From ludwig: This one fixes a rendering error

git-svn-id: svn://svn.icculus.org/quake3/trunk@12 edf5b092-35ff-0310-97b2-ce42778d08ea

2 files changed, 14 insertions, 10 deletions

diff --git a/code/game/q_math.c b/code/game/q_math.c
index bb0faf6..53412e1 100755
--- a/code/game/q_math.c
+++ b/code/game/q_math.c
@@ -551,15 +551,17 @@ void VectorRotate( vec3_t in, vec3_t matrix[3], vec3_t out )
 */
 float Q_rsqrt( float number )
 {
-	long i;
+	union {
+		float f;
+		int i;
+	} t;
 	float x2, y;
 	const float threehalfs = 1.5F;
 
 	x2 = number * 0.5F;
-	y  = number;
-	i  = * ( long * ) &y;						// evil floating point bit level hacking
-	i  = 0x5f3759df - ( i >> 1 );               // what the fuck?
-	y  = * ( float * ) &i;
+	t.f  = number;
+	t.i  = 0x5f3759df - ( t.i >> 1 );               // what the fuck?
+	y  = t.f;
 	y  = y * ( threehalfs - ( x2 * y * y ) );   // 1st iteration
 //	y  = y * ( threehalfs - ( x2 * y * y ) );   // 2nd iteration, this can be removed
 
diff --git a/code/qcommon/cm_trace.c b/code/qcommon/cm_trace.c
index 6eb9931..eb9b14f 100755
--- a/code/qcommon/cm_trace.c
+++ b/code/qcommon/cm_trace.c
@@ -131,15 +131,17 @@ SquareRootFloat
 ================
 */
 float SquareRootFloat(float number) {
-	long i;
+	union {
+		float f;
+		int i;
+	} t;
 	float x, y;
 	const float f = 1.5F;
 
 	x = number * 0.5F;
-	y  = number;
-	i  = * ( long * ) &y;
-	i  = 0x5f3759df - ( i >> 1 );
-	y  = * ( float * ) &i;
+	t.f  = number;
+	t.i  = 0x5f3759df - ( t.i >> 1 );
+	y  = t.f;
 	y  = y * ( f - ( x * y * y ) );
 	y  = y * ( f - ( x * y * y ) );
 	return number * y;