fix: computed clamp discarded

Author: mrdav30

src/FixedMathSharp/Numerics/Vector3d.cs

@@ -596,7 +596,7 @@ public static Vector3d Slerp(Vector3d start, Vector3d end, Fixed64 percent)
         // Clamp it to be in the range of Acos()
         // This may be unnecessary, but floating point
         // precision can be a fickle mistress.
-        FixedMath.Clamp(dot, -Fixed64.One, Fixed64.One);
+        dot = FixedMath.Clamp(dot, -Fixed64.One, Fixed64.One);
         // Acos(dot) returns the angle between start and end,
         // And multiplying that by percent returns the angle between
         // start and the final result.