¡@
c++ Programming Glossary: xfHow do I install and build against OpenSSL 1.0.0 on Ubuntu? http://stackoverflow.com/questions/3153114/how-do-i-install-and-build-against-openssl-1-0-0-on-ubuntu this question Get the 1.0.0a source from here . # tar xf openssl 1.0.0a.tar.gz # cd openssl 1.0.0a # . config # sudo..
Optimizations for pow() with const non-integer exponent? http://stackoverflow.com/questions/6475373/optimizations-for-pow-with-const-non-integer-exponent lower initial error but too low causes overflow. __m128 xf fastpow 8 10 int 1.38316186 1e9 int 1e9 x0 std printf 1.38 x^0.8.. int 1.38316186 1e9 int 1e9 x0 std printf 1.38 x^0.8 vg n xf Imprecise 4 cycle sqrt is still far better than fastpow good.. sqrt is still far better than fastpow good enough. __m128 xfm4 _mm_rsqrt_ps xf __m128 xf4 _mm_mul_ps xf xfm4 Precisely calculate..
|