Add SurfaceFlags, and more formatting :)

test/cglm.h

@@ -73,9 +73,7 @@ static float glm_vec3_norm(vec3 v)
 
 static void glm_vec3_normalize(vec3 v)
 {
-    float norm;
-
-    norm = glm_vec3_norm(v);
+    float norm = glm_vec3_norm(v);
 
     if (norm == 0.0f)
     {
@@ -107,12 +105,10 @@ static void glm_perspective(
     float farVal,
     mat4 dest)
 {
-    float f, fn;
-
     glm_mat4_zero(dest);
 
-    f = 1.0f / tanf(fovy * 0.5f);
-    fn = 1.0f / (nearVal - farVal);
+    float f = 1.0f / tanf(fovy * 0.5f);
+    float fn = 1.0f / (nearVal - farVal);
 
     dest[0][0] = f / aspect;
     dest[1][1] = f;