From b3641516fb858dc003eb47095f8ae25fd352b4e0 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Wed, 16 Nov 2011 17:26:22 -0500
Subject: Add some branch instrumentation from gcov profile.

---
 libdimension/sphere.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'libdimension/sphere.c')

diff --git a/libdimension/sphere.c b/libdimension/sphere.c
index a3f0c90..96bc617 100644
--- a/libdimension/sphere.c
+++ b/libdimension/sphere.c
@@ -23,7 +23,7 @@
  * Spheres.
  */
 
-#include "dimension.h"
+#include "dimension-internal.h"
 
 /** Sphere intersection callback. */
 static bool
@@ -41,7 +41,8 @@ dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line l,
     return false;
   } else {
     double t = x[0];
-    if (n == 2)
+    /* Optimize for the case where we're outside the sphere */
+    if (dmnsn_likely(n == 2))
       t = dmnsn_min(t, x[1]);
 
     intersection->t      = t;
-- 
cgit v1.2.3