MacOSX doesn't define HOST_NAME_MAX in unistd.h, which made freeglut fail to

[freeglut] / progs / demos / spaceball / vmath.c

diff --git a/progs/demos/spaceball/vmath.c b/progs/demos/spaceball/vmath.c
index f4eb50f..7ef3c25 100644 (file)
--- a/progs/demos/spaceball/vmath.c
+++ b/progs/demos/spaceball/vmath.c
@@ -3,14 +3,14 @@
 \r
 quat_t quat_rotate(quat_t q, float angle, float x, float y, float z)\r
 {\r
-       quat_t rq;\r
-       float half_angle = angle * 0.5;\r
-       float sin_half = sin(half_angle);\r
+  quat_t rq;\r
+  float half_angle = angle * 0.5f;\r
+  float sin_half = (float)sin(half_angle);\r
 \r
-       rq.w = cos(half_angle);\r
-       rq.x = x * sin_half;\r
-       rq.y = y * sin_half;\r
-       rq.z = z * sin_half;\r
+  rq.w = (float)cos(half_angle);\r
+  rq.x = x * sin_half;\r
+  rq.y = y * sin_half;\r
+  rq.z = z * sin_half;\r
 \r
-       return quat_mul(q, rq);\r
+  return quat_mul(q, rq);\r
 }\r