# Intrinsics for Logarithmic Operations

### Note

Many routines in the Short Vector Math Library (SVML) are more optimized for Intel® microprocessors than for non-Intel microprocessors.

Parent topic: Intrinsics for Short Vector Math Library Operations (SVML)

- _mm_log2_pd, _mm256_log2_pd
  Calculates base-2 logarithm. Vector variant of log2(x) function for a 128-bit/256-bit vector argument of float64 values.
- _mm_log2_ps, _mm256_log2_ps
  Calculates base-2 logarithm. Vector variant of log2(x) function for a 128-bit/256-bit vector argument of float32 values.
- _mm_log10_pd, _mm256_log10_pd
  Calculates base-10 logarithm. Vector variant of log10(x) function for a 128-bit/256-bit vector argument of float64 values.
- _mm_log10_ps, _mm256_log10_ps
  Calculates base-10 logarithm. Vector variant of log10(x) function for a 128-bit/256-bit vector argument of float32 values.
- _mm_log_pd, _mm256_log_pd
  Calculates natural logarithm. Vector variant of log(x) function for a 128-bit/256-bit vector argument of float64 values.
- _mm_log_ps, _mm256_log_ps
  Calculates natural logarithm. Vector variant of log(x) function for a 128-bit/256-bit vector argument of float32 values.
- _mm_logb_pd, _mm256_logb_pd
  Calculates signed exponent. Vector variant of logb(x) function for a 128-bit/256-bit vector argument of float64 values.
- _mm_logb_ps, _mm256_logb_ps
  Calculates signed exponent. Vector variant of logb(x) function for a 128-bit/256-bit vector argument of float32 values.
- _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.
- _mm_log1p_ps, _mm256_log1p_ps
  Calculates natural logarithm. Vector variant of log1p(x) function for a 128-bit/256-bit vector arguments with float32 values.
- _mm_clog_ps, _mm256_clog_ps
  Calculates complex natural logarithm. Vector variant of clog(x) function for a 128-bit/256-bit vector argument of _Complex float32 values.