From 728d06945f7cdee8e459d71f5dabbeeb9f1e1207 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Wed, 16 Dec 2009 19:08:41 -0500
Subject: Fix argument order to copysign().

---
 libdimension/objects.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'libdimension/objects.c')

diff --git a/libdimension/objects.c b/libdimension/objects.c
index 0a88561..3470506 100644
--- a/libdimension/objects.c
+++ b/libdimension/objects.c
@@ -132,7 +132,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(-copysign(line.n.x, 1.0), 0.0, 0.0);
+      normal = dmnsn_new_vector(-copysign(1.0, line.n.x), 0.0, 0.0);
     }
 
     /* x = 1.0 */
@@ -142,7 +142,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(-copysign(line.n.x, 1.0), 0.0, 0.0);
+      normal = dmnsn_new_vector(-copysign(1.0, line.n.x), 0.0, 0.0);
     }
   }
 
@@ -154,7 +154,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(0.0, -copysign(line.n.y, 1.0), 0.0);
+      normal = dmnsn_new_vector(0.0, -copysign(1.0, line.n.y), 0.0);
     }
 
     /* y = 1.0 */
@@ -164,7 +164,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(0.0, -copysign(line.n.y, 1.0), 0.0);
+      normal = dmnsn_new_vector(0.0, -copysign(1.0, line.n.y), 0.0);
     }
   }
 
@@ -176,7 +176,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(0.0, 0.0, -copysign(line.n.z, 1.0));
+      normal = dmnsn_new_vector(0.0, 0.0, -copysign(1.0, line.n.z));
     }
 
     /* z = 1.0 */
@@ -186,7 +186,7 @@ dmnsn_cube_intersection_fn(const dmnsn_object *cube, dmnsn_line line)
         && t_temp >= 0.0 && (t < 0.0 || t_temp < t))
     {
       t = t_temp;
-      normal = dmnsn_new_vector(0.0, 0.0, -copysign(line.n.z, 1.0));
+      normal = dmnsn_new_vector(0.0, 0.0, -copysign(1.0, line.n.z));
     }
   }
 
-- 
cgit v1.2.3