Intel® C++ Compiler 16.0 User and Reference Guide
Calculates inverse cosine value. Vector variant of acos(x) function for a 128-bit/256-bit vector argument of float32 values.
extern __m128 _mm_acos_ps(__m128 v1); |
extern __m256 _mm256_acos_ps(__m256 v1); |
v1 |
vector with float32 values |
Calculates the arc cosine of vector v1 elements.
128-bit/256-bit vector with the result of the operation.
Many routines in the svml library are more highly optimized for Intel® microprocessors than for non-Intel microprocessors.