mark various v* functions in Smyrna as static

These are not used outside of their containing file.

diff --git a/cmd/smyrna/trackball.c b/cmd/smyrna/trackball.c
index bfba6e5e6cb71de0015f018c225ad89bec9c9a46..573ac477a9603c1433d5d44d9345cf3f48827cd7 100644 (file)
--- a/cmd/smyrna/trackball.c
+++ b/cmd/smyrna/trackball.c
@@ -67,7 +67,7 @@
 static float tb_project_to_sphere(float, float, float);
 static void normalize_quat(float[4]);
 
-void vzero(float *v)
+static void vzero(float *v)
 {
     v[0] = 0.0;
     v[1] = 0.0;
@@ -81,21 +81,21 @@ void vset(float *v, float x, float y, float z)
     v[2] = z;
 }
 
-void vsub(const float *src1, const float *src2, float *dst)
+static void vsub(const float *src1, const float *src2, float *dst)
 {
     dst[0] = src1[0] - src2[0];
     dst[1] = src1[1] - src2[1];
     dst[2] = src1[2] - src2[2];
 }
 
-void vcopy(const float *v1, float *v2)
+static void vcopy(const float *v1, float *v2)
 {
     int i;
     for (i = 0; i < 3; i++)
        v2[i] = v1[i];
 }
 
-void vcross(const float *v1, const float *v2, float *cross)
+static void vcross(const float *v1, const float *v2, float *cross)
 {
     float temp[3];
 
@@ -105,29 +105,29 @@ void vcross(const float *v1, const float *v2, float *cross)
     vcopy(temp, cross);
 }
 
-float vlength(const float *v)
+static float vlength(const float *v)
 {
     return sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
 }
 
-void vscale(float *v, float div)
+static void vscale(float *v, float div)
 {
     v[0] *= div;
     v[1] *= div;
     v[2] *= div;
 }
 
-void vnormal(float *v)
+static void vnormal(float *v)
 {
     vscale(v, 1.0 / vlength(v));
 }
 
-float vdot(const float *v1, const float *v2)
+static float vdot(const float *v1, const float *v2)
 {
     return v1[0] * v2[0] + v1[1] * v2[1] + v1[2] * v2[2];
 }
 
-void vadd(const float *src1, const float *src2, float *dst)
+static void vadd(const float *src1, const float *src2, float *dst)
 {
     dst[0] = src1[0] + src2[0];
     dst[1] = src1[1] + src2[1];