From 1c8fd14499b87509684cb851ad5cb1e2a2aff439 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Sat, 3 Jul 2010 02:55:27 +0200
Subject: [PATCH] fast_irandom(): Implement

---
 random.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/random.h b/random.h
index 5d15071..ea08d28 100644
--- a/random.h
+++ b/random.h
@@ -5,9 +5,22 @@
 
 void fast_srandom(unsigned long seed);
 unsigned long fast_getseed(void);
+
 /* Note that only 16bit numbers can be returned. */
 uint16_t fast_random(unsigned int max);
+/* Use this one if you want larger numbers. */
+static uint32_t fast_irandom(unsigned int max);
+
 /* Get random number in [0..1] range. */
 float fast_frandom();
 
+
+static inline uint32_t
+fast_irandom(unsigned int max)
+{
+	if (max <= 65536)
+		return fast_random(max);
+	return (fast_random(max / 65536 + 1) << 16) | fast_random(65536);
+}
+
 #endif
-- 
2.11.4.GIT