From 18fd5c908197dec7ea7da5112a9f6a3858e67d03 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Fri, 1 Mar 2013 16:24:20 +0000
Subject: [PATCH] math: try to refactor rand() to bypass an X360 compiler bug.

---
 src/lol/math/rand.h | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/src/lol/math/rand.h b/src/lol/math/rand.h
index 3938904c..e60d0812 100644
--- a/src/lol/math/rand.h
+++ b/src/lol/math/rand.h
@@ -33,14 +33,29 @@ template<typename T> static inline T rand(T a)
     return rand<T>() % a;
 }
 
-template<>
-inline half rand<half>(half a) { return a * std::rand() / RAND_MAX; }
-template<>
-inline float rand<float>(float a) { return a * std::rand() / RAND_MAX; }
-template<>
-inline double rand<double>(double a) { return a * std::rand() / RAND_MAX; }
-template<>
-inline ldouble rand<ldouble>(ldouble a) { return a * std::rand() / RAND_MAX; }
+template<> inline half rand<half>(half a)
+{
+    float f = (float)std::rand() / (float)RAND_MAX;
+    return (half)(a * f);
+}
+
+template<> inline float rand<float>(float a)
+{
+    float f = (float)std::rand() / (float)RAND_MAX;
+    return a * f;
+}
+
+template<> inline double rand<double>(double a)
+{
+    double f = (double)std::rand() / (double)RAND_MAX;
+    return a * f;
+}
+
+template<> inline ldouble rand<ldouble>(ldouble a)
+{
+    ldouble f = (ldouble)std::rand() / (ldouble)RAND_MAX;
+    return a * f;
+}
 
 /* Two-value random number generator -- no need for specialisation */
 template<typename T> static inline T rand(T a, T b)