 7 +++++++
 random.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/random.c b/random.c
index 7220bc8..f4ddfb9 100644
--- a/random.c
+++ b/random.c
@@ -1,3 +1,4 @@
+#include "maths.h"
 #include "random.h"
 
 int random_table[] = {
@@ -57,3 +58,9 @@ int get_rrange(int mi, int ma) {
 	int r = ma - mi + 1;
 	return n % r + mi;
 }
+
+int get_rf(void) {
+	int n = get_r();
+	int m = f1 - 1;
+	return n & m;
+}
diff --git a/random.h b/random.h
index 22375a1..8c7cb67 100644
--- a/random.h
+++ b/random.h
@@ -9,5 +9,6 @@ extern int random_table[random_table_count];
 
 int get_r(void);
 int get_rrange(int mi, int ma);
+int get_rf(void);
 
 #endif
-- 
cgit v1.2.3-54-g00ecf