void AngleVectorsFLU (const vec3_t angles, vec3_t forward, vec3_t left, vec3_t up);
/// divVerent: improper matrix version of AngleVectors
void AngleVectorsDuke3DFLU (const vec3_t angles, vec3_t forward, vec3_t left, vec3_t up, double maxShearAngle);
void AngleVectorsFLU (const vec3_t angles, vec3_t forward, vec3_t left, vec3_t up);
/// divVerent: improper matrix version of AngleVectors
void AngleVectorsDuke3DFLU (const vec3_t angles, vec3_t forward, vec3_t left, vec3_t up, double maxShearAngle);