Developer Guide and Reference

Contents

_mm_log1p_pd
,
_mm256_log1p_pd

Calculates natural logarithm. Vector variant of log1p(x) function for a 128-bit/256-bit vector arguments with float64 values.

Syntax

extern __m128d _mm_log1p_pd(__m128d v1);
extern __m256d _mm256_log1p_pd(__m256d v1);
Arguments
v1
vector with float64 values
Description
Returns the natural logarithm of vector
v1
elements, defined by:
ln
(
v1
+ 1)
Returns
128-bit/256-bit vector with the result of the operation.
Many routines in the
svml
library are more optimized for Intel® microprocessors than for non-Intel microprocessors.