cmake HAVE_FMA examples

etternagame/etterna extern/fftw-3.3.8/CMakeLists.txt :180 

unset (HAVE_FMA CACHE)

etternagame/etterna extern/fftw-3.3.8/CMakeLists.txt :181 

check_c_compiler_flag (${FLAG} HAVE_FMA)

tesseract-ocr/tesseract CMakeLists.txt :188 

add_definitions("-DHAVE_FMA")

tesseract-ocr/tesseract CMakeLists.txt :203 

endif(HAVE_FMA)

tesseract-ocr/tesseract CMakeLists.txt :227 

check_cxx_compiler_flag("-mfma" HAVE_FMA)

tesseract-ocr/tesseract CMakeLists.txt :230 

add_definitions("-DHAVE_FMA")

tesseract-ocr/tesseract CMakeLists.txt :592 

message(STATUS "HAVE_FMA: ${HAVE_FMA}")

tesseract-ocr/tesseract CMakeLists.txt :763 

endif(HAVE_FMA)

asset-group/Sni5Gect-5GNR-sniffing-and-exploitation CMakeLists.txt :480 

endif (HAVE_FMA)

asset-group/Sni5Gect-5GNR-sniffing-and-exploitation cmake/modules/FindSSE.cmake :131 

check_c_source_runs("
            #include <immintrin.h>
            int main()
            {
              __m256 a, b, c, r;
              const float src[8] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f };
              float dst[8];
              a = _mm256_loadu_ps( src );
              b = _mm256_loadu_ps( src );
              c = _mm256_loadu_ps( src );
              r = _mm256_fmadd_ps( a, b, c );
              _mm256_storeu_ps( dst, r );
              int i = 0;
              for( i = 0; i < 8; i++ ){
                if( ( src[i] * src[i] + src[i] ) != dst[i] ){
                  return -1;
                }
              }
              return 0;
            }"
                    HAVE_FMA)

asset-group/Sni5Gect-5GNR-sniffing-and-exploitation cmake/modules/FindSSE.cmake :210 

mark_as_advanced(HAVE_SSE, HAVE_AVX, HAVE_AVX2, HAVE_FMA, HAVE_AVX512)