dyne/frei0r
src/filter/kaleid0sc0pe/CMakeLists.txt
:47
check_c_source_compiles("
#include <emmintrin.h>
#include <immintrin.h>
int main(){ __m128 a = _mm_set1_ps(0.0f); __m128 b = _mm_set1_ps(0.0f); a = _mm_atan2_ps(a,b); return 0;}" HAS_ATAN2_INTRINSIC)