check_c_source_compiles("
                                    #include <emmintrin.h>
                                    #include <immintrin.h>
                                    int main(){ __m128 a = _mm_set1_ps(0.0f); a = _mm_cos_ps(a); return 0;}" HAS_COS_INTRINSIC)

add_definitions(-DHAS_COS_INTRINSIC)